1.75 Carat Lab Diamond Ring Price, Size & Buying Guide (2026)
A 1.75 carat lab diamond ring offers an excellent balance between elegance, brilliance, and affordability. Larger than a traditional engagement ring, a 1.75 carat diamond provides noticeable sparkle while remaining comfortable for everyday wear.
In 2026, the average price of a 1.75 carat lab grown diamond ring ranges from $1,800 to over $8,000 depending on the cut, color, clarity, certification, and ring setting.
In this guide, you’ll learn:
Tips for choosing the best value diamond
How much a 1.75 carat lab diamond ring costs
What size it looks like on hand
Best diamond shapes and settings
Lab grown vs natural diamond prices
What Is a 1.75 Carat Diamond?
Carat is the standard unit used to measure diamond weight. A 1.75 carat diamond weighs approximately 0.35 grams.
Carat refers to weight rather than visible size. The actual appearance of a diamond depends on factors such as:
- Shape
- Cut quality
- Depth percentage
- Surface dimensions
Well-cut diamonds often appear larger and brighter than poorly cut diamonds with heavier carat weights.
How Much Does a 1.75 Carat Lab Diamond Ring Cost?
The price of a 1.75 carat lab grown diamond ring varies based on several important factors:
- Cut quality
- Color grade
- Clarity grade
- Diamond shape
- Certification
- Ring setting
Average price ranges by shape:
| Shape | Average Price |
|---|---|
| Round Cut | $2,500 – $8,000 |
| Oval Cut | $2,000 – $6,500 |
| Cushion Cut | $1,800 – $5,500 |
| Emerald Cut | $2,000 – $5,000 |
| Radiant Cut | $2,200 – $6,000 |
Round diamonds are usually the most expensive because they maximize brilliance and require more rough material during cutting.
You can also use our Diamond Price Calculator to compare prices based on cut, clarity, color, and carat weight.
1.75 Carat Round Solitaire Engagement Ring
A 1.75-carat round lab grown diamond is set in a platinum band wedding ring. This arrangement may appear basic, but it houses a tremendous stone. A round form will shine brightly and will undoubtedly highlight the wearer’s appearance. A stunning diamond engagement ring with a modern design.
This is without a doubt one of the most attractive works you could offer to someone significant. On a platinum diamond band, this solitary diamond is set with minimum prongs. This is a timeless jewel that seems to never go out of style.
1.75 Carat Round Diamond Pave Setting Engagement Ring
A 1.75ct round lab grown diamond is set in a platinum band. This arrangement combines a raised center gem with a pave set lab diamond ring, tiny prongs, and a slender supporting bar for optimal stability and exposure to light and is one of the most famous diamond band designs. Consumers choose a round diamond because of its brightness and blaze.
The shape is particularly pleasing to the eye because it quickly masks any imperfections. In and of itself, this conflict-free synthetic stone is a true masterpiece. This design is great for highlighting your rock and allowing it to flourish.
1.75 Carat Round Three Stone Engagement Ring
A 1.75-carat round lab grown diamond is featured in a platinum round 3 stone wedding ring with a unique triple rock diamond ring setup that includes conflict-free lab grown baguette diamonds. The three-stone ring symbolizes harmony, respect, and constancy, as well as history, present, and future (also known as the Trinity or trilogy ring).
A three-stone set has a lot of symbolic value. This arrangement is a unique experience, not to mention the shape, which stands out and draws attention due to the two different types of stones combined in a setting.
1.75 Carat Round Diamond Platinum Engagement Ring
A 1.75ct round lab grown diamond sits atop a platinum engagement ring. The most prominent shape that provides remarkable brilliance is the round diamond, which is also the most popular shape that people are drawn to. In a diamond, this is one of the most attractive shapes.
A round diamond is prong-set on a platinum diamond band in this combination. This traditional round diamond setting is appropriate for almost everyone. This shaped diamond is one of the best cuts for luster and flash. Round stones, with their many facets, are excellent at concealing defects.
1.75 Carat Oval Diamond Band Engagement Ring
A 1.75ct oval lab-grown diamond is set in a platinum engagement ring. The oval-shaped diamond centerpiece and side stone ring are set with simple prongs in this exquisite and timeless arrangement. This style is perfect for those looking for a simple diamond ring with a lot of precious diamonds.
An oval form helps produce brightness after the round shape since it completely removes any flaws that may emerge during the cutting or manufacturing process due to the facets. In and of itself, this conflict-free experiment stone is a true masterpiece.
1.75 Carat Emerald Cut Solitaire 14k Yellow Gold Engagement Ring
A 1.75ct emerald shape lab-grown diamond is set in a 14k yellow gold solitaire diamond ring. It’s a one-of-a-kind emerald-cut diamond inspired by a 14th-century diamond rock. Emerald is a one-of-a-kind cut that is commonly associated with a vintage aesthetic, and its influence cannot be denied.
Among the most alluring aspects of this fascinating design is its slender, gorgeous body, which gives the illusion of taller, slimmer hands to wearers. Another benefit of this diamond cut is that it seems larger than other jewels of similar weighting.
1.75 Carat Emerald Solitaire 18k Yellow Gold Engagement Ring
A 1.75-carat emerald-shaped lab grown diamond is set in an 18k yellow gold ring. This arrangement is exquisite and classic, with small prongs and elevated dome arches. Since this solitaire stone is mounted vertically on an 18k yellow gold band, it differs from the prior placement.
The emerald shape is something else, and when put in a solitaire setting, it always shines. Not only does this form offer the appearance of long, thin fingers. Another advantage of this diamond cut is that it appears bigger than similar-sized diamonds.
Also Check Out: 1.5 CARAT OVAL LAB GROWN DIAMOND RINGS: ADORABLE MATCH TO BUY
1.75 Carat Radiant Solitaire 14k White and Yellow Gold Engagement Ring
A 1.75ct radiant shape lab-grown diamond is set in a two-tone 14k white and yellow gold band. With small prongs for maximum illumination, this setup is attractive and conventional. This design combines the best characteristics of both the emerald and round forms, allowing brilliant jewels to shine light and have a fiery effect.
The structure of the diamond, like the emerald cut, represents protection and firmness, two attributes that are appropriate for a couple starting their lives together. To begin your wedding life, this is a really lovely ring.
1.75 Carat Cushion Cut Diamond 14k Rose Gold Engagement Ring
A 1.75-carat cushion-shaped lab-created stone is set in a 14k rose gold diamond band. A firm band has a cushion-cut center stone, which is a lightened version of the square cut. This stone is for the individual who recognizes how their past influences their future and is not afraid to embrace it!
Because of its shape and changes, this specific version produces a lot of dazzles, so you can be sure you’ll get the finest brilliance. The centerpiece is a 1 carat cushion-shaped stone, which is surrounded by a rose gold diamond band with four small lobes.
Best Settings for a 1.75 Carat Diamond Ring
Popular setting styles include:
- Solitaire
- Hidden Halo
- Pavé Band
- Three Stone
- Cathedral Setting
Solitaire settings highlight the center diamond, while halo and pavé styles increase overall sparkle and visual size.
Lab Grown vs Natural 1.75 Carat Diamond Price
Lab grown diamonds cost significantly less than natural diamonds of similar quality.
| Diamond Type | Average Price |
| Natural 1.75 Carat Diamond | $8,000 – $30,000+ |
| Lab Grown 1.75 Carat Diamond | $1,800 – $8,000 |
Both are real diamonds with identical physical and optical properties.
The main difference is origin:
- Natural diamonds form underground over billions of years
- Lab diamonds are created in controlled laboratory environments
IGI vs GIA Certification
Certification is important when purchasing a lab grown diamond ring.
The most common grading laboratories are:
IGI certification is widely used for lab grown diamonds and includes detailed grading information for:
- Cut
- Color
- Clarity
- Carat weight
Always purchase certified diamonds for better transparency and confidence.
Tips for Buying a 1.75 Carat Lab Diamond Ring
Before purchasing, consider these expert tips:
- Prioritize cut quality first
- Choose VS1 or VS2 clarity
- Select G or H color grades
- Compare multiple shapes
- Use certified diamonds only
- Consider oval or pear cuts for a larger appearance
- Compare prices using a Diamond Price Calculator
A well-cut 1.75 carat diamond can appear brighter and larger than a heavier diamond with poor proportions.
Frequently Asked Questions
Is a 1.75 carat diamond good for an engagement ring?
Yes. A 1.75 carat diamond offers a luxurious appearance while remaining practical for daily wear.
How big does a 1.75 carat diamond look?
A round 1.75 carat diamond is typically around 7.7–7.9 mm in diameter.
Which diamond shape looks the biggest?
Oval, pear, and marquise cuts often appear larger because of their elongated shapes.
Are lab grown diamonds real diamonds?
Yes. Lab grown diamonds are chemically and physically identical to natural diamonds.
What is the best clarity for a 1.75 carat diamond?
VS1 and VS2 clarity grades usually provide the best balance between appearance and value.
Related Articles
- Diamond Price Calculator
- IGI vs GIA Certification Guide
- 4 Carat Lab Diamond Ring Guide
- 2.5 Carat Lab Diamond Ring Guide
Final Thoughts
A 1.75 carat lab diamond ring is an excellent choice for buyers looking for a balance of brilliance, size, and affordability. Whether you prefer a timeless round cut, elegant oval shape, or modern princess cut, lab grown diamonds provide exceptional value without sacrificing beauty or durability.
