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Cushion|Lab Grown|IGI

3.51ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG526268209

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526268209

Diamond specifications and retailer prices

From $2,330 USD
As of October 31, 2026
Save $9,336 USD (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,651 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526268209 or 526268209. Listed at 6 retailers as of October 31, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268209
Dimensions8.77 × 8.33 × 5.38 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.77 mm8.33 mm3.51 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268209
Side View
Table 64.5%Crown 34.1°Girdle: STK-VTKPavilion 33.7°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,651 USD|Low: $2,330 USD|High: $19,736 USD|Avg: $11,469 USD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$2,330 USD
Retailer 8$7,481 USD
Retailer 6$10,548 USD
Retailer 4$10,925 USD
Retailer 7$10,977 USD
Retailer 5$11,666 USD
Retailer 9$14,075 USD
Flawless Fine Jewelry$15,651 USD
Retailer 2$19,501 USD

12 data points across 9 retailers

6 retailers$2,330 USD to $11,666 USD

B+
Cheapest Retailer
-
$2,330 USD
B
Retailer 2
-
$10,548 USD
View
Final sale: no returns
Retailer 3
-
$10,925 USD
View
Price last confirmed 16 days ago
B
Retailer 4
-
$11,666 USD
View
Most Expensive
Flawless Fine Jewelry
8C41B3EEA · Oct 31
$15,651 USD
£12,324 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $2,330 USDSave up to $9,336 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
3.51ct Cushion
$2,330 USD