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Cushion|Lab Grown|IGI

2.57ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG515204755

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG515204755

Diamond specifications and retailer prices

From $1,690 USD
As of October 30, 2026
Save $11,111 USD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,801 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG515204755 or 515204755. Listed at 9 retailers as of October 30, 2026, with prices from $1,690 to $12,801, a $11,111 spread on the same certified stone. Reve Diamonds lists it at $12,801. 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

2.57
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515204755
Dimensions8.49 × 7.70 × 5.19 mm
L/W Ratio1.10
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
8.49 mm7.70 mm2.57 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515204755
Side View
Table 64.0%Crown 33.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,690 USD|Low: $1,690 USD|High: $17,515 USD|Avg: $7,471 USD|-15.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 1$1,690 USD
Retailer 8$4,461 USD
Retailer 6$4,725 USD
Retailer 4$4,894 USD
Retailer 9$4,940 USD
Retailer 10$5,442 USD
Retailer 7$6,873 USD
Retailer 5$7,575 USD
Retailer 3$10,147 USD
Reve Diamonds$12,801 USD
Retailer 2$17,515 USD

15 data points across 11 retailers

9 retailers$1,690 USD to $12,801 USD

A
Cheapest Retailer
-
$1,690 USD
B
Retailer 2
-
$4,461 USD
View
B
Retailer 3
-
$4,725 USD
View
Final sale: no returns
Retailer 4
-
$4,894 USD
View
Price last confirmed 14 days ago
B
Retailer 5
-
$4,940 USD
View
B
Retailer 6
-
$6,873 USD
£5,412 GBP
View
B
Retailer 7
-
$7,575 USD
View
B
Retailer 8
-
$10,147 USD
£7,990 GBP
View
Most Expensive
B
Reve Diamonds
64D08D1AC · Oct 30
$12,801 USD
View
8 more retailers have this diamond
Prices start from $1,690 USDSave up to $11,111 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.

A
2.57ct Cushion
$1,690 USD