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Cushion|Lab Grown|IGI

8.51ct H VS2 Cushion Lab Grown Diamond

EX • H/VS2 • IGI LG542226826

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG542226826

Diamond specifications and retailer prices

From $1,319 USD
As of November 1, 2026
Save $9,131 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,450 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 8.51ct lab-grown cushion diamond

This 8.51ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542226826 or 542226826. Listed at 11 retailers as of October 31, 2026, with prices from $1,319 to $10,450, a $9,131 spread on the same certified stone. Do Amore Diamonds lists it at $10,450. 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

8.51
Carat
H
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542226826
Dimensions11.67 × 11.47 × 7.89 mm
L/W Ratio1.02
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
11.67 mm11.47 mm8.51 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542226826
Side View
Table 64.5%Crown 36.9°Girdle: THK-VTKPavilion 39.5°Culet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $10,450 USD|Low: $942 USD|High: $10,460 USD|Avg: $3,944 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 12$1,319 USD
Retailer 11$1,366 USD
Retailer 2$1,540 USD
Retailer 13$1,910 USD
Retailer 6$1,912 USD
Retailer 10$2,168 USD
Retailer 4$3,011 USD
Retailer 5$3,023 USD
Retailer 7$3,155 USD
Retailer 14$3,642 USD
Retailer 9$4,790 USD
Retailer 8$4,869 USD
Retailer 3$5,348 USD
Retailer 15$8,270 USD
Do Amore Diamonds$10,450 USD

19 data points across 15 retailers

11 retailers$1,319 USD to $10,450 USD

A
Cheapest Retailer
-
$1,319 USD
Final sale: no returns
Retailer 2
-
$1,366 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,540 USD
View
A
Retailer 4
-
$1,910 USD
View
B+
Retailer 5
-
$2,168 USD
View
A
Retailer 6
-
$3,011 USD
View
B+
Retailer 7
-
$3,642 USD
£2,868 GBP
View
B+
Retailer 8
-
$4,790 USD
View
B+
Retailer 9
-
$4,869 USD
£3,834 GBP
View
Retailer 10
-
$5,348 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Do Amore Diamonds
27-7B166468A · Oct 31
$10,450 USD
View
10 more retailers have this diamond
Prices start from $1,319 USDSave up to $9,131 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
8.51ct Cushion
$1,319 USD