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Radiant|Lab Grown|IGI

8.66ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG610318742

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG610318742

Diamond specifications and retailer prices

From $943 USD
As of November 2, 2026
Save $4,487 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,430 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.66ct lab-grown radiant diamond

This 8.66ct lab-grown radiant 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 LG610318742 or 610318742. Listed at 13 retailers as of November 2, 2026, with prices from $943 to $5,430, a $4,487 spread on the same certified stone. Brilliant Earth lists it at $5,430. 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

8.66
Carat
H
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610318742
Dimensions15.01 × 9.99 × 6.73 mm
L/W Ratio1.50
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
15.01 mm9.99 mm8.66 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610318742
Side View
Table 65.0%Crown 42.2°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

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 2
Current: $5,430 USD|Low: $943 USD|High: $5,600 USD|Avg: $2,648 USD|-3.0%
Brilliant Earth
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
November 2, 2026
Retailer 2$943 USD
Retailer 4$1,253 USD
Retailer 9$1,270 USD
Retailer 12$1,308 USD
Retailer 13$1,663 USD
Retailer 3$1,751 USD
Retailer 8$1,801 USD
Retailer 11$2,357 USD
Retailer 14$3,018 USD
Retailer 7$3,075 USD
Retailer 6$3,297 USD
Retailer 10$3,730 USD
Retailer 5$3,906 USD
Brilliant Earth$5,430 USD

28 data points across 14 retailers

13 retailers$943 USD to $5,430 USD

A
Cheapest Retailer
-
$943 USD
Retailer 2
-
$1,026 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$1,079 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$1,253 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,270 USD
View
A
Retailer 6
-
$1,663 USD
View
B+
Retailer 7
-
$1,751 USD
View
A
Retailer 8
-
$1,801 USD
€1,715 EUR
View
B+
Retailer 9
-
$2,357 USD
View
B+
Retailer 10
-
$3,018 USD
£2,376 GBP
View
B+
Retailer 11
-
$3,075 USD
View
B+
Retailer 12
-
$3,730 USD
£2,937 GBP
View
Most Expensive
B
Brilliant Earth
8695834A · Nov 2
$5,430 USD
View
12 more retailers have this diamond
Prices start from $943 USDSave up to $4,487 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
8.66ct Radiant
$943 USD