Round|Lab Grown|IGI

8.51ct H VVS2 Round Lab Grown Diamond

EX • H/VVS2 • IGI LG841639751

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841639751

Diamond specifications and retailer prices

From $1,562 USD
HK$12,200 HKD
As of October 30, 2026
Save $4,232 USD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,794 USD at Adiamor · As of October 30, 2026
View at Adiamor

About this 8.51ct lab-grown round diamond

This 8.51ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841639751 or 841639751. Listed at 8 retailers as of October 30, 2026, with prices from $1,562 to $5,794, a $4,232 spread on the same certified stone. Adiamor lists it at $5,794. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841639751
Dimensions13.09 × 13.17 × 7.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.09 mm13.17 mm8.51 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841639751
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.7%

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: Oct 30
Current: $5,794 USD|Low: $1,562 USD|High: $5,794 USD|Avg: $3,178 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$1,562 USD
Retailer 4$1,810 USD
Retailer 6$2,095 USD
Retailer 3$2,146 USD
Retailer 2$4,256 USD
Retailer 5$4,610 USD
Adiamor$5,794 USD

4 data points across 7 retailers

8 retailers$1,562 USD to $5,794 USD

A
Cheapest Retailer
-
$1,562 USD
HK$12,200 HKD
A
Retailer 2
-
$1,810 USD
View
B+
Retailer 3
-
$2,095 USD
View
A
Retailer 4
-
$2,146 USD
€2,044 EUR
View
B+
Retailer 5
-
$4,256 USD
£3,351 GBP
View
B+
Retailer 6
-
$4,610 USD
View
B+
Retailer 7
-
$5,715 USD
View
Most Expensive
B+
Adiamor
D-82710549 · Oct 30
$5,794 USD
View
7 more retailers have this diamond
Prices start from $1,562 USDSave up to $4,232 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 Round
$1,562 USD