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Heart|Lab Grown|IGI

8.51ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG791624377

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791624377

Diamond specifications and retailer prices

From $1,638 USD
HK$12,800 HKD
As of November 1, 2026
Save $5,742 USD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,380 USD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 8.51ct lab-grown heart diamond

This 8.51ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791624377 or 791624377. Listed at 11 retailers as of October 31, 2026, with a 350% 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

8.51
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791624377
Dimensions12.65 × 14.54 × 8.00 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.65 mm14.54 mm8.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791624377
Side View
Table 62.0%Crown 35.2°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 55.0%

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: Nov 1
Current: $7,380 USD|Low: $1,638 USD|High: $7,610 USD|Avg: $3,924 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$1,638 USD
Retailer 9$1,897 USD
Retailer 5$2,068 USD
Retailer 7$2,271 USD
Retailer 8$2,503 USD
Retailer 10$4,549 USD
Retailer 6$4,610 USD
Retailer 3$4,746 USD
Retailer 2$6,857 USD
Brilliant Earth$7,380 USD

37 data points across 10 retailers

11 retailers$1,638 USD to $7,380 USD

A
Cheapest Retailer
-
$1,638 USD
HK$12,800 HKD
A
Retailer 2
-
$1,897 USD
View
A
Retailer 3
-
$2,068 USD
£1,628 GBP
View
B+
Retailer 4
-
$2,271 USD
View
A
Retailer 5
-
$2,503 USD
View
B
Retailer 6
-
$4,549 USD
View
B+
Retailer 7
-
$4,610 USD
£3,630 GBP
View
B
Retailer 8
-
$4,746 USD
SGD 6,413 SGD
View
B
Retailer 9
-
$6,857 USD
View
B
Retailer 10
-
$7,380 USD
View
Most Expensive
Brilliant Earth
20471832A · Oct 10
$7,380 USD
View
Price last confirmed 22 days ago
10 more retailers have this diamond
Prices start from $1,638 USDSave up to $5,742 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 Heart
$1,638 USD