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Heart|Lab Grown|IGI

6.51ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG805689119

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805689119

Diamond specifications and retailer prices

From $1,536 USD
HK$12,000 HKD
As of November 1, 2026
Save $3,719 USD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,255 USD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 6.51ct lab-grown heart diamond

This 6.51ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805689119 or 805689119. Listed at 9 retailers as of October 31, 2026, with prices from $1,536 to $5,255, a $3,719 spread on the same certified stone. Novita Diamonds lists it at $5,255. 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

6.51
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805689119
Dimensions11.06 × 12.89 × 7.85 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.06 mm12.89 mm6.51 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805689119
Side View
Table 58.0%Crown 37.8°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 60.9%

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: $5,255 USD|Low: $1,536 USD|High: $5,334 USD|Avg: $3,207 USD|-1.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$1,536 USD
Retailer 6$1,719 USD
Retailer 2$1,877 USD
Retailer 7$2,077 USD
Retailer 10$2,233 USD
Retailer 8$3,087 USD
Retailer 3$4,196 USD
Retailer 9$4,568 USD
Retailer 4$4,822 USD
Novita Diamonds$5,255 USD

42 data points across 10 retailers

9 retailers$1,536 USD to $5,255 USD

A
Cheapest Retailer
-
$1,536 USD
HK$12,000 HKD
A
Retailer 2
-
$1,719 USD
View
A
Retailer 3
-
$1,877 USD
£1,478 GBP
View
A
Retailer 4
-
$2,077 USD
View
B+
Retailer 5
-
$3,087 USD
View
B
Retailer 6
-
$4,196 USD
£3,304 GBP
View
B
Retailer 7
-
$4,568 USD
View
B
Retailer 8
-
$4,822 USD
View
Most Expensive
B
Novita Diamonds
cert_805689119 · Oct 31
$5,255 USD
A$8,085 AUD
View
8 more retailers have this diamond
Prices start from $1,536 USDSave up to $3,719 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
6.51ct Heart
$1,536 USD