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Heart|Lab Grown|IGI

1.66ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG812631896

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812631896

Diamond specifications and retailer prices

From $254 USD
As of November 2, 2026
Save $1,111 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,365 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812631896 or 812631896. Listed at 11 retailers as of November 1, 2026, with prices from $254 to $1,365, a $1,111 spread on the same certified stone. Reve Diamonds lists it at $1,365. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812631896
Dimensions8.01 × 7.06 × 4.99 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.01 mm7.06 mm1.66 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812631896
Side View
Table 61.0%Crown 34.4°Girdle: STK-THKPavilion 41.5°CuletDepth 62.3%

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: $385 USD|Low: $243 USD|High: $1,365 USD|Avg: $643 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 2, 2026
Retailer 6$254 USD
Retailer 7$283 USD
Retailer 2$294 USD
Retailer 8$314 USD
Retailer 1$385 USD
Retailer 5$475 USD
Retailer 10$526 USD
Retailer 4$966 USD
Retailer 9$1,011 USD
Retailer 3$1,260 USD
Reve Diamonds$1,365 USD

27 data points across 11 retailers

11 retailers$254 USD to $1,365 USD

A
Cheapest Retailer
-
$254 USD
A
Retailer 2
-
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$294 USD
View
A
Retailer 4
-
$314 USD
View
A
Retailer 5
-
$385 USD
£303 GBP
View
A
Retailer 6
-
$475 USD
View
A
Retailer 7
-
$526 USD
View
B
Retailer 8
-
$966 USD
View
B
Retailer 9
-
$1,011 USD
View
B
Retailer 10
-
$1,260 USD
£992 GBP
View
Most Expensive
B
Reve Diamonds
A1F9D5346 · Nov 1
$1,365 USD
View
10 more retailers have this diamond
Prices start from $254 USDSave up to $1,111 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
1.66ct Heart
$254 USD