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Heart|Lab Grown|IGI

1.66ct G VS2 Heart Lab Grown Diamond

EX • G/VS2 • IGI LG536207228

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG536207228

Diamond specifications and retailer prices

From $360 USD
As of November 1, 2026
Save $1,435 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,795 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG536207228 or 536207228. Listed at 14 retailers as of October 31, 2026, with prices from $360 to $1,795, a $1,435 spread on the same certified stone. Taylor and Hart lists it at $1,795. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536207228
Dimensions7.13 × 8.42 × 4.89 mm
L/W Ratio1.18
Girdle conditionFaceted
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
7.13 mm8.42 mm1.66 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536207228
Side View
Table 60.0%Crown 36.6°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 58.1%

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: $711 USD|Low: $257 USD|High: $1,795 USD|Avg: $913 USD|+3.1%
Retailer 1
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
Retailer 15
Taylor and Hart
November 2, 2026
Retailer 11$321 USD
Retailer 3$360 USD
Retailer 2$373 USD
Retailer 12$398 USD
Retailer 5$593 USD
Retailer 9$595 USD
Retailer 15$646 USD
Retailer 1$711 USD
Retailer 7$824 USD
Retailer 6$886 USD
Retailer 10$1,168 USD
Retailer 14$1,280 USD
Retailer 4$1,442 USD
Retailer 13$1,530 USD
Retailer 8$1,596 USD
Taylor and Hart$1,795 USD

44 data points across 16 retailers

14 retailers$360 USD to $1,795 USD

Retailer 1
-
$321 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$360 USD
View
Final sale: no returns
Retailer 3
-
$373 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$398 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$593 USD
View
A
Retailer 6
-
$595 USD
View
B+
Retailer 7
-
$646 USD
View
B+
Retailer 8
-
$711 USD
£560 GBP
View
B
Retailer 9
-
$1,168 USD
View
Retailer 10
-
$1,280 USD
View
Price last confirmed 13 days ago
B
Retailer 11
-
$1,442 USD
SGD 1,949 SGD
View
B
Retailer 12
-
$1,530 USD
View
B
Retailer 13
-
$1,596 USD
£1,257 GBP
View
Most Expensive
B
Taylor and Hart
91OULTX · Oct 31
$1,795 USD
View
13 more retailers have this diamond
Prices start from $360 USDSave up to $1,435 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
$360 USD