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Heart|Lab Grown|IGI

1.66ct F VVS1 Heart Lab Grown Diamond

EX • F/VVS1 • IGI LG762512021

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG762512021

Diamond specifications and retailer prices

From $320 SGD
$250 USD
As of November 2, 2026
Save $1,366 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,686 SGD at With Clarity · As of November 3, 2026
View at With Clarity

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG762512021 or 762512021. Listed at 11 retailers as of November 2, 2026, with prices from $320 to $1,686, a $1,366 spread on the same certified stone. With Clarity lists it at $1,686. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762512021
Dimensions7.25 × 8.05 × 4.76 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm8.05 mm1.66 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762512021
Side View
Table 59.0%Crown 34.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.1%

Caratlytics Score

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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: $928 SGD|Low: $307 SGD|High: $1,746 SGD|Avg: $1,123 SGD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 3, 2026
Retailer 9$320 SGD
Retailer 7$421 SGD
Retailer 6$654 SGD
Retailer 2$769 SGD
Retailer 12$818 SGD
Retailer 1$928 SGD
Retailer 8$1,218 SGD
Retailer 3$1,238 SGD
Retailer 4$1,358 SGD
Retailer 10$1,434 SGD
Retailer 5$1,588 SGD
Retailer 11$1,598 SGD
With Clarity$1,652 SGD

30 data points across 13 retailers

11 retailers$320 SGD to $1,686 SGD

A
Cheapest Retailer
-
$320 SGD
$250 USD
A
Retailer 2
-
$371 SGD
$290 USD
View
A
Retailer 3
-
$654 SGD
€487 EUR
View
B+
Retailer 4
-
$818 SGD
$640 USD
View
B+
Retailer 5
-
$928 SGD
A$1,116 AUD
View
B
Retailer 6
-
$1,218 SGD
$952 USD
View
B
Retailer 7
-
$1,274 SGD
$996 USD
View
B
Retailer 8
-
$1,434 SGD
$1,121 USD
View
B
Retailer 9
-
$1,588 SGD
£978 GBP
View
Retailer 10
-
$1,598 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
With Clarity
762512021 · Nov 3
$1,686 SGD
$1,318 USD
View
10 more retailers have this diamond
Prices start from $320 SGDSave up to $1,366 SGD

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
$320 SGD