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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 $250 USD
As of November 2, 2026
Save $1,068 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,318 USD at With Clarity · As of November 1, 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 12 retailers as of November 1, 2026, with prices from $250 to $1,318, a $1,068 spread on the same certified stone. With Clarity lists it at $1,318. 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
Color
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

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: $511 USD|Low: $240 USD|High: $1,365 USD|Avg: $881 USD|-1.6%
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
October 31, 2026
Retailer 9$250 USD
Retailer 7$329 USD
Retailer 1$511 USD
Retailer 2$601 USD
Retailer 12$640 USD
Retailer 5$722 USD
Retailer 8$952 USD
Retailer 3$968 USD
Retailer 4$1,062 USD
Retailer 10$1,121 USD
Retailer 6$1,243 USD
Retailer 11$1,250 USD
With Clarity$1,292 USD

28 data points across 13 retailers

12 retailers$250 USD to $1,318 USD

A
Cheapest Retailer
-
$250 USD
A
Retailer 2
-
$290 USD
View
Retailer 3
-
$329 USD
£259 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$511 USD
€487 EUR
View
B+
Retailer 5
-
$640 USD
View
B+
Retailer 6
-
$722 USD
A$1,111 AUD
View
B+
Retailer 7
-
$952 USD
View
B+
Retailer 8
-
$996 USD
View
B
Retailer 9
-
$1,121 USD
View
B
Retailer 10
-
$1,243 USD
£979 GBP
View
Retailer 11
-
$1,250 USD
SGD 1,689 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
With Clarity
762512021 · Nov 1
$1,318 USD
View
11 more retailers have this diamond
Prices start from $250 USDSave up to $1,068 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
$250 USD