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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 $357 AUD
$250 USD
As of November 2, 2026
Save $1,524 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,881 AUD 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 $357 to $1,881, a $1,524 spread on the same certified stone. With Clarity lists it at $1,881. 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: $1,772 AUD|Low: $342 AUD|High: $1,948 AUD|Avg: $1,255 AUD|-4.4%
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 2, 2026
Retailer 9$357 AUD
Retailer 7$470 AUD
Retailer 5$730 AUD
Retailer 2$858 AUD
Retailer 12$913 AUD
Retailer 6$1,030 AUD
Retailer 8$1,358 AUD
Retailer 3$1,381 AUD
Retailer 4$1,516 AUD
Retailer 10$1,600 AUD
Retailer 1$1,772 AUD
Retailer 11$1,783 AUD
With Clarity$1,844 AUD

29 data points across 13 retailers

11 retailers$357 AUD to $1,881 AUD

A
Cheapest Retailer
-
$357 AUD
$250 USD
A
Retailer 2
-
$414 AUD
$290 USD
View
A
Retailer 3
-
$730 AUD
€487 EUR
View
B+
Retailer 4
-
$913 AUD
$640 USD
View
B+
Retailer 5
-
$1,030 AUD
View
B
Retailer 6
-
$1,358 AUD
$952 USD
View
B
Retailer 7
-
$1,421 AUD
$996 USD
View
B
Retailer 8
-
$1,600 AUD
$1,121 USD
View
B
Retailer 9
-
$1,772 AUD
£978 GBP
View
Retailer 10
-
$1,783 AUD
SGD 1,689 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
With Clarity
762512021 · Nov 3
$1,881 AUD
$1,318 USD
View
10 more retailers have this diamond
Prices start from $357 AUDSave up to $1,524 AUD

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
$357 AUD