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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 $444 NZD
$250 USD
As of November 2, 2026
Save $1,898 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,342 NZD 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 $444 to $2,342, a $1,898 spread on the same certified stone. With Clarity lists it at $2,342. 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: $1,289 NZD|Low: $427 NZD|High: $2,426 NZD|Avg: $1,560 NZD|-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$444 NZD
Retailer 7$585 NZD
Retailer 6$909 NZD
Retailer 2$1,069 NZD
Retailer 12$1,137 NZD
Retailer 1$1,289 NZD
Retailer 8$1,692 NZD
Retailer 3$1,720 NZD
Retailer 4$1,888 NZD
Retailer 10$1,992 NZD
Retailer 5$2,208 NZD
Retailer 11$2,221 NZD
With Clarity$2,296 NZD

30 data points across 13 retailers

11 retailers$444 NZD to $2,342 NZD

A
Cheapest Retailer
-
$444 NZD
$250 USD
A
Retailer 2
-
$515 NZD
$290 USD
View
A
Retailer 3
-
$909 NZD
€487 EUR
View
B+
Retailer 4
-
$1,137 NZD
$640 USD
View
B+
Retailer 5
-
$1,289 NZD
A$1,116 AUD
View
B
Retailer 6
-
$1,692 NZD
$952 USD
View
B
Retailer 7
-
$1,770 NZD
$996 USD
View
B
Retailer 8
-
$1,992 NZD
$1,121 USD
View
B
Retailer 9
-
$2,208 NZD
£978 GBP
View
Retailer 10
-
$2,221 NZD
SGD 1,689 SGD
View
Price last confirmed 22 days ago
Most Expensive
B
With Clarity
762512021 · Nov 3
$2,342 NZD
$1,318 USD
View
10 more retailers have this diamond
Prices start from $444 NZDSave up to $1,898 NZD

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
$444 NZD