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Heart|Lab Grown|IGI

1.66ct E VS2 Heart Lab Grown Diamond

ID • E/VS2 • IGI LG776685127

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776685127

Diamond specifications and retailer prices

From $309 AUD
$217 USD
As of October 30, 2026
Save $1,291 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,600 AUD at With Clarity · As of October 31, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776685127 or 776685127. Listed at 12 retailers as of October 30, 2026, with prices from $309 to $1,600, a $1,291 spread on the same certified stone. With Clarity lists it at $1,600. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776685127
Dimensions7.45 × 8.17 × 4.74 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm8.17 mm1.66 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776685127
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.0%

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: Oct 30
Current: $640 AUD|Low: $299 AUD|High: $1,673 AUD|Avg: $1,076 AUD|-2.3%
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
With Clarity
October 31, 2026
Retailer 12$309 AUD
Retailer 9$359 AUD
Retailer 7$450 AUD
Retailer 1$640 AUD
Retailer 3$739 AUD
Retailer 11$860 AUD
Retailer 5$1,069 AUD
Retailer 2$1,230 AUD
Retailer 8$1,234 AUD
Retailer 4$1,345 AUD
Retailer 10$1,389 AUD
Retailer 6$1,542 AUD
Retailer 13$1,548 AUD
With Clarity$1,589 AUD

25 data points across 14 retailers

12 retailers$309 AUD to $1,600 AUD

A
Cheapest Retailer
-
$309 AUD
$217 USD
A
Retailer 2
-
$359 AUD
$252 USD
View
Retailer 3
-
$450 AUD
£249 GBP
View
Price last confirmed 15 days ago
A
Retailer 4
-
$640 AUD
€428 EUR
View
B+
Retailer 5
-
$860 AUD
$604 USD
View
B+
Retailer 6
-
$1,011 AUD
$710 USD
View
B+
Retailer 7
-
$1,230 AUD
$864 USD
View
B+
Retailer 8
-
$1,234 AUD
$867 USD
View
B+
Retailer 9
-
$1,389 AUD
$976 USD
View
B
Retailer 10
-
$1,542 AUD
£853 GBP
View
Retailer 11
-
$1,548 AUD
SGD 1,469 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
With Clarity
776685127 · Oct 31
$1,600 AUD
$1,124 USD
View
11 more retailers have this diamond
Prices start from $309 AUDSave up to $1,291 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
$309 AUD