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Heart|Lab Grown|IGI

1.66ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG754558633

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754558633

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 LG754558633 or 754558633. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754558633
Dimensions7.42 × 8.03 × 4.90 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm8.03 mm1.66 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754558633
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 43.3°Culet: NoneDepth 61.0%

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: $1,533 AUD|Low: $299 AUD|High: $1,673 AUD|Avg: $1,081 AUD|-5.1%
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
November 1, 2026
Retailer 12$309 AUD
Retailer 9$359 AUD
Retailer 7$450 AUD
Retailer 6$640 AUD
Retailer 3$730 AUD
Retailer 11$860 AUD
Retailer 5$1,068 AUD
Retailer 2$1,230 AUD
Retailer 8$1,234 AUD
Retailer 4$1,332 AUD
Retailer 10$1,389 AUD
Retailer 1$1,533 AUD
Retailer 13$1,548 AUD
With Clarity$1,589 AUD

28 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
-
$1,533 AUD
£848 GBP
View
Retailer 11
-
$1,548 AUD
SGD 1,469 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
With Clarity
754558633 · 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