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Cushion|Lab Grown|IGI

1.66ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG815691516

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815691516

Diamond specifications and retailer prices

From $551 AUD
$386 USD
As of November 1, 2026
Save $2,631 AUD (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,182 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown cushion diamond

This 1.66ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815691516 or 815691516. Listed at 5 retailers as of November 1, 2026, with prices from $551 to $3,182, a $2,631 spread on the same certified stone. Do Amore Diamonds lists it at $3,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815691516
Dimensions8.57 × 5.98 × 4.07 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.57 mm5.98 mm1.66 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815691516
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.1%

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 1
Current: $3,182 AUD|Low: $497 AUD|High: $3,182 AUD|Avg: $1,315 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$497 AUD
Retailer 4$551 AUD
Retailer 9$686 AUD
Retailer 3$721 AUD
Retailer 7$948 AUD
Retailer 10$952 AUD
Retailer 5$1,510 AUD
Retailer 6$1,816 AUD
Retailer 2$2,288 AUD
Do Amore Diamonds$3,182 AUD

13 data points across 10 retailers

5 retailers$551 AUD to $3,182 AUD

B+
Cheapest Retailer
-
$551 AUD
$386 USD
A
Retailer 2
-
$721 AUD
€481 EUR
View
Retailer 3
-
$1,510 AUD
View
Price last confirmed 37 days ago
B
Retailer 4
-
$2,288 AUD
$1,603 USD
View
Most Expensive
B
Do Amore Diamonds
27-C6409CE8E · Nov 2
$3,182 AUD
$2,230 USD
View
4 more retailers have this diamond
Prices start from $551 AUDSave up to $2,631 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 Cushion
$551 AUD