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Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG809691799

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG809691799

Diamond specifications and retailer prices

From $449 NZD
$253 USD
As of October 31, 2026
Save $1,576 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,024 NZD at Brilliance · As of October 30, 2026
View at Brilliance

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809691799 or 809691799. Listed at 14 retailers as of October 30, 2026, with prices from $449 to $2,024, a $1,576 spread on the same certified stone. Brilliance lists it at $2,024. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809691799
Dimensions8.38 × 6.07 × 4.06 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm6.07 mm1.65 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809691799
Side View
Table 60.0%Crown 36.1°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 66.9%

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 31
Current: $2,024 NZD|Low: $449 NZD|High: $2,094 NZD|Avg: $1,225 NZD|-3.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12$449 NZD
Retailer 9$499 NZD
Retailer 3$846 NZD
Retailer 7$855 NZD
Retailer 2$929 NZD
Retailer 11$1,070 NZD
Retailer 10$1,089 NZD
Retailer 8$1,163 NZD
Retailer 4$1,620 NZD
Retailer 13$1,694 NZD
Retailer 5$1,966 NZD
Retailer 6$2,005 NZD
Brilliance$2,024 NZD

43 data points across 13 retailers

14 retailers$449 NZD to $2,024 NZD

A
Cheapest Retailer
-
$449 NZD
$253 USD
Final sale: no returns
A
Retailer 2
-
$499 NZD
$281 USD
View
B+
Retailer 3
-
$846 NZD
$477 USD
View
A
Retailer 4
-
$855 NZD
ZAR 7,788 ZAR
View
A
Retailer 5
-
$929 NZD
£412 GBP
View
A
Retailer 6
-
$1,070 NZD
$603 USD
View
A
Retailer 7
-
$1,089 NZD
$614 USD
View
A
Retailer 8
-
$1,163 NZD
A$1,008 AUD
View
B+
Retailer 9
-
$1,620 NZD
SGD 1,234 SGD
View
B+
Retailer 10
-
$1,694 NZD
$955 USD
View
B
Retailer 11
-
$1,952 NZD
$1,100 USD
View
Retailer 12
-
$1,966 NZD
A$1,705 AUD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$2,005 NZD
£890 GBP
View
Most Expensive
B
Brilliance
D42940830 · Oct 30
$2,024 NZD
$1,141 USD
View
13 more retailers have this diamond
Prices start from $449 NZDSave up to $1,576 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
1.65ct Cushion
$449 NZD