Cushion|Lab Grown|IGI

1.65ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG816636331

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816636331

Diamond specifications and retailer prices

From $523 NZD
£232 GBP
As of November 2, 2026
Save $1,568 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,091 NZD at MOH London · As of November 1, 2026
View at MOH London

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816636331 or 816636331. Listed at 9 retailers as of November 1, 2026, with prices from $523 to $2,091, a $1,568 spread on the same certified stone. MOH London lists it at $2,091. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816636331
Dimensions8.46 × 5.93 × 4.05 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm5.93 mm1.65 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816636331
Side View
Table 61.0%Crown 35.7°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,091 NZD|Low: $523 NZD|High: $2,102 NZD|Avg: $1,482 NZD|+6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$523 NZD
Retailer 3$755 NZD
Retailer 4$1,043 NZD
Retailer 8$1,045 NZD
Retailer 7$1,657 NZD
Retailer 6$1,849 NZD
Retailer 9$1,878 NZD
Retailer 5$1,916 NZD
MOH London$2,091 NZD

34 data points across 9 retailers

9 retailers$523 NZD to $2,091 NZD

A
Cheapest Retailer
-
$523 NZD
£232 GBP
A
Retailer 2
-
$755 NZD
€405 EUR
View
A
Retailer 3
-
$1,043 NZD
A$904 AUD
View
A
Retailer 4
-
$1,045 NZD
$589 USD
View
B+
Retailer 5
-
$1,657 NZD
$934 USD
View
B+
Retailer 6
-
$1,849 NZD
$1,042 USD
View
Retailer 7
-
$1,878 NZD
SGD 1,430 SGD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$1,916 NZD
$1,080 USD
View
Most Expensive
B
MOH London
LG816636331 · Nov 1
$2,091 NZD
£928 GBP
View
8 more retailers have this diamond
Prices start from $523 NZDSave up to $1,568 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
$523 NZD