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Cushion|Lab Grown|IGI

1.65ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG550256516

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG550256516

Diamond specifications and retailer prices

From $252 USD
As of October 28, 2026
Save $1,198 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG550256516 or 550256516. Listed at 16 retailers as of October 28, 2026, with prices from $252 to $1,450, a $1,198 spread on the same certified stone. Brilliant Earth lists it at $1,450. 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
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550256516
Dimensions6.60 × 6.47 × 4.31 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.47 mm1.65 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550256516
Side View
Table 60.5%Crown 36.6°Girdle: STK-THKPavilion 31.5°Culet: NoneDepth 66.6%

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 28
Current: $1,450 USD|Low: $252 USD|High: $1,520 USD|Avg: $711 USD|-4.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$252 USD
Retailer 11$279 USD
Retailer 6$375 USD
Retailer 5$453 USD
Retailer 7$518 USD
Retailer 4$574 USD
Retailer 12$613 USD
Retailer 10$729 USD
Retailer 2$1,044 USD
Retailer 9$1,085 USD
Retailer 8$1,121 USD
Brilliant Earth$1,450 USD

44 data points across 12 retailers

16 retailers$252 USD to $1,450 USD

A
Cheapest Retailer
-
$252 USD
Final sale: no returns
A
Retailer 2
-
$279 USD
View
B+
Retailer 3
-
$375 USD
View
A
Retailer 4
-
$453 USD
€431 EUR
View
A
Retailer 5
-
$518 USD
£408 GBP
View
A
Retailer 6
-
$574 USD
View
A
Retailer 7
-
$596 USD
View
A
Retailer 8
-
$613 USD
View
B+
Retailer 9
-
$729 USD
View
B+
Retailer 10
-
$951 USD
View
B+
Retailer 11
-
$1,044 USD
A$1,606 AUD
View
B+
Retailer 12
-
$1,085 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,097 USD
£864 GBP
View
B+
Retailer 14
-
$1,121 USD
£883 GBP
View
B
Retailer 15
-
$1,274 USD
View
Most Expensive
B
Brilliant Earth
10789636A · Oct 28
$1,450 USD
View
15 more retailers have this diamond
Prices start from $252 USDSave up to $1,198 USD

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
$252 USD