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Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG698513789

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG698513789

Diamond specifications and retailer prices

From $290 USD
As of October 28, 2026
Save $1,940 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,230 USD at Brilliant Earth · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG698513789 or 698513789. Listed at 15 retailers as of October 28, 2026, with prices from $290 to $2,230, a $1,940 spread on the same certified stone. Brilliant Earth lists it at $2,230. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698513789
Dimensions6.73 × 6.73 × 4.60 mm
L/W Ratio1.00
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
6.73 mm6.73 mm1.65 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698513789
Side View
Table 64.0%Crown 35.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 68.4%

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: $2,230 USD|Low: $290 USD|High: $2,420 USD|Avg: $828 USD|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 5$290 USD
Retailer 3$321 USD
Retailer 15$432 USD
Retailer 11$435 USD
Retailer 10$552 USD
Retailer 8$580 USD
Retailer 2$614 USD
Retailer 4$615 USD
Retailer 12$748 USD
Retailer 14$792 USD
Retailer 6$1,084 USD
Retailer 13$1,100 USD
Retailer 9$1,295 USD
Retailer 7$1,382 USD
Brilliant Earth$2,230 USD

41 data points across 15 retailers

15 retailers$290 USD to $2,230 USD

A
Cheapest Retailer
-
$290 USD
Final sale: no returns
A
Retailer 2
-
$321 USD
View
B+
Retailer 3
-
$432 USD
View
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$552 USD
ZAR 8,920 ZAR
View
A
Retailer 6
-
$580 USD
€552 EUR
View
A
Retailer 7
-
$614 USD
£483 GBP
View
A
Retailer 8
-
$615 USD
View
B+
Retailer 9
-
$748 USD
A$1,150 AUD
View
B+
Retailer 10
-
$792 USD
View
B
Retailer 11
-
$1,084 USD
View
Retailer 12
-
$1,100 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,295 USD
£1,020 GBP
View
B
Retailer 14
-
$1,382 USD
View
Most Expensive
B
Brilliant Earth
21560026A · Oct 29
$2,230 USD
View
14 more retailers have this diamond
Prices start from $290 USDSave up to $1,940 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
$290 USD