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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 $371 SGD
$290 USD
As of October 30, 2026
Save $2,480 SGD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,851 SGD 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 29, 2026, with prices from $371 to $2,851, a $2,480 spread on the same certified stone. Brilliant Earth lists it at $2,851. 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
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 30
Current: $2,851 SGD|Low: $371 SGD|High: $3,094 SGD|Avg: $1,003 SGD|-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
October 31, 2026
Retailer 5$371 SGD
Retailer 3$410 SGD
Retailer 14$552 SGD
Retailer 10$556 SGD
Retailer 9$706 SGD
Retailer 7$741 SGD
Retailer 2$778 SGD
Retailer 4$786 SGD
Retailer 11$956 SGD
Retailer 13$1,012 SGD
Retailer 6$1,386 SGD
Retailer 12$1,406 SGD
Retailer 8$1,656 SGD
Brilliant Earth$2,851 SGD

42 data points across 14 retailers

15 retailers$371 SGD to $2,851 SGD

A
Cheapest Retailer
-
$371 SGD
$290 USD
Final sale: no returns
A
Retailer 2
-
$410 SGD
$321 USD
View
B+
Retailer 3
-
$552 SGD
$432 USD
View
A
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$706 SGD
ZAR 8,920 ZAR
View
A
Retailer 6
-
$741 SGD
€552 EUR
View
A
Retailer 7
-
$778 SGD
£479 GBP
View
A
Retailer 8
-
$786 SGD
$615 USD
View
B+
Retailer 9
-
$956 SGD
A$1,150 AUD
View
B+
Retailer 10
-
$1,012 SGD
$792 USD
View
B
Retailer 11
-
$1,386 SGD
$1,084 USD
View
Retailer 12
-
$1,406 SGD
$1,100 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$1,656 SGD
£1,020 GBP
View
B
Retailer 14
-
$1,767 SGD
$1,382 USD
View
Most Expensive
B
Brilliant Earth
21560026A · Oct 29
$2,851 SGD
$2,230 USD
View
14 more retailers have this diamond
Prices start from $371 SGDSave up to $2,480 SGD

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
$371 SGD