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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG675592990

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675592990

Diamond specifications and retailer prices

From $587 SGD
$459 USD
As of October 30, 2026
Save $4,322 SGD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,909 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG675592990 or 675592990. Listed at 22 retailers as of October 30, 2026, with prices from $587 to $4,909, a $4,322 spread on the same certified stone. Brilliant Earth lists it at $4,909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675592990
Dimensions8.73 × 6.63 × 4.41 mm
L/W Ratio1.32
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
8.73 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675592990
Side View
Table 61.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

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: $4,909 SGD|Low: $587 SGD|High: $5,932 SGD|Avg: $2,216 SGD|-17.2%
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
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
October 31, 2026
Retailer 8$587 SGD
Retailer 5$649 SGD
Retailer 3$763 SGD
Retailer 18$884 SGD
Retailer 17$933 SGD
Retailer 4$979 SGD
Retailer 13$1,028 SGD
Retailer 2$1,187 SGD
Retailer 16$1,233 SGD
Retailer 20$1,570 SGD
Retailer 14$1,671 SGD
Retailer 7$2,371 SGD
Retailer 10$2,410 SGD
Retailer 11$2,496 SGD
Retailer 9$2,535 SGD
Retailer 15$2,650 SGD
Retailer 12$2,981 SGD
Retailer 19$4,021 SGD
Retailer 6$4,653 SGD
Brilliant Earth$4,909 SGD

30 data points across 20 retailers

22 retailers$587 SGD to $4,909 SGD

A
Cheapest Retailer
-
$587 SGD
$459 USD
Final sale: no returns
A
Retailer 2
-
$649 SGD
$508 USD
View
Retailer 3
-
$763 SGD
£470 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$884 SGD
HK$5,400 HKD
View
A
Retailer 5
-
$933 SGD
$730 USD
View
A
Retailer 6
-
$979 SGD
$766 USD
View
A
Retailer 7
-
$1,028 SGD
$804 USD
View
A
Retailer 8
-
$1,187 SGD
£731 GBP
View
A
Retailer 9
-
$1,233 SGD
ZAR 15,582 ZAR
View
A
Retailer 10
-
$1,570 SGD
$1,228 USD
View
A
Retailer 11
-
$1,671 SGD
A$2,011 AUD
View
B+
Retailer 12
-
$2,371 SGD
$1,855 USD
View
B+
Retailer 13
-
$2,410 SGD
$1,885 USD
View
B+
Retailer 14
-
$2,496 SGD
$1,953 USD
View
B+
Retailer 15
-
$2,535 SGD
View
B+
Retailer 16
-
$2,650 SGD
£1,632 GBP
View
Retailer 17
-
$2,981 SGD
£1,836 GBP
View
Price last confirmed 16 days ago
Retailer 18
-
$4,021 SGD
$3,145 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$4,546 SGD
£2,800 GBP
View
Retailer 20
-
$4,575 SGD
$3,579 USD
View
Price last confirmed 82 days ago
B
Retailer 21
-
$4,653 SGD
$3,640 USD
View
Most Expensive
B
Brilliant Earth
20152130Y · Oct 30
$4,909 SGD
$3,840 USD
View
21 more retailers have this diamond
Prices start from $587 SGDSave up to $4,322 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
1.90ct Cushion
$587 SGD