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Cushion|Lab Grown|IGI

1.84ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG731557339

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731557339

Diamond specifications and retailer prices

From $621 SGD
$486 USD
As of October 30, 2026
Save $4,134 SGD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,756 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.84ct lab-grown cushion diamond

This 1.84ct 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 LG731557339 or 731557339. Listed at 13 retailers as of October 30, 2026, with prices from $621 to $4,756, a $4,134 spread on the same certified stone. Brilliant Earth lists it at $4,756. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731557339
Dimensions7.85 × 6.59 × 4.66 mm
L/W Ratio1.19
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
7.85 mm6.59 mm1.84 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731557339
Side View
Table 57.0%Crown 36.8°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 70.7%

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: $4,756 SGD|Low: $444 SGD|High: $7,006 SGD|Avg: $2,458 SGD|-32.1%
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
October 31, 2026
Retailer 5$621 SGD
Retailer 10$839 SGD
Retailer 3$901 SGD
Retailer 9$993 SGD
Retailer 2$995 SGD
Retailer 4$1,498 SGD
Retailer 7$1,610 SGD
Retailer 12$1,854 SGD
Retailer 8$2,554 SGD
Retailer 6$4,022 SGD
Retailer 13$4,180 SGD
Retailer 11$4,487 SGD
Brilliant Earth$4,756 SGD

32 data points across 13 retailers

13 retailers$621 SGD to $4,756 SGD

A
Cheapest Retailer
-
$621 SGD
$486 USD
Final sale: no returns
A
Retailer 2
-
$839 SGD
$656 USD
View
A
Retailer 3
-
$901 SGD
$705 USD
View
A
Retailer 4
-
$993 SGD
$777 USD
View
A
Retailer 5
-
$995 SGD
€741 EUR
View
A
Retailer 6
-
$1,498 SGD
$1,172 USD
View
A
Retailer 7
-
$1,610 SGD
A$1,938 AUD
View
A
Retailer 8
-
$1,854 SGD
$1,451 USD
View
B+
Retailer 9
-
$2,554 SGD
£1,573 GBP
View
B+
Retailer 10
-
$4,022 SGD
A$4,840 AUD
View
Retailer 11
-
$4,180 SGD
$3,270 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$4,487 SGD
$3,510 USD
View
Most Expensive
B
Brilliant Earth
15899175Y · Oct 30
$4,756 SGD
$3,720 USD
View
12 more retailers have this diamond
Prices start from $621 SGDSave up to $4,134 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
1.84ct Cushion
$621 SGD