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Cushion|Lab Grown|IGI

1.73ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804650021

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804650021

Diamond specifications and retailer prices

From $1,962 SGD
$1,535 USD
As of October 31, 2026
Save $2,614 SGD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,577 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804650021 or 804650021. Listed at 2 retailers as of October 31, 2026, with prices from $1,962 to $4,577, a $2,614 spread on the same certified stone. Brilliant Earth lists it at $4,577. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650021
Dimensions8.66 × 6.04 × 3.93 mm
L/W Ratio1.43
Girdle conditionFaceted
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
8.66 mm6.04 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650021
Side View
Table 58.0%Crown 32.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.1%

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 31
Current: $4,577 SGD|Low: $1,350 SGD|High: $7,368 SGD|Avg: $3,711 SGD|-30.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$1,350 SGD
Retailer 5$1,442 SGD
Retailer 2$1,962 SGD
Retailer 8$2,148 SGD
Retailer 12$2,953 SGD
Retailer 7$3,278 SGD
Retailer 11$3,307 SGD
Retailer 6$3,776 SGD
Brilliant Earth$4,577 SGD
Retailer 3$5,066 SGD
Retailer 10$6,099 SGD
Retailer 4$7,368 SGD

11 data points across 12 retailers

2 retailers$1,962 SGD to $4,577 SGD

A
Cheapest Retailer
-
$1,962 SGD
$1,535 USD
Most Expensive
B
Brilliant Earth
21404720Y · Oct 31
$4,577 SGD
$3,580 USD
View
1 more retailer has this diamond
Prices start from $1,962 SGDSave up to $2,614 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
1.73ct Cushion
$1,962 SGD