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Cushion|Lab Grown|IGI

1.73ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681453

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681453

Diamond specifications and retailer prices

From $1,080 SGD
$845 USD
As of October 31, 2026
Save $5,376 SGD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,456 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG818681453 or 818681453. Listed at 8 retailers as of October 31, 2026, with prices from $1,080 to $6,456, a $5,376 spread on the same certified stone. Do Amore Diamonds lists it at $6,456. 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 angle34.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681453
Dimensions8.21 × 6.31 × 4.29 mm
L/W Ratio1.30
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
8.21 mm6.31 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681453
Side View
Table 55.0%Crown 34.6°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,456 SGD|Low: $1,080 SGD|High: $8,540 SGD|Avg: $3,591 SGD|-24.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$1,080 SGD
Retailer 5$1,388 SGD
Retailer 8$1,402 SGD
Retailer 3$1,596 SGD
Retailer 6$3,720 SGD
Retailer 2$3,924 SGD
Retailer 9$4,352 SGD
Retailer 10$4,352 SGD
Retailer 4$5,139 SGD
Do Amore Diamonds$6,456 SGD

27 data points across 10 retailers

8 retailers$1,080 SGD to $6,456 SGD

A
Cheapest Retailer
-
$1,080 SGD
$845 USD
A
Retailer 2
-
$1,388 SGD
$1,086 USD
View
A
Retailer 3
-
$1,402 SGD
$1,097 USD
View
A
Retailer 4
-
$1,596 SGD
€1,189 EUR
View
Retailer 5
-
$3,720 SGD
$2,910 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$3,924 SGD
£2,417 GBP
View
B
Retailer 7
-
$5,139 SGD
$4,020 USD
View
Most Expensive
B
Do Amore Diamonds
27-EA7DE4A94 · Oct 31
$6,456 SGD
$5,050 USD
View
7 more retailers have this diamond
Prices start from $1,080 SGDSave up to $5,376 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
$1,080 SGD