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Cushion|Lab Grown|IGI

1.72ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG618453998

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG618453998

Diamond specifications and retailer prices

From $2,392 SGD
$1,870 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $2,392 SGD at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618453998 or 618453998. Listed at 4 retailers as of October 27, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618453998
Dimensions8.90 × 6.12 × 4.08 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm6.12 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618453998
Side View
Table 61.0%Crown 34°Girdle: THN-STKPavilion 37.4°Culet: NoneDepth 66.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $2,392 SGD|Low: $295 SGD|High: $2,532 SGD|Avg: $1,105 SGD|-5.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6$295 SGD
Retailer 4$540 SGD
Retailer 10$590 SGD
Retailer 11$716 SGD
Retailer 3$914 SGD
Retailer 7$1,010 SGD
Retailer 9$1,050 SGD
Retailer 5$1,093 SGD
Retailer 2$1,368 SGD
Retailer 8$1,982 SGD
Do Amore Diamonds$2,392 SGD

13 data points across 11 retailers

4 retailers

Retailer 1
-
$540 SGD
$422 USD
Price last confirmed 8 days ago
Retailer 2
-
$1,093 SGD
$855 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$1,368 SGD
£842 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-425E2CB6D · Oct 27
$2,392 SGD
$1,870 USD
View
3 more retailers have this diamond

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.

B
1.72ct Cushion
$2,392 SGD