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Cushion|Lab Grown|IGI

1.61ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG551273866

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG551273866

Diamond specifications and retailer prices

From $2,264 SGD
$1,770 USD
As of October 27, 2026
5 retailers carry this diamond
Most expensive: $2,264 SGD at Do Amore Diamonds
View at Do Amore Diamonds

About this 1.61ct lab-grown cushion diamond

This 1.61ct 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 LG551273866 or 551273866. Listed at 5 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551273866
Dimensions7.65 × 6.30 × 4.28 mm
L/W Ratio1.21
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
7.65 mm6.30 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG551273866
Side View
Table 62.0%Crown 35.4°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 67.9%

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: $2,264 SGD|Low: $188 SGD|High: $2,392 SGD|Avg: $1,318 SGD|-5.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 6$279 SGD
Retailer 3$514 SGD
Retailer 4$1,025 SGD
Retailer 2$1,507 SGD
Retailer 5$2,251 SGD
Do Amore Diamonds$2,264 SGD

17 data points across 6 retailers

5 retailers

Retailer 1
-
$514 SGD
$402 USD
Price last confirmed 8 days ago
Retailer 2
-
$1,025 SGD
$802 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$1,507 SGD
£928 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$2,251 SGD
$1,760 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-283F6BDEB · Oct 27
$2,264 SGD
$1,770 USD
View
4 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
1.61ct Cushion
$2,264 SGD