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Cushion|Lab Grown|IGI

1.71ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG515227082

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG515227082

Diamond specifications and retailer prices

From $545 SGD
$425 USD
As of October 29, 2026
Save $2,468 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,013 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515227082 or 515227082. Listed at 10 retailers as of October 29, 2026, with prices from $545 to $3,013, a $2,468 spread on the same certified stone. Do Amore Diamonds lists it at $3,013. 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

1.71
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227082
Dimensions6.88 × 6.83 × 4.68 mm
L/W Ratio1.01
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
6.88 mm6.83 mm1.71 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227082
Side View
Table 62.0%Crown 35°Girdle: STK-VTKPavilion 40.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
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 29
Current: $3,013 SGD|Low: $545 SGD|High: $3,013 SGD|Avg: $1,305 SGD|+17.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$545 SGD
Retailer 10$545 SGD
Retailer 6$583 SGD
Retailer 2$616 SGD
Retailer 8$849 SGD
Retailer 7$1,122 SGD
Retailer 9$1,491 SGD
Retailer 4$1,863 SGD
Retailer 5$1,987 SGD
Do Amore Diamonds$3,013 SGD

24 data points across 10 retailers

10 retailers$545 SGD to $3,013 SGD

A
Cheapest Retailer
-
$545 SGD
$425 USD
B+
Retailer 2
-
$545 SGD
$425 USD
View
A
Retailer 3
-
$583 SGD
$455 USD
View
B+
Retailer 4
-
$616 SGD
£378 GBP
View
A
Retailer 5
-
$849 SGD
$662 USD
View
A
Retailer 6
-
$1,122 SGD
$875 USD
View
B+
Retailer 7
-
$1,491 SGD
$1,163 USD
View
B
Retailer 8
-
$1,863 SGD
£1,144 GBP
View
B
Retailer 9
-
$1,987 SGD
$1,550 USD
View
Most Expensive
B
Do Amore Diamonds
27-0CB569BFC · Oct 29
$3,013 SGD
$2,350 USD
View
9 more retailers have this diamond
Prices start from $545 SGDSave up to $2,468 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
1.71ct Cushion
$545 SGD