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Cushion|Lab Grown|IGI

2.51ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG727547270

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

Certificate IGI LG727547270

Diamond specifications and retailer prices

From $442 SGD
HK$2,700 HKD
As of October 31, 2026
Save $2,422 SGD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,864 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.51ct lab-grown cushion diamond

This 2.51ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG727547270 or 727547270. Listed at 15 retailers as of October 31, 2026, with prices from $442 to $2,864, a $2,422 spread on the same certified stone. Brilliant Earth lists it at $2,864. 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

2.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727547270
Dimensions7.94 × 7.60 × 4.76 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.60 mm2.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727547270
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 32.2°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,864 SGD|Low: $366 SGD|High: $2,864 SGD|Avg: $1,068 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 7$366 SGD
Retailer 10$442 SGD
Retailer 15$510 SGD
Retailer 3$607 SGD
Retailer 2$634 SGD
Retailer 4$675 SGD
Retailer 12$768 SGD
Retailer 6$793 SGD
Retailer 9$796 SGD
Retailer 5$1,010 SGD
Retailer 8$1,011 SGD
Retailer 11$1,286 SGD
Retailer 13$1,625 SGD
Retailer 14$2,205 SGD
Brilliant Earth$2,864 SGD

41 data points across 15 retailers

15 retailers$442 SGD to $2,864 SGD

A
Cheapest Retailer
-
$442 SGD
HK$2,700 HKD
Retailer 2
-
$510 SGD
£314 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$607 SGD
$475 USD
View
A
Retailer 4
-
$634 SGD
€472 EUR
View
B+
Retailer 5
-
$675 SGD
$528 USD
View
A
Retailer 6
-
$768 SGD
£473 GBP
View
A
Retailer 7
-
$793 SGD
$620 USD
View
A
Retailer 8
-
$796 SGD
A$958 AUD
View
A
Retailer 9
-
$1,010 SGD
$790 USD
View
B+
Retailer 10
-
$1,011 SGD
$791 USD
View
B+
Retailer 11
-
$1,286 SGD
View
B+
Retailer 12
-
$1,625 SGD
£1,001 GBP
View
B
Retailer 13
-
$2,135 SGD
$1,670 USD
View
Retailer 14
-
$2,205 SGD
$1,725 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
16747996A · Oct 31
$2,864 SGD
$2,240 USD
View
14 more retailers have this diamond
Prices start from $442 SGDSave up to $2,422 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
2.51ct Cushion
$442 SGD