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Cushion|Lab Grown|IGI

2.57ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG790645996

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790645996

Diamond specifications and retailer prices

From $2,351 SGD
$1,834 USD
As of October 28, 2026
Save $6,198 SGD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,549 SGD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790645996 or 790645996. Listed at 16 retailers as of October 27, 2026, with prices from $2,351 to $8,549, a $6,198 spread on the same certified stone. Taylor and Hart lists it at $8,549. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790645996
Dimensions9.85 × 6.95 × 4.48 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm6.95 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790645996
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 31.1°Culet: NoneDepth 64.5%

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 28
Current: $2,477 SGD|Low: $2,351 SGD|High: $9,192 SGD|Avg: $5,038 SGD|-0.7%
Retailer 1
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
Taylor and Hart
October 29, 2026
Retailer 2$2,351 SGD
Retailer 3$2,435 SGD
Retailer 1$2,477 SGD
Retailer 13$2,653 SGD
Retailer 5$2,761 SGD
Retailer 8$3,430 SGD
Retailer 9$3,484 SGD
Retailer 4$3,757 SGD
Retailer 6$5,040 SGD
Retailer 12$5,790 SGD
Retailer 11$6,258 SGD
Retailer 15$6,562 SGD
Retailer 10$6,964 SGD
Retailer 14$7,410 SGD
Retailer 7$8,141 SGD
Taylor and Hart$8,549 SGD

41 data points across 16 retailers

16 retailers$2,351 SGD to $8,549 SGD

A
Cheapest Retailer
-
$2,351 SGD
$1,834 USD
Final sale: no returns
A
Retailer 2
-
$2,435 SGD
$1,900 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$2,477 SGD
£1,522 GBP
View
A
Retailer 4
-
$2,653 SGD
$2,070 USD
View
A
Retailer 5
-
$2,761 SGD
$2,154 USD
View
A
Retailer 6
-
$3,430 SGD
£2,107 GBP
View
A
Retailer 7
-
$3,484 SGD
$2,718 USD
View
A
Retailer 8
-
$3,757 SGD
$2,931 USD
View
B+
Retailer 9
-
$5,040 SGD
£3,096 GBP
View
B+
Retailer 10
-
$5,790 SGD
A$6,950 AUD
View
B+
Retailer 11
-
$6,258 SGD
ZAR 78,875 ZAR
View
B+
Retailer 12
-
$6,562 SGD
$5,120 USD
View
B+
Retailer 13
-
$6,964 SGD
£4,278 GBP
View
B
Retailer 14
-
$7,410 SGD
$5,782 USD
View
B+
Retailer 15
-
$8,141 SGD
View
Most Expensive
B
Taylor and Hart
Y9RBHW7 · Oct 27
$8,549 SGD
$6,670 USD
View
15 more retailers have this diamond
Prices start from $2,351 SGDSave up to $6,198 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
2.57ct Cushion
$2,351 SGD