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Radiant|Lab Grown|IGI

2.57ct F IF Radiant Lab Grown Diamond

GD • F/IF • IGI LG731565741

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG731565741

Diamond specifications and retailer prices

From $632 SGD
$494 USD
As of October 30, 2026
Save $6,412 SGD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,044 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG731565741 or 731565741. Listed at 25 retailers as of October 30, 2026, with prices from $632 to $7,044, a $6,412 spread on the same certified stone. Brilliant Earth lists it at $7,044. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731565741
Dimensions9.86 × 6.78 × 4.54 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.86 mm6.78 mm2.57 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731565741
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 35°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $7,044 SGD|Low: $632 SGD|High: $9,128 SGD|Avg: $2,427 SGD|-22.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 9$632 SGD
Retailer 19$707 SGD
Retailer 7$708 SGD
Retailer 20$784 SGD
Retailer 13$829 SGD
Retailer 17$888 SGD
Retailer 4$1,102 SGD
Retailer 16$1,195 SGD
Retailer 21$1,231 SGD
Retailer 2$1,304 SGD
Retailer 18$1,808 SGD
Retailer 10$1,830 SGD
Retailer 22$1,892 SGD
Retailer 3$2,062 SGD
Retailer 11$2,554 SGD
Retailer 6$2,575 SGD
Retailer 15$2,611 SGD
Retailer 5$2,727 SGD
Retailer 8$2,933 SGD
Retailer 14$3,944 SGD
Retailer 12$5,369 SGD
Brilliant Earth$7,044 SGD

28 data points across 22 retailers

25 retailers$632 SGD to $7,044 SGD

A
Cheapest Retailer
-
$632 SGD
$494 USD
A
Retailer 2
-
$707 SGD
$553 USD
View
Final sale: no returns
A
Retailer 3
-
$708 SGD
$554 USD
View
A
Retailer 4
-
$784 SGD
$613 USD
View
A
Retailer 5
-
$829 SGD
£511 GBP
View
A
Retailer 6
-
$888 SGD
$695 USD
View
Retailer 7
-
$897 SGD
$702 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$1,102 SGD
$862 USD
View
A
Retailer 9
-
$1,195 SGD
€890 EUR
View
A
Retailer 10
-
$1,231 SGD
$963 USD
View
A
Retailer 11
-
$1,304 SGD
£803 GBP
View
A
Retailer 12
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$1,808 SGD
$1,414 USD
View
A
Retailer 13
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$1,830 SGD
$1,431 USD
View
A
Retailer 14
-
$1,892 SGD
ZAR 23,904 ZAR
View
A
Retailer 15
-
$2,062 SGD
$1,613 USD
View
B+
Retailer 16
-
$2,227 SGD
$1,742 USD
View
A
Retailer 17
-
$2,554 SGD
$1,998 USD
View
B+
Retailer 18
-
$2,575 SGD
$2,014 USD
View
Retailer 19
-
$2,611 SGD
£1,608 GBP
View
Price last confirmed 21 days ago
B+
Retailer 20
-
$2,727 SGD
$2,133 USD
View
B+
Retailer 21
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$2,734 SGD
$2,139 USD
View
B+
Retailer 22
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$2,933 SGD
$2,294 USD
View
Retailer 23
-
$3,944 SGD
£2,429 GBP
View
Price last confirmed 22 days ago
Retailer 24
-
$5,369 SGD
$4,200 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
15784517A · Oct 31
$7,044 SGD
$5,510 USD
View
24 more retailers have this diamond
Prices start from $632 SGDSave up to $6,412 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 Radiant
$632 SGD