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Radiant|Lab Grown|IGI

2.57ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG700540698

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

Certificate IGI LG700540698

Diamond specifications and retailer prices

From $1,132 SGD
$885 USD
As of November 2, 2026
Save $5,979 SGD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,111 SGD at Brilliant Earth · As of November 2, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700540698 or 700540698. Listed at 12 retailers as of November 2, 2026, with prices from $1,132 to $7,111, a $5,979 spread on the same certified stone. Brilliant Earth lists it at $7,111. 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 angle40.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700540698
Dimensions9.74 × 6.50 × 4.65 mm
L/W Ratio1.50
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
9.74 mm6.50 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700540698
Side View
Table 63.0%Crown 40.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 71.5%

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: Nov 2
Current: $7,111 SGD|Low: $982 SGD|High: $7,494 SGD|Avg: $3,475 SGD|-3.0%
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
October 31, 2026
Retailer 4$982 SGD
Retailer 14$1,132 SGD
Retailer 3$1,182 SGD
Retailer 9$1,498 SGD
Retailer 2$1,633 SGD
Retailer 11$2,424 SGD
Retailer 5$2,628 SGD
Retailer 12$2,714 SGD
Retailer 8$4,270 SGD
Retailer 7$4,526 SGD
Retailer 13$5,339 SGD
Retailer 6$5,687 SGD
Retailer 10$6,996 SGD
Brilliant Earth$7,111 SGD

18 data points across 14 retailers

12 retailers$1,132 SGD to $7,111 SGD

A
Cheapest Retailer
-
$1,132 SGD
$885 USD
A
Retailer 2
-
$1,182 SGD
$924 USD
View
A
Retailer 3
-
$1,498 SGD
$1,171 USD
View
A
Retailer 4
-
$1,633 SGD
€1,216 EUR
View
A
Retailer 5
-
$2,424 SGD
$1,895 USD
View
A
Retailer 6
-
$2,628 SGD
$2,055 USD
View
A
Retailer 7
-
$2,714 SGD
$2,122 USD
View
B+
Retailer 8
-
$4,270 SGD
£2,629 GBP
View
B+
Retailer 9
-
$4,526 SGD
A$5,445 AUD
View
B+
Retailer 10
-
$5,339 SGD
$4,175 USD
View
B
Retailer 11
-
$6,996 SGD
$5,470 USD
View
Most Expensive
B
Brilliant Earth
13959243Y · Nov 2
$7,111 SGD
$5,560 USD
View
11 more retailers have this diamond
Prices start from $1,132 SGDSave up to $5,979 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
$1,132 SGD