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Radiant|Lab Grown|IGI

2.57ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG840652908

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

Certificate IGI LG840652908

Diamond specifications and retailer prices

From ₹47,550 INR
$501 USD
As of November 1, 2026
Save ₹3,30,192 INR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹3,95,775 INR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 top-tier cut grade and certified by IGI LG840652908 or 840652908. Listed at 16 retailers as of November 1, 2026, with a 694% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840652908
Dimensions8.94 × 7.22 × 4.75 mm
L/W Ratio1.24
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
8.94 mm7.22 mm2.57 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840652908
Side View
Table 64.0%Crown 40.3°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 65.8%

Caratlytics Score

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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 1
Current: ₹3,95,775 INR|Low: ₹47,550 INR|High: ₹3,95,775 INR|Avg: ₹1,72,191 INR
Rare Carat
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
November 2, 2026
Retailer 3₹47,550 INR
Retailer 10₹61,536 INR
Retailer 4₹69,949 INR
Retailer 14₹70,708 INR
Retailer 11₹96,794 INR
Retailer 15₹1,29,182 INR
Retailer 9₹1,34,677 INR
Retailer 2₹1,40,376 INR
Retailer 7₹1,49,009 INR
Retailer 5₹1,97,318 INR
Retailer 8₹2,00,715 INR
Retailer 6₹2,03,677 INR
Retailer 12₹2,43,000 INR
Retailer 13₹2,97,230 INR
Retailer 16₹3,77,742 INR
Rare Carat₹3,95,775 INR

13 data points across 16 retailers

16 retailers₹47,550 INR to ₹3,77,742 INR

A
Cheapest Retailer
-
₹47,550 INR
$501 USD
Final sale: no returns
A
Retailer 2
-
₹61,536 INR
£511 GBP
View
B+
Retailer 3
-
₹69,949 INR
$737 USD
View
A
Retailer 4
-
₹70,708 INR
$745 USD
View
A
Retailer 5
-
₹96,794 INR
£803 GBP
View
A
Retailer 6
-
₹1,29,182 INR
A$2,094 AUD
View
A
Retailer 7
-
₹1,34,677 INR
$1,419 USD
View
A
Retailer 8
-
₹1,40,376 INR
ZAR 23,894 ZAR
View
A
Retailer 9
-
₹1,49,009 INR
$1,570 USD
View
A
Retailer 10
-
₹1,97,318 INR
$2,079 USD
View
A
Retailer 11
-
₹2,00,715 INR
$2,115 USD
View
A
Retailer 12
-
₹2,03,677 INR
SGD 2,900 SGD
View
B+
Retailer 13
-
₹2,43,000 INR
£2,016 GBP
View
B+
Retailer 14
-
₹2,97,230 INR
A$4,818 AUD
View
B
Retailer 15
-
₹3,77,742 INR
$3,980 USD
View
Most Expensive
Rare Carat
LA2653 · Oct 21
₹3,95,775 INR
$4,170 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from ₹47,550 INRSave up to ₹3,30,192 INR

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
₹47,550 INR