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Round|Lab Grown|IGI

1.57ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG645410374

Shape and cutting style on the report: Round brilliant

Certificate IGI LG645410374

Diamond specifications and retailer prices

From ₹27,156 INR
$286 USD
As of November 1, 2026
Save ₹1,12,282 INR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: ₹1,84,203 INR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG645410374 or 645410374. Listed at 20 retailers as of November 1, 2026, with a 413% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645410374
Dimensions7.45 × 7.43 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.45 mm7.43 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645410374
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: Nov 1
Current: ₹1,84,203 INR|Low: ₹27,156 INR|High: ₹1,86,577 INR|Avg: ₹72,162 INR|-1.3%
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 14₹27,156 INR
Retailer 6₹30,289 INR
Retailer 13₹31,523 INR
Retailer 3₹33,707 INR
Retailer 11₹33,707 INR
Retailer 9₹47,816 INR
Retailer 8₹55,451 INR
Retailer 15₹55,546 INR
Retailer 2₹58,098 INR
Retailer 10₹59,370 INR
Retailer 4₹79,122 INR
Retailer 5₹1,03,496 INR
Retailer 12₹1,08,338 INR
Retailer 7₹1,29,607 INR
Retailer 16₹1,35,780 INR
Rare Carat₹1,84,203 INR

35 data points across 16 retailers

20 retailers₹27,156 INR to ₹1,39,438 INR

A
Cheapest Retailer
-
₹27,156 INR
$286 USD
A
Retailer 2
-
₹30,289 INR
$319 USD
View
Final sale: no returns
A
Retailer 3
-
₹31,523 INR
$332 USD
View
A
Retailer 4
-
₹33,707 INR
$355 USD
View
Retailer 5
-
₹33,707 INR
$355 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
₹47,816 INR
£397 GBP
View
A
Retailer 7
-
₹55,451 INR
$584 USD
View
A
Retailer 8
-
₹55,546 INR
$585 USD
View
Retailer 9
-
₹58,098 INR
ZAR 9,885 ZAR
View
A
Retailer 10
-
₹58,679 INR
$618 USD
View
A
Retailer 11
-
₹59,370 INR
£492 GBP
View
Retailer 12
-
₹79,122 INR
A$1,282 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
₹86,310 INR
$909 USD
View
B+
Retailer 14
-
₹1,03,496 INR
$1,090 USD
View
B+
Retailer 15
-
₹1,08,338 INR
$1,141 USD
View
B+
Retailer 16
-
₹1,12,975 INR
$1,190 USD
View
B+
Retailer 17
-
₹1,29,607 INR
$1,365 USD
View
B+
Retailer 18
-
₹1,35,780 INR
£1,126 GBP
View
B
Retailer 19
-
₹1,39,438 INR
$1,469 USD
View
Most Expensive
Rare Carat
8804_l_645410374 · Oct 21
₹1,84,203 INR
$1,940 USD
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from ₹27,156 INRSave up to ₹1,12,282 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
1.57ct Round
₹27,156 INR