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Round|Lab Grown|IGI

1.57ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG407939119

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407939119

Diamond specifications and retailer prices

From ₹1,29,132 INR
$1,360 USD
As of October 29, 2026
Save ₹3,96,625 INR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹5,25,757 INR at MOH London · As of October 29, 2026
View at MOH London

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407939119 or 407939119. Listed at 12 retailers as of October 29, 2026, with prices from ₹1,29,132 to ₹5,25,757, a ₹3,96,625 spread on the same certified stone. MOH London lists it at ₹5,25,757. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.57
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407939119
Dimensions7.42 × 7.38 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.42 mm7.38 mm1.57 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407939119
Side View
Table 54.5%Crown 36.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.7%

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: Oct 29
Current: ₹5,25,757 INR|Low: ₹1,29,132 INR|High: ₹5,29,978 INR|Avg: ₹2,95,114 INR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6₹1,29,132 INR
Retailer 5₹1,57,902 INR
Retailer 9₹1,76,797 INR
Retailer 7₹1,83,159 INR
Retailer 4₹1,91,416 INR
Retailer 10₹1,99,395 INR
Retailer 12₹2,45,066 INR
Retailer 8₹2,87,793 INR
Retailer 2₹3,15,709 INR
Retailer 11₹5,03,440 INR
Retailer 3₹5,24,190 INR
MOH London₹5,25,757 INR

16 data points across 12 retailers

12 retailers₹1,29,132 INR to ₹5,25,757 INR

A
Cheapest Retailer
-
₹1,29,132 INR
$1,360 USD
B+
Retailer 2
-
₹1,57,902 INR
$1,663 USD
View
B+
Retailer 3
-
₹1,71,765 INR
$1,809 USD
View
B+
Retailer 4
-
₹1,76,797 INR
$1,862 USD
View
Final sale: no returns
B
Retailer 5
-
₹1,83,159 INR
$1,929 USD
View
Retailer 6
-
₹1,83,159 INR
$1,929 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
₹1,99,395 INR
$2,100 USD
View
B
Retailer 8
-
₹2,87,793 INR
$3,031 USD
View
B
Retailer 9
-
₹3,15,709 INR
$3,325 USD
View
B
Retailer 10
-
₹3,43,244 INR
$3,615 USD
View
B
Retailer 11
-
₹5,03,440 INR
$5,302 USD
View
Most Expensive
B
MOH London
LG407939119 · Oct 29
₹5,25,757 INR
£4,360 GBP
View
11 more retailers have this diamond
Prices start from ₹1,29,132 INRSave up to ₹3,96,625 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
₹1,29,132 INR