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1.31ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG499105136

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499105136

Diamond specifications and retailer prices

From ₹81,064 INR
As of November 5, 2026
Save ₹2,70,626 INR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹3,51,690 INR at MOH London · As of November 5, 2026
View at MOH London

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499105136 or 499105136. Listed at 11 retailers as of November 5, 2026, with prices from ₹81,064 to ₹3,51,690, a ₹2,70,626 spread on the same certified stone. MOH London lists it at ₹3,51,690. 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

1.31
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499105136
Dimensions6.95 × 6.99 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.95 mm6.99 mm1.31 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499105136
Side View
Table 56.5%Crown 34.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.5%

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 5
Current: ₹3,51,690 INR|Low: ₹81,064 INR|High: ₹3,56,849 INR|Avg: ₹1,54,311 INR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3₹81,064 INR
Retailer 7₹90,701 INR
Retailer 4₹92,590 INR
Retailer 5₹94,102 INR
Retailer 8₹1,10,542 INR
Retailer 9₹1,44,176 INR
Retailer 6₹1,51,357 INR
Retailer 2₹2,16,265 INR
MOH London₹3,51,690 INR

12 data points across 9 retailers

11 retailers₹81,064 INR to ₹3,51,690 INR

A
Cheapest Retailer
-
₹81,064 INR
B+
Retailer 2
-
₹88,244 INR
View
B+
Retailer 3
-
₹90,701 INR
View
Final sale: no returns
B+
Retailer 4
-
₹92,590 INR
View
Retailer 5
-
₹94,102 INR
View
Price last confirmed 25 days ago
B+
Retailer 6
-
₹94,102 INR
View
B+
Retailer 7
-
₹1,10,542 INR
View
B
Retailer 8
-
₹1,51,357 INR
View
B
Retailer 9
-
₹2,16,265 INR
View
B
Retailer 10
-
₹2,64,450 INR
View
Most Expensive
B
MOH London
LG499105136 · Nov 5
₹3,51,690 INR
£2,931 GBP
View
10 more retailers have this diamond
Prices start from ₹81,064 INRSave up to ₹2,70,626 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
1.31ct Round
₹81,064 INR