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0.51ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG502108737

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502108737

Diamond specifications and retailer prices

From ₹26,016 INR
$274 USD
As of November 1, 2026
Save ₹1,04,217 INR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹1,30,233 INR at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG502108737 or 502108737. Listed at 11 retailers as of October 29, 2026, with prices from ₹26,016 to ₹1,30,233, a ₹1,04,217 spread on the same certified stone. MOH London lists it at ₹1,30,233. 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

0.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502108737
Dimensions5.19 × 5.17 × 3.14 mm
L/W Ratio1.00
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
5.19 mm5.17 mm0.51 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502108737
Side View
Table 55.5%Crown 31.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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: ₹1,30,233 INR|Low: ₹20,889 INR|High: ₹1,31,078 INR|Avg: ₹52,748 INR|-0.6%
MOH London
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 8₹26,016 INR
Retailer 6₹27,233 INR
Retailer 13₹29,150 INR
Retailer 3₹30,194 INR
Retailer 9₹30,384 INR
Retailer 10₹32,283 INR
Retailer 12₹32,283 INR
Retailer 4₹47,475 INR
Retailer 11₹53,552 INR
Retailer 2₹60,317 INR
Retailer 5₹65,800 INR
Retailer 7₹99,223 INR
Retailer 14₹1,03,875 INR
MOH London₹1,30,233 INR

20 data points across 14 retailers

11 retailers₹26,016 INR to ₹1,30,233 INR

A
Cheapest Retailer
-
₹26,016 INR
$274 USD
A
Retailer 2
-
₹29,150 INR
$307 USD
View
Final sale: no returns
A
Retailer 3
-
₹30,194 INR
$318 USD
View
A
Retailer 4
-
₹30,384 INR
$320 USD
View
Retailer 5
-
₹32,283 INR
$340 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
₹32,283 INR
$340 USD
View
B+
Retailer 7
-
₹53,552 INR
$564 USD
View
B+
Retailer 8
-
₹60,317 INR
€605 EUR
View
B
Retailer 9
-
₹99,223 INR
$1,045 USD
View
B
Retailer 10
-
₹1,03,875 INR
$1,094 USD
View
Most Expensive
B
MOH London
LG502108737 · Oct 29
₹1,30,233 INR
£1,080 GBP
View
10 more retailers have this diamond
Prices start from ₹26,016 INRSave up to ₹1,04,217 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
0.51ct Round
₹26,016 INR