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Marquise|Lab Grown|IGI

0.51ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG542212263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG542212263

Diamond specifications and retailer prices

From ₹11,813 INR
$124 USD
As of October 27, 2026
Save ₹78,890 INR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹1,23,292 INR at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212263 or 542212263. Listed at 16 retailers as of October 27, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212263
Dimensions8.94 × 4.17 × 2.47 mm
L/W Ratio2.14
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
8.94 mm4.17 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212263
Side View
Table 64.0%Crown 30.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.2%

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: Oct 27
Current: ₹1,23,292 INR|Low: ₹6,997 INR|High: ₹1,24,018 INR|Avg: ₹36,814 INR|+0.4%
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 8₹6,997 INR
Retailer 11₹11,813 INR
Retailer 7₹13,243 INR
Retailer 16₹13,719 INR
Retailer 3₹15,624 INR
Retailer 13₹15,624 INR
Retailer 12₹27,628 INR
Retailer 14₹28,105 INR
Retailer 2₹30,443 INR
Retailer 9₹35,450 INR
Retailer 4₹36,393 INR
Retailer 15₹47,159 INR
Retailer 10₹49,826 INR
Retailer 5₹52,606 INR
Retailer 6₹90,704 INR
MOH London₹1,23,292 INR

42 data points across 16 retailers

16 retailers₹11,813 INR to ₹90,704 INR

A
Cheapest Retailer
-
₹11,813 INR
$124 USD
A
Retailer 2
-
₹13,243 INR
$139 USD
View
Final sale: no returns
A
Retailer 3
-
₹13,719 INR
$144 USD
View
A
Retailer 4
-
₹15,624 INR
$164 USD
View
A
Retailer 5
-
₹15,624 INR
$164 USD
View
B+
Retailer 6
-
₹27,628 INR
$290 USD
View
B+
Retailer 7
-
₹28,105 INR
$295 USD
View
B
Retailer 8
-
₹30,443 INR
£252 GBP
View
B+
Retailer 9
-
₹31,706 INR
HK$2,600 HKD
View
B+
Retailer 10
-
₹35,450 INR
£293 GBP
View
B
Retailer 11
-
₹36,393 INR
$382 USD
View
B
Retailer 12
-
₹47,159 INR
$495 USD
View
B
Retailer 13
-
₹49,826 INR
$523 USD
View
B
Retailer 14
-
₹52,606 INR
$552 USD
View
B
Retailer 15
-
₹90,704 INR
$952 USD
View
Most Expensive
MOH London
LG542212263 · Oct 29
₹1,23,292 INR
£1,019 GBP
View
Price under review
15 more retailers have this diamond
Prices start from ₹11,813 INRSave up to ₹78,890 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 Marquise
₹11,813 INR