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Marquise|Lab Grown|IGI

0.51ct I SI1 Marquise Lab Grown Diamond

VG • I/SI1 • IGI LG414082005

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG414082005

Diamond specifications and retailer prices

From ₹26,016 INR
$274 USD
As of November 2, 2026
Save ₹1,04,097 INR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹1,30,113 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG414082005 or 414082005. Listed at 11 retailers as of October 29, 2026, with prices from ₹26,016 to ₹1,30,113, a ₹1,04,097 spread on the same certified stone. MOH London lists it at ₹1,30,113. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414082005
Dimensions8.50 × 4.28 × 2.54 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.50 mm4.28 mm0.51 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG414082005
Side View
Table 57.5%Crown 33.1°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.3%

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 2
Current: ₹1,30,113 INR|Low: ₹24,972 INR|High: ₹1,31,078 INR|Avg: ₹62,979 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
Retailer 13
Retailer 14
October 30, 2026
Retailer 9₹26,016 INR
Retailer 3₹29,150 INR
Retailer 13₹30,194 INR
Retailer 2₹30,384 INR
Retailer 10₹32,283 INR
Retailer 14₹32,283 INR
Retailer 4₹47,475 INR
Retailer 12₹53,552 INR
Retailer 7₹60,018 INR
Retailer 5₹65,800 INR
Retailer 8₹99,223 INR
Retailer 11₹1,03,875 INR
Retailer 6₹1,29,872 INR
MOH London₹1,30,113 INR

22 data points across 14 retailers

11 retailers₹26,016 INR to ₹1,30,113 INR

A
Cheapest Retailer
-
₹26,016 INR
$274 USD
B+
Retailer 2
-
₹29,150 INR
$307 USD
View
Final sale: no returns
B+
Retailer 3
-
₹30,194 INR
$318 USD
View
B+
Retailer 4
-
₹30,384 INR
$320 USD
View
Retailer 5
-
₹32,283 INR
$340 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
₹32,283 INR
$340 USD
View
B
Retailer 7
-
₹53,552 INR
$564 USD
View
Retailer 8
-
₹60,018 INR
€602 EUR
View
Price last confirmed 7 days ago
B
Retailer 9
-
₹99,223 INR
$1,045 USD
View
C
Retailer 10
-
₹1,03,875 INR
$1,094 USD
View
Most Expensive
B
MOH London
LG414082005 · Oct 29
₹1,30,113 INR
£1,079 GBP
View
10 more retailers have this diamond
Prices start from ₹26,016 INRSave up to ₹1,04,097 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
₹26,016 INR