CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG440011400

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG440011400

Diamond specifications and retailer prices

From ₹28,948 INR
$305 USD
As of November 2, 2026
Save ₹1,14,972 INR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹1,43,920 INR at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440011400 or 440011400. Listed at 12 retailers as of November 1, 2026, with prices from ₹28,948 to ₹1,43,920, a ₹1,14,972 spread on the same certified stone. MOH London lists it at ₹1,43,920. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440011400
Dimensions7.93 × 4.24 × 2.60 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.93 mm4.24 mm0.51 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440011400
Side View
Table 55.5%Crown 35.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.3%

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: ₹1,43,920 INR|Low: ₹27,809 INR|High: ₹1,45,607 INR|Avg: ₹71,202 INR
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
November 1, 2026
Retailer 11₹28,948 INR
Retailer 9₹30,371 INR
Retailer 3₹32,459 INR
Retailer 8₹32,649 INR
Retailer 15₹33,598 INR
Retailer 12₹35,876 INR
Retailer 16₹35,876 INR
Retailer 5₹50,777 INR
Retailer 14₹58,559 INR
Retailer 2₹65,673 INR
Retailer 6₹70,613 INR
Retailer 10₹1,10,380 INR
Retailer 13₹1,15,411 INR
Retailer 4₹1,36,146 INR
MOH London₹1,43,920 INR
Retailer 7₹1,44,281 INR

23 data points across 16 retailers

12 retailers₹28,948 INR to ₹1,43,920 INR

A
Cheapest Retailer
-
₹28,948 INR
$305 USD
A
Retailer 2
-
₹30,371 INR
$320 USD
View
B+
Retailer 3
-
₹32,459 INR
$342 USD
View
Final sale: no returns
B+
Retailer 4
-
₹33,598 INR
$354 USD
View
Retailer 5
-
₹35,876 INR
$378 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
₹35,876 INR
$378 USD
View
B
Retailer 7
-
₹58,559 INR
$617 USD
View
B
Retailer 8
-
₹65,673 INR
€659 EUR
View
B
Retailer 9
-
₹1,10,380 INR
$1,163 USD
View
B
Retailer 10
-
₹1,15,411 INR
$1,216 USD
View
B
Retailer 11
-
₹1,36,146 INR
$1,434 USD
View
Most Expensive
B
MOH London
LG440011400 · Nov 1
₹1,43,920 INR
£1,194 GBP
View
11 more retailers have this diamond
Prices start from ₹28,948 INRSave up to ₹1,14,972 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
₹28,948 INR