CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436047200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047200

Diamond specifications and retailer prices

From $435 AUD
As of November 4, 2026
Save $1,721 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,156 AUD at MOH London · As of November 5, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436047200 or 436047200. Listed at 13 retailers as of November 4, 2026, with prices from $435 to $2,156, a $1,721 spread on the same certified stone. MOH London lists it at $2,156. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047200
Dimensions7.80 × 4.28 × 2.72 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.80 mm4.28 mm0.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047200
Side View
Table 57.0%Crown 32.9°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.6%

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 4
Current: $2,156 AUD|Low: $418 AUD|High: $2,187 AUD|Avg: $1,103 AUD|-0.3%
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 5, 2026
Retailer 11$435 AUD
Retailer 4$488 AUD
Retailer 16$505 AUD
Retailer 12$513 AUD
Retailer 3$539 AUD
Retailer 13$539 AUD
Retailer 5$763 AUD
Retailer 15$880 AUD
Retailer 9$978 AUD
Retailer 2$988 AUD
Retailer 6$1,061 AUD
Retailer 10$1,658 AUD
Retailer 14$1,733 AUD
Retailer 7$2,107 AUD
MOH London$2,156 AUD
Retailer 8$2,167 AUD

28 data points across 16 retailers

13 retailers$435 AUD to $2,156 AUD

A
Cheapest Retailer
-
$435 AUD
A
Retailer 2
-
$488 AUD
View
Final sale: no returns
A
Retailer 3
-
$505 AUD
View
B+
Retailer 4
-
$513 AUD
View
Retailer 5
-
$539 AUD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$539 AUD
View
B
Retailer 7
-
$880 AUD
View
B
Retailer 8
-
$978 AUD
View
B
Retailer 9
-
$988 AUD
View
B
Retailer 10
-
$1,658 AUD
View
B
Retailer 11
-
$1,733 AUD
View
B
Retailer 12
-
$2,107 AUD
View
Most Expensive
B
MOH London
LG436047200 · Nov 5
$2,156 AUD
£1,191 GBP
View
12 more retailers have this diamond
Prices start from $435 AUDSave up to $1,721 AUD

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
$435 AUD