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Marquise|Lab Grown|IGI

0.51ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG436045420

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045420

Diamond specifications and retailer prices

From $500 AUD
As of November 4, 2026
Save $1,927 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,428 AUD at MOH London · As of November 3, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG436045420 or 436045420. Listed at 15 retailers as of November 3, 2026, with prices from $500 to $2,428, a $1,927 spread on the same certified stone. MOH London lists it at $2,428. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045420
Dimensions7.75 × 4.30 × 2.72 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.75 mm4.30 mm0.51 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045420
Side View
Table 59.5%Crown 35.8°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 63.3%

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 4
Current: $2,428 AUD|Low: $480 AUD|High: $2,496 AUD|Avg: $1,316 AUD
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
Retailer 17
Retailer 18
November 4, 2026
Retailer 15$500 AUD
Retailer 16$542 AUD
Retailer 6$560 AUD
Retailer 4$582 AUD
Retailer 5$622 AUD
Retailer 17$622 AUD
Retailer 8$834 AUD
Retailer 3$996 AUD
Retailer 12$1,115 AUD
Retailer 11$1,128 AUD
Retailer 9$1,167 AUD
Retailer 2$1,582 AUD
Retailer 13$1,822 AUD
Retailer 18$1,997 AUD
Retailer 7$2,232 AUD
Retailer 14$2,411 AUD
MOH London$2,428 AUD
Retailer 10$2,496 AUD

30 data points across 18 retailers

15 retailers$500 AUD to $2,428 AUD

A
Cheapest Retailer
-
$500 AUD
B+
Retailer 2
-
$542 AUD
View
B+
Retailer 3
-
$560 AUD
View
Final sale: no returns
B+
Retailer 4
-
$582 AUD
View
Retailer 5
-
$622 AUD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$622 AUD
View
B
Retailer 7
-
$996 AUD
View
Retailer 8
-
$1,115 AUD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$1,128 AUD
View
B
Retailer 10
-
$1,582 AUD
View
B
Retailer 11
-
$1,822 AUD
View
B
Retailer 12
-
$1,997 AUD
View
B
Retailer 13
-
$2,232 AUD
View
B
Retailer 14
-
$2,411 AUD
View
Most Expensive
B
MOH London
LG436045420 · Nov 3
$2,428 AUD
£1,341 GBP
View
14 more retailers have this diamond
Prices start from $500 AUDSave up to $1,927 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
$500 AUD