Marquise|Lab Grown|IGI

0.51ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG844673318

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844673318

Diamond specifications and retailer prices

From $392 AUD
As of November 1, 2026
Save $241 AUD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,664 AUD at MOH London · As of November 2, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844673318 or 844673318. Listed at 8 retailers as of November 1, 2026, with a 61% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844673318
Dimensions8.01 × 4.04 × 2.65 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.01 mm4.04 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844673318
Side View
Table 58.0%Crown 29.2°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,664 AUD|Low: $366 AUD|High: $1,666 AUD|Avg: $616 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 7$366 AUD
Retailer 6$392 AUD
Retailer 2$398 AUD
Retailer 3$399 AUD
Retailer 4$480 AUD
Retailer 8$590 AUD
Retailer 5$633 AUD
MOH London$1,664 AUD

12 data points across 8 retailers

8 retailers$392 AUD to $633 AUD

Retailer 1
-
$366 AUD
Price last confirmed 11 days ago
B+
Retailer 2
-
$392 AUD
View
B+
Retailer 3
-
$398 AUD
View
B+
Retailer 4
-
$399 AUD
View
B+
Retailer 5
-
$480 AUD
View
B
Retailer 6
-
$590 AUD
View
B
Retailer 7
-
$633 AUD
View
Most Expensive
MOH London
LG844673318 · Nov 2
$1,664 AUD
£919 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $392 AUDSave up to $241 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.

B+
0.51ct Marquise
$392 AUD