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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 $456 NZD
€245 EUR
As of October 25, 2026
Save $331 NZD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,073 NZD at MOH London · As of October 26, 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 October 25, 2026, with a 73% 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 →
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: Oct 25
Current: $2,073 NZD|Low: $456 NZD|High: $2,073 NZD|Avg: $767 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$456 NZD
Retailer 6$488 NZD
Retailer 2$497 NZD
Retailer 3$497 NZD
Retailer 4$599 NZD
Retailer 8$735 NZD
Retailer 5$788 NZD
MOH London$2,073 NZD

8 data points across 8 retailers

8 retailers$456 NZD to $788 NZD

A
Cheapest Retailer
-
$456 NZD
€245 EUR
B+
Retailer 2
-
$488 NZD
$275 USD
View
B+
Retailer 3
-
$497 NZD
£220 GBP
View
B+
Retailer 4
-
$497 NZD
$280 USD
View
B+
Retailer 5
-
$599 NZD
£266 GBP
View
B
Retailer 6
-
$735 NZD
$414 USD
View
B
Retailer 7
-
$788 NZD
$444 USD
View
Most Expensive
MOH London
LG844673318 · Oct 26
$2,073 NZD
£920 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $456 NZDSave up to $331 NZD

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
$456 NZD