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 $257 USD
€245 EUR
As of October 25, 2026
Save $187 USD (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,168 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $1,168 USD|Low: $257 USD|High: $1,168 USD|Avg: $432 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 7$257 USD
Retailer 6$275 USD
Retailer 3$280 USD
Retailer 2$282 USD
Retailer 4$338 USD
Retailer 8$414 USD
Retailer 5$444 USD
MOH London$1,168 USD

7 data points across 8 retailers

8 retailers$257 USD to $444 USD

A
Cheapest Retailer
-
$257 USD
€245 EUR
B+
Retailer 2
-
$275 USD
View
B+
Retailer 3
-
$280 USD
View
B+
Retailer 4
-
$282 USD
£222 GBP
View
B+
Retailer 5
-
$338 USD
£266 GBP
View
B
Retailer 6
-
$414 USD
View
B
Retailer 7
-
$444 USD
View
Most Expensive
MOH London
LG844673318 · Oct 26
$1,168 USD
£920 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $257 USDSave up to $187 USD

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
$257 USD