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Marquise|Lab Grown|IGI

0.51ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG818643765

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818643765

Diamond specifications and retailer prices

From $147 USD
As of November 4, 2026
Save $794 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,420 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818643765 or 818643765. Listed at 14 retailers as of November 4, 2026, with a 540% 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
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818643765
Dimensions8.30 × 4.25 × 2.55 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm4.25 mm0.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818643765
Side View
Table 57.0%Crown 31.9°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 60.0%

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: $1,420 USD|Low: $118 USD|High: $1,420 USD|Avg: $538 USD
Do Amore Diamonds
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
November 4, 2026
Retailer 13$147 USD
Retailer 4$171 USD
Retailer 5$248 USD
Retailer 11$260 USD
Retailer 7$275 USD
Retailer 9$340 USD
Retailer 10$343 USD
Retailer 8$514 USD
Retailer 12$621 USD
Retailer 14$649 USD
Retailer 6$721 USD
Retailer 3$730 USD
Retailer 2$941 USD
Do Amore Diamonds$1,420 USD

27 data points across 14 retailers

14 retailers$147 USD to $941 USD

A
Cheapest Retailer
-
$147 USD
A
Retailer 2
-
$171 USD
View
A
Retailer 3
-
$248 USD
View
A
Retailer 4
-
$260 USD
View
A
Retailer 5
-
$275 USD
View
B+
Retailer 6
-
$340 USD
View
Retailer 7
-
$343 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$514 USD
View
B
Retailer 9
-
$621 USD
View
B
Retailer 10
-
$649 USD
View
B
Retailer 11
-
$721 USD
View
B
Retailer 12
-
$730 USD
View
B
Retailer 13
-
$941 USD
View
Most Expensive
Do Amore Diamonds
27-03E5DEFFC · Nov 4
$1,420 USD
View
Price under review
13 more retailers have this diamond
Prices start from $147 USDSave up to $794 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
$147 USD