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 €105 EUR
$118 USD
As of October 31, 2026
Save €736 EUR (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,266 EUR at Do Amore Diamonds · As of October 31, 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 October 31, 2026, with a 700% 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: Oct 31
Current: €1,266 EUR|Low: €105 EUR|High: €1,266 EUR|Avg: €482 EUR
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 1, 2026
Retailer 4€105 EUR
Retailer 12€131 EUR
Retailer 3€152 EUR
Retailer 5€221 EUR
Retailer 10€232 EUR
Retailer 7€303 EUR
Retailer 9€306 EUR
Retailer 8€458 EUR
Retailer 11€554 EUR
Retailer 13€579 EUR
Retailer 6€643 EUR
Retailer 14€651 EUR
Retailer 2€841 EUR
Do Amore Diamonds€1,266 EUR

26 data points across 14 retailers

14 retailers€105 EUR to €841 EUR

A
Cheapest Retailer
-
€105 EUR
$118 USD
A
Retailer 2
-
€131 EUR
$147 USD
View
A
Retailer 3
-
€152 EUR
$171 USD
View
A
Retailer 4
-
€221 EUR
$248 USD
View
A
Retailer 5
-
€232 EUR
$260 USD
View
B+
Retailer 6
-
€303 EUR
View
Retailer 7
-
€306 EUR
A$528 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
€458 EUR
A$790 AUD
View
B
Retailer 9
-
€554 EUR
$621 USD
View
B
Retailer 10
-
€579 EUR
$649 USD
View
B
Retailer 11
-
€643 EUR
SGD 975 SGD
View
B
Retailer 12
-
€651 EUR
$731 USD
View
B
Retailer 13
-
€841 EUR
£743 GBP
View
Most Expensive
Do Amore Diamonds
27-03E5DEFFC · Oct 31
€1,266 EUR
$1,420 USD
View
Price under review
13 more retailers have this diamond
Prices start from €105 EURSave up to €736 EUR

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
€105 EUR