Marquise|Lab Grown|IGI

0.51ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG846653574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846653574

Diamond specifications and retailer prices

From $126 USD
As of October 23, 2026
Save $425 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,297 USD at MOH London · As of October 25, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846653574 or 846653574. Listed at 18 retailers as of October 23, 2026, with a 337% 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
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846653574
Dimensions8.78 × 4.04 × 2.45 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.78 mm4.04 mm0.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846653574
Side View
Table 63.0%Crown 38°Girdle: MED-THKPavilion 39°Culet: NoneDepth 60.6%

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 23
Current: $1,297 USD|Low: $126 USD|High: $1,297 USD|Avg: $368 USD
MOH London
Retailer 2
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Retailer 8
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Retailer 11
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Retailer 19
October 26, 2026
Retailer 10$126 USD
Retailer 15$139 USD
Retailer 6$145 USD
Retailer 5$165 USD
Retailer 18$165 USD
Retailer 19$210 USD
Retailer 3$272 USD
Retailer 11$278 USD
Retailer 16$301 USD
Retailer 7$386 USD
Retailer 13$391 USD
Retailer 17$423 USD
Retailer 9$431 USD
Retailer 2$456 USD
Retailer 8$474 USD
Retailer 4$499 USD
Retailer 14$522 USD
Retailer 12$551 USD
MOH London$1,297 USD

7 data points across 19 retailers

18 retailers$126 USD to $551 USD

A
Cheapest Retailer
-
$126 USD
A
Retailer 2
-
$145 USD
View
A
Retailer 3
-
$165 USD
View
A
Retailer 4
-
$165 USD
View
A
Retailer 5
-
$210 USD
View
A
Retailer 6
-
$272 USD
€259 EUR
View
Retailer 7
-
$278 USD
ZAR 4,498 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$301 USD
£237 GBP
View
B+
Retailer 9
-
$386 USD
A$594 AUD
View
B+
Retailer 10
-
$391 USD
A$602 AUD
View
B+
Retailer 11
-
$423 USD
£333 GBP
View
B+
Retailer 12
-
$431 USD
SGD 582 SGD
View
B+
Retailer 13
-
$456 USD
View
B
Retailer 14
-
$474 USD
View
B
Retailer 15
-
$499 USD
View
B
Retailer 16
-
$522 USD
View
B+
Retailer 17
-
$551 USD
View
Most Expensive
MOH London
LG846653574 · Oct 25
$1,297 USD
£1,021 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $126 USDSave up to $425 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
$126 USD