Marquise|Lab Grown|IGI

0.51ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843636695

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843636695

Diamond specifications and retailer prices

From £306 GBP
$410 USD
As of October 26, 2026
19 retailers carry this diamond
Most expensive: £834 GBP at MOH London · As of October 21, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843636695 or 843636695. Listed at 19 retailers as of October 26, 2026. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843636695
Dimensions8.60 × 4.10 × 2.50 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.60 mm4.10 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843636695
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £834 GBP|Low: £79 GBP|High: £834 GBP|Avg: £251 GBP
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 26, 2026
Retailer 6£79 GBP
Retailer 7£88 GBP
Retailer 16£91 GBP
Retailer 14£104 GBP
Retailer 10£105 GBP
Retailer 11£136 GBP
Retailer 9£174 GBP
Retailer 13£176 GBP
Retailer 15£181 GBP
Retailer 18£229 GBP
Retailer 5£250 GBP
Retailer 2£265 GBP
Retailer 3£274 GBP
Retailer 17£281 GBP
Retailer 12£313 GBP
Retailer 4£325 GBP
Retailer 8£351 GBP
Retailer 19£356 GBP
MOH London£834 GBP

7 data points across 19 retailers

19 retailers

Retailer 1
-
£79 GBP
$106 USD
Price last confirmed 9 days ago
Retailer 2
-
£91 GBP
$122 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£104 GBP
$139 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£105 GBP
$141 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£136 GBP
$182 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£174 GBP
ZAR 3,770 ZAR
View
Price last confirmed 10 days ago
Retailer 7
-
£176 GBP
€225 EUR
View
Price last confirmed 8 days ago
Retailer 8
-
£181 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£229 GBP
A$473 AUD
View
Price last confirmed 8 days ago
Retailer 10
-
£250 GBP
A$516 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
£265 GBP
View
Price last confirmed 7 days ago
Retailer 12
-
£274 GBP
SGD 497 SGD
View
Price last confirmed 9 days ago
Retailer 13
-
£281 GBP
$376 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£306 GBP
$410 USD
View
Retailer 15
-
£313 GBP
$419 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£325 GBP
$436 USD
View
Price last confirmed 8 days ago
Retailer 17
-
£351 GBP
$470 USD
View
Price last confirmed 10 days ago
Retailer 18
-
£356 GBP
$477 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG843636695 · Oct 21
£834 GBP
View
Price under review
18 more retailers have this diamond
Prices start from £306 GBP

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.

B+
0.51ct Marquise
£306 GBP