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 $356 USD
£280 GBP
As of October 26, 2026
Save $54 USD (13%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,118 USD 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, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
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

How it works →
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: $1,118 USD|Low: $106 USD|High: $1,118 USD|Avg: $336 USD
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$106 USD
Retailer 7$118 USD
Retailer 16$122 USD
Retailer 14$139 USD
Retailer 10$141 USD
Retailer 11$182 USD
Retailer 9$233 USD
Retailer 13$236 USD
Retailer 15$243 USD
Retailer 18$307 USD
Retailer 5$335 USD
Retailer 2$356 USD
Retailer 3$368 USD
Retailer 17$376 USD
Retailer 12$419 USD
Retailer 4$436 USD
Retailer 8$470 USD
Retailer 19$477 USD
MOH London$1,118 USD

7 data points across 19 retailers

19 retailers$356 USD to $410 USD

Retailer 1
-
$106 USD
Price last confirmed 9 days ago
Retailer 2
-
$122 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$139 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$141 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$182 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$233 USD
ZAR 3,770 ZAR
View
Price last confirmed 9 days ago
Retailer 7
-
$236 USD
€225 EUR
View
Price last confirmed 7 days ago
Retailer 8
-
$243 USD
£191 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
$307 USD
A$473 AUD
View
Price last confirmed 8 days ago
Retailer 10
-
$335 USD
A$516 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$356 USD
£280 GBP
View
Retailer 12
-
$368 USD
SGD 497 SGD
View
Price last confirmed 8 days ago
Retailer 13
-
$376 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$410 USD
View
Retailer 15
-
$419 USD
View
Price last confirmed 7 days ago
Retailer 16
-
$436 USD
View
Price last confirmed 8 days ago
Retailer 17
-
$470 USD
View
Price last confirmed 9 days ago
Retailer 18
-
$477 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG843636695 · Oct 21
$1,118 USD
£880 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $356 USDSave up to $54 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.

B+
0.51ct Marquise
$356 USD