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Marquise|Lab Grown|IGI

0.51ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436047414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047414

Diamond specifications and retailer prices

From $305 USD
As of November 2, 2026
Save $1,219 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,524 USD at MOH London · As of October 29, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436047414 or 436047414. Listed at 13 retailers as of October 29, 2026, with prices from $305 to $1,524, a $1,219 spread on the same certified stone. MOH London lists it at $1,524. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047414
Dimensions7.86 × 4.25 × 2.66 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.86 mm4.25 mm0.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436047414
Side View
Table 61.0%Crown 33.8°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 62.6%

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: Nov 2
Current: $1,524 USD|Low: $293 USD|High: $1,534 USD|Avg: $776 USD|+0.5%
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
November 2, 2026
Retailer 11$305 USD
Retailer 4$342 USD
Retailer 16$354 USD
Retailer 12$360 USD
Retailer 3$378 USD
Retailer 13$378 USD
Retailer 5$535 USD
Retailer 15$617 USD
Retailer 2$687 USD
Retailer 9$692 USD
Retailer 6$744 USD
Retailer 10$1,163 USD
Retailer 14$1,216 USD
Retailer 7$1,478 USD
Retailer 8$1,520 USD
MOH London$1,524 USD

27 data points across 16 retailers

13 retailers$305 USD to $1,524 USD

A
Cheapest Retailer
-
$305 USD
A
Retailer 2
-
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$354 USD
View
B+
Retailer 4
-
$360 USD
View
Retailer 5
-
$378 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$378 USD
View
B
Retailer 7
-
$617 USD
View
B
Retailer 8
-
$687 USD
ZAR 11,097 ZAR
View
Retailer 9
-
$692 USD
€659 EUR
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,163 USD
View
B
Retailer 11
-
$1,216 USD
View
B
Retailer 12
-
$1,478 USD
£1,164 GBP
View
Most Expensive
B
MOH London
LG436047414 · Oct 29
$1,524 USD
£1,200 GBP
View
12 more retailers have this diamond
Prices start from $305 USDSave up to $1,219 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
$305 USD