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Oval|Lab Grown|IGI

0.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG445039118

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039118

Diamond specifications and retailer prices

From $336 USD
As of November 1, 2026
Save $1,343 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,679 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG445039118 or 445039118. Listed at 14 retailers as of October 29, 2026, with prices from $336 to $1,679, a $1,343 spread on the same certified stone. MOH London lists it at $1,679. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039118
Dimensions6.54 × 4.37 × 2.77 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.54 mm4.37 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445039118
Side View
Table 60.5%Crown 34.5°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.4%

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 1
Current: $1,679 USD|Low: $323 USD|High: $1,690 USD|Avg: $888 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
October 31, 2026
Retailer 10$336 USD
Retailer 14$375 USD
Retailer 11$380 USD
Retailer 12$417 USD
Retailer 15$417 USD
Retailer 4$570 USD
Retailer 13$673 USD
Retailer 2$752 USD
Retailer 8$754 USD
Retailer 5$794 USD
Retailer 9$1,222 USD
Retailer 3$1,523 USD
Retailer 6$1,615 USD
Retailer 7$1,674 USD
MOH London$1,679 USD

25 data points across 15 retailers

14 retailers$336 USD to $1,679 USD

A
Cheapest Retailer
-
$336 USD
A
Retailer 2
-
$375 USD
View
Final sale: no returns
A
Retailer 3
-
$380 USD
View
A
Retailer 4
-
$390 USD
View
A
Retailer 5
-
$417 USD
View
Retailer 6
-
$417 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$673 USD
View
B+
Retailer 8
-
$752 USD
€716 EUR
View
B+
Retailer 9
-
$754 USD
ZAR 12,177 ZAR
View
B
Retailer 10
-
$1,222 USD
View
B
Retailer 11
-
$1,340 USD
View
B
Retailer 12
-
$1,523 USD
View
B
Retailer 13
-
$1,615 USD
£1,272 GBP
View
Most Expensive
B
MOH London
LG445039118 · Oct 29
$1,679 USD
£1,322 GBP
View
13 more retailers have this diamond
Prices start from $336 USDSave up to $1,343 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 Oval
$336 USD