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Oval|Lab Grown|IGI

0.51ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG445037917

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037917

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 LG445037917 or 445037917. 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 angle36.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037917
Dimensions6.23 × 4.52 × 2.81 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.23 mm4.52 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037917
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.2%

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: $868 USD|-0.7%
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
October 29, 2026
Retailer 12$336 USD
Retailer 3$375 USD
Retailer 13$380 USD
Retailer 16$390 USD
Retailer 4$417 USD
Retailer 14$417 USD
Retailer 6$570 USD
Retailer 15$673 USD
Retailer 10$752 USD
Retailer 2$754 USD
Retailer 7$794 USD
Retailer 11$1,222 USD
Retailer 17$1,340 USD
Retailer 5$1,523 USD
Retailer 8$1,615 USD
Retailer 9$1,674 USD
MOH London$1,679 USD

27 data points across 17 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
LG445037917 · 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