Round|Lab Grown|IGI

0.51ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG844675651

Shape and cutting style on the report: Round brilliant

Certificate IGI LG844675651

Diamond specifications and retailer prices

From $101 USD
As of October 29, 2026
Save $825 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $926 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844675651 or 844675651. Listed at 14 retailers as of October 29, 2026, with prices from $101 to $926, a $825 spread on the same certified stone. MOH London lists it at $926. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844675651
Dimensions5.22 × 5.19 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.22 mm5.19 mm0.51 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844675651
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 41.5°Culet: NoneDepth 60.7%

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: Oct 29
Current: $926 USD|Low: $101 USD|High: $926 USD|Avg: $327 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
October 30, 2026
Retailer 4$101 USD
Retailer 14$112 USD
Retailer 12$117 USD
Retailer 3$134 USD
Retailer 9$134 USD
Retailer 7$227 USD
Retailer 6$255 USD
Retailer 2$270 USD
Retailer 8$319 USD
Retailer 11$403 USD
Retailer 13$431 USD
Retailer 10$449 USD
Retailer 5$462 USD
MOH London$926 USD

9 data points across 14 retailers

14 retailers$101 USD to $926 USD

A
Cheapest Retailer
-
$101 USD
A
Retailer 2
-
$112 USD
View
Final sale: no returns
A
Retailer 3
-
$117 USD
View
A
Retailer 4
-
$134 USD
View
A
Retailer 5
-
$134 USD
View
A
Retailer 6
-
$227 USD
ZAR 3,660 ZAR
View
A
Retailer 7
-
$255 USD
View
A
Retailer 8
-
$270 USD
View
A
Retailer 9
-
$319 USD
A$491 AUD
View
B+
Retailer 10
-
$403 USD
View
B+
Retailer 11
-
$431 USD
View
B+
Retailer 12
-
$449 USD
View
B+
Retailer 13
-
$462 USD
View
Most Expensive
B
MOH London
LG844675651 · Oct 29
$926 USD
£729 GBP
View
13 more retailers have this diamond
Prices start from $101 USDSave up to $825 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 Round
$101 USD