CaratHunter
Plans
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 £75 GBP
$101 USD
As of October 29, 2026
Save £616 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £691 GBP 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 £75 to £691, a £616 spread on the same certified stone. MOH London lists it at £691. 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
Colour
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: £691 GBP|Low: £75 GBP|High: £691 GBP|Avg: £244 GBP
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£75 GBP
Retailer 14£84 GBP
Retailer 12£87 GBP
Retailer 3£100 GBP
Retailer 9£100 GBP
Retailer 7£169 GBP
Retailer 6£190 GBP
Retailer 2£202 GBP
Retailer 8£238 GBP
Retailer 11£301 GBP
Retailer 13£322 GBP
Retailer 10£335 GBP
Retailer 5£345 GBP
MOH London£691 GBP

9 data points across 14 retailers

14 retailers£75 GBP to £691 GBP

A
Cheapest Retailer
-
£75 GBP
$101 USD
A
Retailer 2
-
£84 GBP
$112 USD
View
Final sale: no returns
A
Retailer 3
-
£87 GBP
$117 USD
View
A
Retailer 4
-
£100 GBP
$134 USD
View
A
Retailer 5
-
£100 GBP
$134 USD
View
A
Retailer 6
-
£169 GBP
ZAR 3,660 ZAR
View
A
Retailer 7
-
£190 GBP
$255 USD
View
A
Retailer 8
-
£202 GBP
$270 USD
View
A
Retailer 9
-
£238 GBP
A$491 AUD
View
B+
Retailer 10
-
£301 GBP
$403 USD
View
B+
Retailer 11
-
£322 GBP
$431 USD
View
B+
Retailer 12
-
£335 GBP
$449 USD
View
B+
Retailer 13
-
£345 GBP
$462 USD
View
Most Expensive
B
MOH London
LG844675651 · Oct 29
£691 GBP
View
13 more retailers have this diamond
Prices start from £75 GBPSave up to £616 GBP

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
£75 GBP