Round|Lab Grown|IGI

0.51ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG848694458

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848694458

Diamond specifications and retailer prices

From £123 GBP
$165 USD
As of October 30, 2026
Save £213 GBP (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £336 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG848694458 or 848694458. Listed at 7 retailers as of October 30, 2026, with prices from £123 to £336, a £213 spread on the same certified stone. Taylor and Hart lists it at £336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848694458
Dimensions5.17 × 5.19 × 3.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.17 mm5.19 mm0.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848694458
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.1%

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 30
Current: £173 GBP|Low: £123 GBP|High: £358 GBP|Avg: £233 GBP|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
October 31, 2026
Retailer 4£123 GBP
Retailer 5£172 GBP
Retailer 1£173 GBP
Retailer 2£255 GBP
Retailer 3£263 GBP
Taylor and Hart£336 GBP

9 data points across 6 retailers

7 retailers£123 GBP to £336 GBP

A
Cheapest Retailer
-
£123 GBP
$165 USD
A
Retailer 2
-
£149 GBP
$200 USD
View
B+
Retailer 3
-
£172 GBP
€220 EUR
View
A
Retailer 4
-
£173 GBP
View
B+
Retailer 5
-
£255 GBP
$342 USD
View
B+
Retailer 6
-
£263 GBP
$353 USD
View
Most Expensive
B
Taylor and Hart
L3OJ8RR · Oct 31
£336 GBP
$450 USD
View
6 more retailers have this diamond
Prices start from £123 GBPSave up to £213 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
£123 GBP