CaratHunter
Plans
Radiant|Lab Grown|IGI

0.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG770687114

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG770687114

Diamond specifications and retailer prices

From £105 GBP
HK$1,100 HKD
As of November 1, 2026
Save £171 GBP (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £662 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770687114 or 770687114. Listed at 17 retailers as of November 1, 2026, with a 163% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770687114
Dimensions5.28 × 3.85 × 3.07 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.28 mm3.85 mm0.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770687114
Side View
Table 66.0%Crown 44.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 79.7%

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: Nov 1
Current: £662 GBP|Low: £72 GBP|High: £700 GBP|Avg: £242 GBP|-4.5%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 17£72 GBP
Retailer 14£84 GBP
Retailer 6£96 GBP
Retailer 8£105 GBP
Retailer 16£166 GBP
Retailer 15£171 GBP
Retailer 12£171 GBP
Retailer 5£185 GBP
Retailer 2£203 GBP
Retailer 13£246 GBP
Retailer 11£250 GBP
Retailer 10£253 GBP
Retailer 4£262 GBP
Retailer 9£276 GBP
Retailer 3£289 GBP
Retailer 7£477 GBP
MOH London£662 GBP

42 data points across 17 retailers

17 retailers£105 GBP to £276 GBP

Retailer 1
-
£72 GBP
$97 USD
Price last confirmed 10 days ago
Retailer 2
-
£84 GBP
$113 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£96 GBP
$129 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£105 GBP
HK$1,100 HKD
View
A
Retailer 5
-
£166 GBP
€212 EUR
View
Retailer 6
-
£171 GBP
$230 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£171 GBP
View
Retailer 8
-
£185 GBP
$248 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£203 GBP
$272 USD
View
Retailer 10
-
£246 GBP
View
Price last confirmed 7 days ago
B
Retailer 11
-
£250 GBP
$335 USD
View
B+
Retailer 12
-
£253 GBP
SGD 458 SGD
View
Retailer 13
-
£262 GBP
$352 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
£276 GBP
$370 USD
View
Retailer 15
-
£289 GBP
$388 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£477 GBP
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG770687114 · Oct 26
£662 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from £105 GBPSave up to £171 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 Radiant
£105 GBP