Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG797674528

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

Certificate IGI LG797674528

Diamond specifications and retailer prices

From £81 GBP
$109 USD
As of October 30, 2026
Save £763 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £845 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG797674528 or 797674528. Listed at 18 retailers as of October 26, 2026, with prices from £81 to £845, a £763 spread on the same certified stone. MOH London lists it at £845. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797674528
Dimensions5.42 × 3.94 × 2.95 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.42 mm3.94 mm0.51 ctD / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797674528
Side View
Table 67.0%Crown 30.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 74.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £845 GBP|Low: £78 GBP|High: £853 GBP|Avg: £250 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9£81 GBP
Retailer 12£91 GBP
Retailer 11£95 GBP
Retailer 10£107 GBP
Retailer 7£160 GBP
Retailer 5£183 GBP
Retailer 4£185 GBP
Retailer 2£202 GBP
Retailer 8£237 GBP
Retailer 6£244 GBP
Retailer 3£535 GBP
MOH London£845 GBP

43 data points across 12 retailers

18 retailers£81 GBP to £845 GBP

A
Cheapest Retailer
-
£81 GBP
$109 USD
B+
Retailer 2
-
£91 GBP
$122 USD
View
Final sale: no returns
B+
Retailer 3
-
£95 GBP
$127 USD
View
B+
Retailer 4
-
£107 GBP
$144 USD
View
B+
Retailer 5
-
£115 GBP
HK$1,200 HKD
View
B+
Retailer 6
-
£142 GBP
$190 USD
View
Retailer 7
-
£160 GBP
$215 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£183 GBP
€234 EUR
View
B+
Retailer 9
-
£185 GBP
$248 USD
View
B+
Retailer 10
-
£202 GBP
View
B
Retailer 11
-
£237 GBP
$317 USD
View
B
Retailer 12
-
£244 GBP
View
B
Retailer 13
-
£286 GBP
SGD 517 SGD
View
B
Retailer 14
-
£310 GBP
$416 USD
View
B
Retailer 15
-
£368 GBP
$493 USD
View
C
Retailer 16
-
£535 GBP
View
C
Retailer 17
-
£674 GBP
$904 USD
View
Most Expensive
B
MOH London
LG797674528 · Oct 26
£845 GBP
View
17 more retailers have this diamond
Prices start from £81 GBPSave up to £763 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
£81 GBP