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Radiant|Lab Grown|IGI

1.51ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG777612934

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

Certificate IGI LG777612934

Diamond specifications and retailer prices

From £146 GBP
As of November 4, 2026
Save £699 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £845 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777612934 or 777612934. Listed at 15 retailers as of November 2, 2026, with prices from £146 to £845, a £699 spread on the same certified stone. MOH London lists it at £845. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777612934
Dimensions7.83 × 5.64 × 3.71 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm5.64 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777612934
Side View
Table 66.0%Crown 49.3°Girdle: MED-STKPavilionCulet: NoneDepth 65.8%

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 4
Current: £845 GBP|Low: £141 GBP|High: £875 GBP|Avg: £394 GBP|-2.2%
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
November 4, 2026
Retailer 14£146 GBP
Retailer 13£163 GBP
Retailer 9£169 GBP
Retailer 5£181 GBP
Retailer 6£181 GBP
Retailer 8£312 GBP
Retailer 15£314 GBP
Retailer 7£327 GBP
Retailer 12£427 GBP
Retailer 11£471 GBP
Retailer 2£519 GBP
Retailer 10£581 GBP
Retailer 3£590 GBP
Retailer 4£620 GBP
MOH London£845 GBP

33 data points across 15 retailers

15 retailers£146 GBP to £845 GBP

A
Cheapest Retailer
-
£146 GBP
A
Retailer 2
-
£163 GBP
View
Final sale: no returns
A
Retailer 3
-
£169 GBP
View
A
Retailer 4
-
£181 GBP
View
Retailer 5
-
£181 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£312 GBP
View
B+
Retailer 7
-
£314 GBP
View
A
Retailer 8
-
£327 GBP
View
A
Retailer 9
-
£427 GBP
View
B+
Retailer 10
-
£471 GBP
View
B+
Retailer 11
-
£519 GBP
View
B+
Retailer 12
-
£581 GBP
View
B+
Retailer 13
-
£590 GBP
View
B+
Retailer 14
-
£620 GBP
View
Most Expensive
B
MOH London
LG777612934 · Nov 2
£845 GBP
View
14 more retailers have this diamond
Prices start from £146 GBPSave up to £699 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
1.51ct Radiant
£146 GBP