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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG765605861

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

Certificate IGI LG765605861

Diamond specifications and retailer prices

From £151 GBP
$202 USD
As of October 30, 2026
Save £725 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £876 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG765605861 or 765605861. Listed at 17 retailers as of October 30, 2026, with prices from £151 to £876, a £725 spread on the same certified stone. MOH London lists it at £876. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765605861
Dimensions7.93 × 5.82 × 3.93 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.82 mm1.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765605861
Side View
Table 64.0%Crown 44.9°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.5%

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: £876 GBP|Low: £147 GBP|High: £901 GBP|Avg: £442 GBP|-2.1%
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 1, 2026
Retailer 16£151 GBP
Retailer 15£168 GBP
Retailer 10£175 GBP
Retailer 5£187 GBP
Retailer 7£188 GBP
Retailer 2£323 GBP
Retailer 17£325 GBP
Retailer 13£381 GBP
Retailer 14£436 GBP
Retailer 6£439 GBP
Retailer 12£487 GBP
Retailer 11£602 GBP
Retailer 3£608 GBP
Retailer 8£638 GBP
Retailer 4£642 GBP
Retailer 9£754 GBP
MOH London£876 GBP

35 data points across 17 retailers

17 retailers£151 GBP to £876 GBP

A
Cheapest Retailer
-
£151 GBP
$202 USD
A
Retailer 2
-
£168 GBP
$225 USD
View
Final sale: no returns
A
Retailer 3
-
£175 GBP
$235 USD
View
A
Retailer 4
-
£187 GBP
$251 USD
View
Retailer 5
-
£188 GBP
$252 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£323 GBP
ZAR 6,999 ZAR
View
B+
Retailer 7
-
£325 GBP
$435 USD
View
A
Retailer 8
-
£381 GBP
$511 USD
View
A
Retailer 9
-
£436 GBP
$584 USD
View
A
Retailer 10
-
£439 GBP
A$905 AUD
View
B+
Retailer 11
-
£487 GBP
$653 USD
View
B+
Retailer 12
-
£602 GBP
$807 USD
View
B+
Retailer 13
-
£608 GBP
SGD 1,100 SGD
View
B+
Retailer 14
-
£638 GBP
$855 USD
View
B+
Retailer 15
-
£642 GBP
$860 USD
View
B+
Retailer 16
-
£754 GBP
$1,010 USD
View
Most Expensive
B
MOH London
LG765605861 · Nov 1
£876 GBP
View
16 more retailers have this diamond
Prices start from £151 GBPSave up to £725 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
1.55ct Radiant
£151 GBP