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Radiant|Lab Grown|IGI

1.55ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG778666150

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

Certificate IGI LG778666150

Diamond specifications and retailer prices

From £154 GBP
$206 USD
As of November 2, 2026
Save £736 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £890 GBP at MOH London · As of November 2, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778666150 or 778666150. Listed at 17 retailers as of November 2, 2026, with prices from £154 to £890, a £736 spread on the same certified stone. MOH London lists it at £890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778666150
Dimensions8.31 × 3.72 × 3.72 mm
L/W Ratio2.23
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.31 mm3.72 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778666150
Side View
Table 64.0%Crown 38°Girdle: MediumPavilion 33.5°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
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: Nov 2
Current: £890 GBP|Low: £148 GBP|High: £890 GBP|Avg: £461 GBP|+14.1%
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
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Retailer 17
November 3, 2026
Retailer 17£154 GBP
Retailer 16£171 GBP
Retailer 11£178 GBP
Retailer 6£190 GBP
Retailer 7£192 GBP
Retailer 3£329 GBP
Retailer 2£350 GBP
Retailer 14£367 GBP
Retailer 15£438 GBP
Retailer 10£504 GBP
Retailer 12£612 GBP
Retailer 4£619 GBP
Retailer 5£651 GBP
Retailer 8£656 GBP
Retailer 13£774 GBP
Retailer 9£775 GBP
MOH London£890 GBP

35 data points across 17 retailers

17 retailers£154 GBP to £890 GBP

A
Cheapest Retailer
-
£154 GBP
$206 USD
A
Retailer 2
-
£171 GBP
$230 USD
View
Final sale: no returns
A
Retailer 3
-
£178 GBP
$239 USD
View
A
Retailer 4
-
£190 GBP
$255 USD
View
Retailer 5
-
£192 GBP
$257 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
£329 GBP
$442 USD
View
A
Retailer 7
-
£350 GBP
View
A
Retailer 8
-
£367 GBP
$493 USD
View
A
Retailer 9
-
£438 GBP
$588 USD
View
B+
Retailer 10
-
£504 GBP
$677 USD
View
B+
Retailer 11
-
£612 GBP
$821 USD
View
B+
Retailer 12
-
£619 GBP
SGD 1,123 SGD
View
B+
Retailer 13
-
£651 GBP
$874 USD
View
B
Retailer 14
-
£656 GBP
$880 USD
View
B
Retailer 15
-
£774 GBP
$1,039 USD
View
B
Retailer 16
-
£775 GBP
$1,040 USD
View
Most Expensive
B
MOH London
LG778666150 · Nov 2
£890 GBP
View
16 more retailers have this diamond
Prices start from £154 GBPSave up to £736 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
£154 GBP