Radiant|Lab Grown|IGI

1.50ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG577380186

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

Certificate IGI LG577380186

Diamond specifications and retailer prices

From £139 GBP
$187 USD
As of November 2, 2026
Save £758 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £897 GBP at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577380186 or 577380186. Listed at 18 retailers as of November 2, 2026, with prices from £139 to £897, a £758 spread on the same certified stone. Flawless Fine Jewelry lists it at £897. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577380186
Dimensions8.34 × 5.50 × 3.77 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.34 mm5.50 mm1.50 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577380186
Side View
Table 67.0%Crown 49.2°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.5%

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: £897 GBP|Low: £133 GBP|High: £1,244 GBP|Avg: £506 GBP|+29.5%
Flawless Fine Jewelry
Retailer 2
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Retailer 12
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Retailer 19
November 3, 2026
Retailer 7£139 GBP
Retailer 3£156 GBP
Retailer 15£161 GBP
Retailer 14£172 GBP
Retailer 17£232 GBP
Retailer 18£248 GBP
Retailer 2£249 GBP
Retailer 19£320 GBP
Retailer 9£354 GBP
Retailer 13£412 GBP
Retailer 8£450 GBP
Retailer 5£554 GBP
Retailer 4£594 GBP
Retailer 10£672 GBP
Retailer 6£678 GBP
Retailer 12£805 GBP
Retailer 16£857 GBP
Flawless Fine Jewelry£897 GBP
Retailer 11£1,244 GBP

32 data points across 19 retailers

18 retailers£139 GBP to £897 GBP

A
Cheapest Retailer
-
£139 GBP
$187 USD
A
Retailer 2
-
£156 GBP
$209 USD
View
Final sale: no returns
A
Retailer 3
-
£161 GBP
$216 USD
View
Retailer 4
-
£172 GBP
$231 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£232 GBP
$312 USD
View
A
Retailer 6
-
£248 GBP
HK$2,600 HKD
View
B+
Retailer 7
-
£249 GBP
$334 USD
View
A
Retailer 8
-
£320 GBP
$429 USD
View
A
Retailer 9
-
£412 GBP
$553 USD
View
B+
Retailer 10
-
£541 GBP
View
B+
Retailer 11
-
£554 GBP
$744 USD
View
B+
Retailer 12
-
£556 GBP
$746 USD
View
B+
Retailer 13
-
£594 GBP
$798 USD
View
B+
Retailer 14
-
£672 GBP
CA$1,253 CAD
View
B+
Retailer 15
-
£678 GBP
$910 USD
View
B+
Retailer 16
-
£805 GBP
View
B
Retailer 17
-
£857 GBP
$1,151 USD
View
Most Expensive
B
Flawless Fine Jewelry
242A25C00 · Nov 3
£897 GBP
View
17 more retailers have this diamond
Prices start from £139 GBPSave up to £758 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
1.50ct Radiant
£139 GBP