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Radiant|Lab Grown|IGI

1.81ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG508137673

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

Certificate IGI LG508137673

Diamond specifications and retailer prices

From £881 GBP
$1,180 USD
As of October 30, 2026
Save £2,350 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,891 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown radiant diamond

This 1.81ct 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 LG508137673 or 508137673. Listed at 11 retailers as of October 30, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508137673
Dimensions7.74 × 6.01 × 4.20 mm
L/W Ratio1.29
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
7.74 mm6.01 mm1.81 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508137673
Side View
Table 68.5%Crown 48.9°Girdle: STK-THKPavilion 31.2°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,891 GBP|Low: £881 GBP|High: £4,930 GBP|Avg: £2,622 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2£881 GBP
Retailer 5£1,703 GBP
Retailer 11£1,791 GBP
Retailer 9£1,829 GBP
Retailer 10£2,180 GBP
Retailer 7£2,341 GBP
Retailer 6£2,667 GBP
Retailer 4£2,797 GBP
Retailer 8£3,230 GBP
Retailer 3£3,813 GBP
MOH London£4,891 GBP

16 data points across 11 retailers

11 retailers£881 GBP to £3,230 GBP

B+
Cheapest Retailer
-
£881 GBP
$1,180 USD
B
Retailer 2
-
£1,469 GBP
$1,968 USD
View
B
Retailer 3
-
£1,598 GBP
$2,141 USD
View
Retailer 4
-
£1,703 GBP
$2,282 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
£1,703 GBP
$2,282 USD
View
B
Retailer 6
-
£1,829 GBP
$2,450 USD
View
B
Retailer 7
-
£2,341 GBP
$3,137 USD
View
B
Retailer 8
-
£2,667 GBP
$3,573 USD
View
B
Retailer 9
-
£2,797 GBP
$3,748 USD
View
B
Retailer 10
-
£3,230 GBP
View
Most Expensive
MOH London
LG508137673 · Oct 29
£4,891 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £881 GBPSave up to £2,350 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.

B+
1.81ct Radiant
£881 GBP