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Radiant|Lab Grown|IGI

1.72ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG512202829

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

Certificate IGI LG512202829

Diamond specifications and retailer prices

From £925 GBP
$1,240 USD
As of October 30, 2026
Save £2,111 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,651 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.72ct lab-grown radiant diamond

This 1.72ct 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 LG512202829 or 512202829. Listed at 11 retailers as of October 28, 2026, with a 228% 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

1.72
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512202829
Dimensions8.43 × 6.04 × 3.96 mm
L/W Ratio1.40
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
8.43 mm6.04 mm1.72 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512202829
Side View
Table 69.0%Crown 46.6°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.6%

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: £4,651 GBP|Low: £925 GBP|High: £4,688 GBP|Avg: £2,448 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
Retailer 12
Retailer 13
October 30, 2026
Retailer 2£925 GBP
Retailer 7£1,396 GBP
Retailer 11£1,520 GBP
Retailer 8£1,620 GBP
Retailer 4£1,729 GBP
Retailer 13£1,746 GBP
Retailer 3£2,146 GBP
Retailer 9£2,539 GBP
Retailer 6£2,725 GBP
Retailer 10£3,036 GBP
Retailer 12£3,355 GBP
Retailer 5£3,626 GBP
MOH London£4,651 GBP

18 data points across 13 retailers

11 retailers£925 GBP to £3,036 GBP

B+
Cheapest Retailer
-
£925 GBP
$1,240 USD
B
Retailer 2
-
£1,396 GBP
$1,871 USD
View
B
Retailer 3
-
£1,520 GBP
$2,036 USD
View
Retailer 4
-
£1,620 GBP
$2,171 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
£1,620 GBP
$2,171 USD
View
B
Retailer 6
-
£1,746 GBP
$2,340 USD
View
B
Retailer 7
-
£2,539 GBP
$3,402 USD
View
B
Retailer 8
-
£2,725 GBP
$3,651 USD
View
B
Retailer 9
-
£3,036 GBP
$4,068 USD
View
Retailer 10
-
£3,355 GBP
View
Price under review
Most Expensive
MOH London
LG512202829 · Oct 29
£4,651 GBP
View
Price under review
10 more retailers have this diamond
Prices start from £925 GBPSave up to £2,111 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+
1.72ct Radiant
£925 GBP