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Radiant|Lab Grown|IGI

1.72ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG530215270

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

Certificate IGI LG530215270

Diamond specifications and retailer prices

From £244 GBP
$327 USD
As of November 2, 2026
Save £976 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,220 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530215270 or 530215270. Listed at 14 retailers as of October 29, 2026, with prices from £244 to £1,220, a £976 spread on the same certified stone. MOH London lists it at £1,220. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530215270
Dimensions7.68 × 5.83 × 4.04 mm
L/W Ratio1.32
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
7.68 mm5.83 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530215270
Side View
Table 66.5%Crown 45.8°Girdle: Slightly ThickPavilion 30.2°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £1,220 GBP|Low: £234 GBP|High: £1,227 GBP|Avg: £588 GBP|+4.7%
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
November 2, 2026
Retailer 9£244 GBP
Retailer 5£272 GBP
Retailer 13£283 GBP
Retailer 3£303 GBP
Retailer 10£303 GBP
Retailer 7£418 GBP
Retailer 12£490 GBP
Retailer 4£501 GBP
Retailer 2£541 GBP
Retailer 8£888 GBP
Retailer 11£973 GBP
Retailer 6£1,142 GBP
MOH London£1,220 GBP

42 data points across 13 retailers

14 retailers£244 GBP to £1,220 GBP

A
Cheapest Retailer
-
£244 GBP
$327 USD
A
Retailer 2
-
£272 GBP
$365 USD
View
Final sale: no returns
A
Retailer 3
-
£283 GBP
$379 USD
View
Retailer 4
-
£303 GBP
$406 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£303 GBP
$406 USD
View
A
Retailer 6
-
£418 GBP
$560 USD
View
B+
Retailer 7
-
£490 GBP
$657 USD
View
B+
Retailer 8
-
£501 GBP
$671 USD
View
B+
Retailer 9
-
£541 GBP
View
B+
Retailer 10
-
£621 GBP
HK$6,500 HKD
View
B
Retailer 11
-
£888 GBP
$1,190 USD
View
B
Retailer 12
-
£973 GBP
$1,304 USD
View
B
Retailer 13
-
£1,142 GBP
$1,530 USD
View
Most Expensive
B
MOH London
LG530215270 · Oct 29
£1,220 GBP
View
13 more retailers have this diamond
Prices start from £244 GBPSave up to £976 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
1.72ct Radiant
£244 GBP