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Radiant|Lab Grown|IGI

1.72ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG573303673

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

Certificate IGI LG573303673

Diamond specifications and retailer prices

From £449 GBP
$601 USD
As of October 31, 2026
Save £1,628 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,077 GBP at MOH London · As of October 26, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG573303673 or 573303673. Listed at 15 retailers as of October 26, 2026, with prices from £449 to £2,077, a £1,628 spread on the same certified stone. MOH London lists it at £2,077. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.72
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573303673
Dimensions8.30 × 5.93 × 3.79 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm5.93 mm1.72 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573303673
Side View
Table 64.0%Crown 39.5°Girdle: STK-THKPavilion 32.3°Culet: NoneDepth 63.9%

Caratlytics Score

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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: Oct 31
Current: £2,077 GBP|Low: £444 GBP|High: £2,253 GBP|Avg: £1,060 GBP|-2.4%
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
Retailer 14
Retailer 15
October 28, 2026
Retailer 3£449 GBP
Retailer 6£513 GBP
Retailer 9£528 GBP
Retailer 11£597 GBP
Retailer 5£666 GBP
Retailer 4£767 GBP
Retailer 10£770 GBP
Retailer 2£854 GBP
Retailer 12£1,011 GBP
Retailer 7£1,325 GBP
Retailer 13£1,445 GBP
Retailer 15£1,600 GBP
Retailer 14£1,614 GBP
Retailer 8£1,693 GBP
MOH London£2,077 GBP

22 data points across 15 retailers

15 retailers£449 GBP to £2,077 GBP

A
Cheapest Retailer
-
£449 GBP
$601 USD
Final sale: no returns
Retailer 2
-
£513 GBP
$688 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£528 GBP
View
A
Retailer 4
-
£597 GBP
$800 USD
View
A
Retailer 5
-
£666 GBP
$892 USD
View
A
Retailer 6
-
£767 GBP
$1,028 USD
View
A
Retailer 7
-
£770 GBP
View
B+
Retailer 8
-
£854 GBP
ZAR 18,483 ZAR
View
B+
Retailer 9
-
£1,011 GBP
$1,355 USD
View
B
Retailer 10
-
£1,325 GBP
$1,776 USD
View
B
Retailer 11
-
£1,445 GBP
View
B
Retailer 12
-
£1,600 GBP
$2,144 USD
View
B
Retailer 13
-
£1,614 GBP
$2,162 USD
View
B
Retailer 14
-
£1,693 GBP
$2,269 USD
View
Most Expensive
B
MOH London
LG573303673 · Oct 26
£2,077 GBP
View
14 more retailers have this diamond
Prices start from £449 GBPSave up to £1,628 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
£449 GBP