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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 $856 AUD
$601 USD
As of October 31, 2026
Save $3,106 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,961 AUD 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 $856 to $3,961, a $3,106 spread on the same certified stone. MOH London lists it at $3,961. 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

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: Oct 31
Current: $3,961 AUD|Low: $847 AUD|High: $4,298 AUD|Avg: $2,021 AUD|-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$856 AUD
Retailer 6$979 AUD
Retailer 9$1,008 AUD
Retailer 11$1,139 AUD
Retailer 5$1,270 AUD
Retailer 4$1,463 AUD
Retailer 10$1,469 AUD
Retailer 2$1,629 AUD
Retailer 12$1,929 AUD
Retailer 7$2,528 AUD
Retailer 13$2,755 AUD
Retailer 15$3,052 AUD
Retailer 14$3,078 AUD
Retailer 8$3,229 AUD
MOH London$3,961 AUD

22 data points across 15 retailers

15 retailers$856 AUD to $3,961 AUD

A
Cheapest Retailer
-
$856 AUD
$601 USD
Final sale: no returns
Retailer 2
-
$979 AUD
$688 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,008 AUD
£557 GBP
View
A
Retailer 4
-
$1,139 AUD
$800 USD
View
A
Retailer 5
-
$1,270 AUD
$892 USD
View
A
Retailer 6
-
$1,463 AUD
$1,028 USD
View
A
Retailer 7
-
$1,469 AUD
£813 GBP
View
B+
Retailer 8
-
$1,629 AUD
ZAR 18,483 ZAR
View
B+
Retailer 9
-
$1,929 AUD
$1,355 USD
View
B
Retailer 10
-
$2,528 AUD
$1,776 USD
View
B
Retailer 11
-
$2,755 AUD
£1,524 GBP
View
B
Retailer 12
-
$3,052 AUD
$2,144 USD
View
B
Retailer 13
-
$3,078 AUD
$2,162 USD
View
B
Retailer 14
-
$3,229 AUD
$2,269 USD
View
Most Expensive
B
MOH London
LG573303673 · Oct 26
$3,961 AUD
£2,191 GBP
View
14 more retailers have this diamond
Prices start from $856 AUDSave up to $3,106 AUD

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
$856 AUD