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Radiant|Lab Grown|IGI

1.72ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG566307425

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

Certificate IGI LG566307425

Diamond specifications and retailer prices

From $261 AUD
$183 USD
As of October 27, 2026
Save $2,250 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,511 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 very-good cut grade and certified by IGI LG566307425 or 566307425. Listed at 12 retailers as of October 27, 2026, with prices from $261 to $2,511, a $2,250 spread on the same certified stone. Do Amore Diamonds lists it at $2,511. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566307425
Dimensions8.38 × 5.85 × 3.99 mm
L/W Ratio1.43
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
8.38 mm5.85 mm1.72 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566307425
Side View
Table 66.5%Crown 45.8°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.2%

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 27
Current: $2,511 AUD|Low: $208 AUD|High: $2,597 AUD|Avg: $1,092 AUD|-3.3%
Do Amore Diamonds
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
Retailer 16
October 29, 2026
Retailer 13$261 AUD
Retailer 10$303 AUD
Retailer 3$304 AUD
Retailer 2$460 AUD
Retailer 12$569 AUD
Retailer 6$609 AUD
Retailer 7$775 AUD
Retailer 8$970 AUD
Retailer 11$1,100 AUD
Retailer 5$1,124 AUD
Retailer 14$1,149 AUD
Retailer 16$1,495 AUD
Retailer 9$1,673 AUD
Retailer 15$1,784 AUD
Retailer 4$2,026 AUD
Do Amore Diamonds$2,511 AUD

26 data points across 16 retailers

12 retailers$261 AUD to $2,511 AUD

A
Cheapest Retailer
-
$261 AUD
$183 USD
A
Retailer 2
-
$303 AUD
$212 USD
View
A
Retailer 3
-
$304 AUD
$213 USD
View
Final sale: no returns
A
Retailer 4
-
$460 AUD
£254 GBP
View
B+
Retailer 5
-
$569 AUD
$399 USD
View
Retailer 6
-
$1,100 AUD
$771 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,149 AUD
$805 USD
View
B
Retailer 8
-
$1,495 AUD
$1,048 USD
View
Retailer 9
-
$1,673 AUD
£923 GBP
View
Price last confirmed 7 days ago
Retailer 10
-
$1,784 AUD
$1,250 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$2,026 AUD
$1,420 USD
View
Most Expensive
B
Do Amore Diamonds
27-802109B26 · Oct 29
$2,511 AUD
$1,760 USD
View
11 more retailers have this diamond
Prices start from $261 AUDSave up to $2,250 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
$261 AUD