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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 $325 NZD
$183 USD
As of October 27, 2026
Save $2,803 NZD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,128 NZD 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 $325 to $3,128, a $2,803 spread on the same certified stone. Do Amore Diamonds lists it at $3,128. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,128 NZD|Low: $259 NZD|High: $3,235 NZD|Avg: $1,361 NZD|-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$325 NZD
Retailer 10$377 NZD
Retailer 3$379 NZD
Retailer 2$573 NZD
Retailer 12$709 NZD
Retailer 6$759 NZD
Retailer 7$965 NZD
Retailer 8$1,208 NZD
Retailer 11$1,370 NZD
Retailer 5$1,401 NZD
Retailer 14$1,431 NZD
Retailer 16$1,863 NZD
Retailer 9$2,083 NZD
Retailer 15$2,222 NZD
Retailer 4$2,524 NZD
Do Amore Diamonds$3,128 NZD

26 data points across 16 retailers

12 retailers$325 NZD to $3,128 NZD

A
Cheapest Retailer
-
$325 NZD
$183 USD
A
Retailer 2
-
$377 NZD
$212 USD
View
A
Retailer 3
-
$379 NZD
$213 USD
View
Final sale: no returns
A
Retailer 4
-
$573 NZD
£254 GBP
View
B+
Retailer 5
-
$709 NZD
$399 USD
View
Retailer 6
-
$1,370 NZD
$771 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,431 NZD
$805 USD
View
B
Retailer 8
-
$1,863 NZD
$1,048 USD
View
B
Retailer 9
-
$2,083 NZD
£923 GBP
View
Retailer 10
-
$2,222 NZD
$1,250 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$2,524 NZD
$1,420 USD
View
Most Expensive
B
Do Amore Diamonds
27-802109B26 · Oct 29
$3,128 NZD
$1,760 USD
View
11 more retailers have this diamond
Prices start from $325 NZDSave up to $2,803 NZD

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
$325 NZD