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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 $581 NZD
$327 USD
As of November 2, 2026
Save $2,324 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,905 NZD 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 $581 to $2,905, a $2,324 spread on the same certified stone. MOH London lists it at $2,905. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,905 NZD|Low: $558 NZD|High: $2,923 NZD|Avg: $1,400 NZD|+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$581 NZD
Retailer 5$649 NZD
Retailer 13$674 NZD
Retailer 3$722 NZD
Retailer 10$722 NZD
Retailer 7$995 NZD
Retailer 12$1,168 NZD
Retailer 4$1,193 NZD
Retailer 2$1,289 NZD
Retailer 8$2,115 NZD
Retailer 11$2,318 NZD
Retailer 6$2,719 NZD
MOH London$2,905 NZD

42 data points across 13 retailers

14 retailers$581 NZD to $2,905 NZD

A
Cheapest Retailer
-
$581 NZD
$327 USD
A
Retailer 2
-
$649 NZD
$365 USD
View
Final sale: no returns
A
Retailer 3
-
$674 NZD
$379 USD
View
Retailer 4
-
$722 NZD
$406 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$722 NZD
$406 USD
View
A
Retailer 6
-
$995 NZD
$560 USD
View
B+
Retailer 7
-
$1,168 NZD
$657 USD
View
B+
Retailer 8
-
$1,193 NZD
$671 USD
View
B+
Retailer 9
-
$1,289 NZD
£571 GBP
View
B+
Retailer 10
-
$1,479 NZD
HK$6,500 HKD
View
B
Retailer 11
-
$2,115 NZD
$1,190 USD
View
B
Retailer 12
-
$2,318 NZD
$1,304 USD
View
B
Retailer 13
-
$2,719 NZD
$1,530 USD
View
Most Expensive
B
MOH London
LG530215270 · Oct 29
$2,905 NZD
£1,287 GBP
View
13 more retailers have this diamond
Prices start from $581 NZDSave up to $2,324 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
$581 NZD