Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG523263448

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

Certificate IGI LG523263448

Diamond specifications and retailer prices

From $386 NZD
$217 USD
As of November 2, 2026
Save $1,531 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,916 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523263448 or 523263448. Listed at 14 retailers as of November 1, 2026, with prices from $386 to $1,916, a $1,531 spread on the same certified stone. MOH London lists it at $1,916. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263448
Dimensions6.63 × 5.03 × 3.36 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
6.63 mm5.03 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263448
Side View
Table 69.5%Crown 41°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 66.8%

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: Nov 2
Current: $1,916 NZD|Low: $370 NZD|High: $2,000 NZD|Avg: $867 NZD|-4.2%
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 8$386 NZD
Retailer 5$430 NZD
Retailer 13$448 NZD
Retailer 3$478 NZD
Retailer 10$478 NZD
Retailer 2$620 NZD
Retailer 12$821 NZD
Retailer 6$888 NZD
Retailer 4$894 NZD
Retailer 9$960 NZD
Retailer 11$1,537 NZD
Retailer 7$1,543 NZD
MOH London$1,916 NZD

44 data points across 13 retailers

14 retailers$386 NZD to $1,916 NZD

A
Cheapest Retailer
-
$386 NZD
$217 USD
A
Retailer 2
-
$430 NZD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$448 NZD
$252 USD
View
Retailer 4
-
$478 NZD
$269 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$478 NZD
$269 USD
View
A
Retailer 6
-
$620 NZD
£275 GBP
View
B+
Retailer 7
-
$821 NZD
$462 USD
View
B+
Retailer 8
-
$888 NZD
£393 GBP
View
B+
Retailer 9
-
$894 NZD
$503 USD
View
B+
Retailer 10
-
$960 NZD
$540 USD
View
B+
Retailer 11
-
$978 NZD
HK$4,300 HKD
View
B
Retailer 12
-
$1,537 NZD
$865 USD
View
B
Retailer 13
-
$1,543 NZD
$868 USD
View
Most Expensive
B
MOH London
LG523263448 · Nov 1
$1,916 NZD
£849 GBP
View
13 more retailers have this diamond
Prices start from $386 NZDSave up to $1,531 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
1.00ct Radiant
$386 NZD