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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG626489530

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

Certificate IGI LG626489530

Diamond specifications and retailer prices

From $441 NZD
$248 USD
As of November 1, 2026
Save $1,794 NZD (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,235 NZD at MOH London · As of November 2, 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 LG626489530 or 626489530. Listed at 7 retailers as of November 1, 2026, with prices from $441 to $2,235, a $1,794 spread on the same certified stone. MOH London lists it at $2,235. 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 angle49.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626489530
Dimensions7.01 × 4.76 × 3.25 mm
L/W Ratio1.47
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
7.01 mm4.76 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626489530
Side View
Table 68.0%Crown 49.8°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 68.3%

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 1
Current: $2,235 NZD|Low: $419 NZD|High: $2,246 NZD|Avg: $1,250 NZD|+9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$441 NZD
Retailer 6$857 NZD
Retailer 4$1,050 NZD
Retailer 2$1,062 NZD
Retailer 7$1,592 NZD
Retailer 5$2,096 NZD
MOH London$2,235 NZD

31 data points across 7 retailers

7 retailers$441 NZD to $2,235 NZD

A
Cheapest Retailer
-
$441 NZD
$248 USD
B+
Retailer 2
-
$857 NZD
$482 USD
View
B
Retailer 3
-
$1,050 NZD
$591 USD
View
B
Retailer 4
-
$1,062 NZD
£471 GBP
View
B
Retailer 5
-
$1,592 NZD
$896 USD
View
B
Retailer 6
-
$2,096 NZD
$1,179 USD
View
Most Expensive
B
MOH London
LG626489530 · Nov 2
$2,235 NZD
£990 GBP
View
6 more retailers have this diamond
Prices start from $441 NZDSave up to $1,794 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
$441 NZD