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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG649405924

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

Certificate IGI LG649405924

Diamond specifications and retailer prices

From $328 AUD
$230 USD
As of November 1, 2026
Save $1,035 AUD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,363 AUD at MOH London · As of October 29, 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 LG649405924 or 649405924. Listed at 12 retailers as of October 29, 2026, with prices from $328 to $1,363, a $1,035 spread on the same certified stone. MOH London lists it at $1,363. 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 angle43.6°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405924
Dimensions7.18 × 4.93 × 3.23 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm4.93 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405924
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 32.7°Culet: NoneDepth 65.5%

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: $1,363 AUD|Low: $328 AUD|High: $1,372 AUD|Avg: $641 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$328 AUD
Retailer 4$484 AUD
Retailer 2$513 AUD
Retailer 5$611 AUD
Retailer 3$642 AUD
MOH London$1,363 AUD

42 data points across 6 retailers

12 retailers$328 AUD to $1,363 AUD

A
Cheapest Retailer
-
$328 AUD
$230 USD
A
Retailer 2
-
$484 AUD
$339 USD
View
A
Retailer 3
-
$513 AUD
£283 GBP
View
Retailer 4
-
$549 AUD
$385 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$556 AUD
$390 USD
View
Retailer 6
-
$564 AUD
$395 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$599 AUD
$420 USD
View
B+
Retailer 8
-
$611 AUD
$428 USD
View
B+
Retailer 9
-
$642 AUD
$450 USD
View
B+
Retailer 10
-
$649 AUD
$455 USD
View
B
Retailer 11
-
$1,169 AUD
£645 GBP
View
Most Expensive
B
MOH London
LG649405924 · Oct 29
$1,363 AUD
£752 GBP
View
11 more retailers have this diamond
Prices start from $328 AUDSave up to $1,035 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
1.00ct Radiant
$328 AUD