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Radiant|Lab Grown|IGI

5.03ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG618479306

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

Certificate IGI LG618479306

Diamond specifications and retailer prices

From $679 AUD
$477 USD
As of November 2, 2026
Save $4,958 AUD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,637 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.03ct lab-grown radiant diamond

This 5.03ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618479306 or 618479306. Listed at 15 retailers as of October 31, 2026, with prices from $679 to $5,637, a $4,958 spread on the same certified stone. Brilliant Earth lists it at $5,637. 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

5.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618479306
Dimensions12.15 × 8.41 × 5.69 mm
L/W Ratio1.44
Culet sizePointed
Top View
12.15 mm8.41 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618479306
Side View
Table 65.0%Crown 43.8°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.7%

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: $5,637 AUD|Low: $679 AUD|High: $5,637 AUD|Avg: $1,963 AUD
Brilliant Earth
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
November 2, 2026
Retailer 3$679 AUD
Retailer 12$762 AUD
Retailer 6$843 AUD
Retailer 8$843 AUD
Retailer 16$886 AUD
Retailer 7$1,315 AUD
Retailer 11$1,317 AUD
Retailer 9$1,360 AUD
Retailer 2$1,399 AUD
Retailer 5$1,483 AUD
Retailer 15$1,804 AUD
Retailer 13$2,265 AUD
Retailer 4$2,709 AUD
Retailer 10$3,112 AUD
Retailer 14$4,378 AUD
Brilliant Earth$5,637 AUD

36 data points across 16 retailers

15 retailers$679 AUD to $5,637 AUD

A
Cheapest Retailer
-
$679 AUD
$477 USD
A
Retailer 2
-
$762 AUD
$535 USD
View
A
Retailer 3
-
$843 AUD
$592 USD
View
Retailer 4
-
$843 AUD
$592 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
$1,315 AUD
$924 USD
View
B+
Retailer 6
-
$1,317 AUD
$925 USD
View
A
Retailer 7
-
$1,360 AUD
€910 EUR
View
A
Retailer 8
-
$1,399 AUD
£774 GBP
View
A
Retailer 9
-
$1,483 AUD
$1,042 USD
View
B+
Retailer 10
-
$1,804 AUD
$1,267 USD
View
B+
Retailer 11
-
$2,265 AUD
$1,591 USD
View
B+
Retailer 12
-
$2,709 AUD
$1,903 USD
View
B
Retailer 13
-
$3,112 AUD
£1,721 GBP
View
B
Retailer 14
-
$4,378 AUD
$3,075 USD
View
Most Expensive
B
Brilliant Earth
9017152A · Oct 31
$5,637 AUD
$3,960 USD
View
14 more retailers have this diamond
Prices start from $679 AUDSave up to $4,958 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
5.03ct Radiant
$679 AUD