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Radiant|Lab Grown|IGI

5.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG667457208

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

Certificate IGI LG667457208

Diamond specifications and retailer prices

From $1,277 AUD
$895 USD
As of November 2, 2026
Save $10,067 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,344 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.09ct lab-grown radiant diamond

This 5.09ct 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 LG667457208 or 667457208. Listed at 16 retailers as of November 2, 2026, with prices from $1,277 to $11,344, a $10,067 spread on the same certified stone. Do Amore Diamonds lists it at $11,344. 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

5.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667457208
Dimensions12.19 × 8.53 × 5.83 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm8.53 mm5.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667457208
Side View
Table 60.0%Crown 36.8°Girdle: MED-STKPavilion 35°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 2
Current: $11,344 AUD|Low: $1,227 AUD|High: $11,344 AUD|Avg: $3,192 AUD
Do Amore Diamonds
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
November 2, 2026
Retailer 11$1,277 AUD
Retailer 3$1,390 AUD
Retailer 4$1,483 AUD
Retailer 12$1,483 AUD
Retailer 5$1,727 AUD
Retailer 2$1,830 AUD
Retailer 14$2,088 AUD
Retailer 7$2,524 AUD
Retailer 13$3,066 AUD
Retailer 10$3,298 AUD
Retailer 6$3,995 AUD
Retailer 9$4,366 AUD
Retailer 8$5,547 AUD
Do Amore Diamonds$11,344 AUD

42 data points across 14 retailers

16 retailers$1,277 AUD to $11,344 AUD

A
Cheapest Retailer
-
$1,277 AUD
$895 USD
A
Retailer 2
-
$1,390 AUD
$974 USD
View
A
Retailer 3
-
$1,483 AUD
$1,039 USD
View
Retailer 4
-
$1,483 AUD
$1,039 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$1,558 AUD
$1,092 USD
View
B+
Retailer 6
-
$1,727 AUD
$1,210 USD
View
B+
Retailer 7
-
$1,734 AUD
$1,215 USD
View
B+
Retailer 8
-
$1,830 AUD
£1,010 GBP
View
B+
Retailer 9
-
$2,088 AUD
$1,463 USD
View
B+
Retailer 10
-
$2,524 AUD
£1,393 GBP
View
B
Retailer 11
-
$3,066 AUD
$2,149 USD
View
B
Retailer 12
-
$3,298 AUD
$2,311 USD
View
B
Retailer 13
-
$3,995 AUD
$2,800 USD
View
B
Retailer 14
-
$4,366 AUD
$3,060 USD
View
B
Retailer 15
-
$5,547 AUD
£3,061 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8CFCF22D3 · Nov 2
$11,344 AUD
$7,950 USD
View
15 more retailers have this diamond
Prices start from $1,277 AUDSave up to $10,067 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
5.09ct Radiant
$1,277 AUD