Radiant|Lab Grown|IGI

12.63ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG618403861

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

Certificate IGI LG618403861

Diamond specifications and retailer prices

From $3,845 AUD
£2,122 GBP
As of November 2, 2026
Save $25,435 AUD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $29,280 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.63ct lab-grown radiant diamond

This 12.63ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618403861 or 618403861. Listed at 20 retailers as of November 2, 2026, with prices from $3,845 to $29,280, a $25,435 spread on the same certified stone. Brilliant Earth lists it at $29,280. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.63
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618403861
Dimensions11.00 × 11.00 × 7.45 mm
L/W Ratio1.00
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
11.00 mm11.00 mm12.63 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618403861
Side View
Table 68.0%Crown 45.7°Girdle: MED-STKPavilion 29.6°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $29,280 AUD|Low: $3,844 AUD|High: $29,280 AUD|Avg: $8,497 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 10$3,845 AUD
Retailer 16$4,128 AUD
Retailer 6$4,623 AUD
Retailer 3$4,789 AUD
Retailer 8$4,789 AUD
Retailer 14$4,794 AUD
Retailer 2$6,173 AUD
Retailer 11$6,416 AUD
Retailer 5$6,581 AUD
Retailer 4$7,444 AUD
Retailer 9$7,584 AUD
Retailer 15$11,437 AUD
Retailer 12$12,886 AUD
Retailer 7$13,315 AUD
Retailer 13$14,235 AUD
Brilliant Earth$29,280 AUD

37 data points across 16 retailers

20 retailers$3,845 AUD to $29,280 AUD

A
Cheapest Retailer
-
$3,845 AUD
£2,122 GBP
Retailer 2
-
$4,128 AUD
$2,893 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$4,490 AUD
$3,147 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$4,623 AUD
$3,240 USD
View
Final sale: no returns
Retailer 5
-
$4,789 AUD
$3,356 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,789 AUD
$3,356 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$4,794 AUD
$3,360 USD
View
A
Retailer 8
-
$5,427 AUD
$3,803 USD
View
A
Retailer 9
-
$6,173 AUD
$4,326 USD
View
B+
Retailer 10
-
$6,416 AUD
£3,541 GBP
View
Retailer 11
-
$6,581 AUD
$4,612 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$7,444 AUD
$5,217 USD
View
B+
Retailer 13
-
$7,584 AUD
€5,062 EUR
View
B+
Retailer 14
-
$8,263 AUD
£4,560 GBP
View
B
Retailer 15
-
$11,437 AUD
$8,015 USD
View
B
Retailer 16
-
$12,886 AUD
View
B
Retailer 17
-
$13,315 AUD
$9,331 USD
View
B
Retailer 18
-
$14,235 AUD
$9,976 USD
View
B
Retailer 19
-
$16,681 AUD
$11,690 USD
View
Most Expensive
B
Brilliant Earth
20601945A · Nov 2
$29,280 AUD
$20,520 USD
View
19 more retailers have this diamond
Prices start from $3,845 AUDSave up to $25,435 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
12.63ct Radiant
$3,845 AUD