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 $4,790 NZD
£2,122 GBP
As of November 2, 2026
Save $31,680 NZD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $36,470 NZD 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 $4,790 to $36,470, a $31,680 spread on the same certified stone. Brilliant Earth lists it at $36,470. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $36,470 NZD|Low: $4,788 NZD|High: $36,470 NZD|Avg: $10,609 NZD
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 3, 2026
Retailer 12$4,790 NZD
Retailer 16$5,142 NZD
Retailer 6$5,758 NZD
Retailer 3$5,965 NZD
Retailer 8$5,965 NZD
Retailer 15$5,972 NZD
Retailer 10$7,689 NZD
Retailer 9$7,980 NZD
Retailer 5$8,197 NZD
Retailer 4$9,272 NZD
Retailer 11$9,447 NZD
Retailer 2$14,981 NZD
Retailer 13$16,050 NZD
Retailer 7$16,585 NZD
Retailer 14$17,730 NZD
Brilliant Earth$36,470 NZD

37 data points across 16 retailers

20 retailers$4,790 NZD to $36,470 NZD

A
Cheapest Retailer
-
$4,790 NZD
£2,122 GBP
Retailer 2
-
$5,142 NZD
$2,893 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$5,593 NZD
$3,147 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$5,758 NZD
$3,240 USD
View
Final sale: no returns
Retailer 5
-
$5,965 NZD
$3,356 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$5,965 NZD
$3,356 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$5,972 NZD
$3,360 USD
View
A
Retailer 8
-
$6,759 NZD
$3,803 USD
View
A
Retailer 9
-
$7,689 NZD
$4,326 USD
View
B+
Retailer 10
-
$7,980 NZD
£3,535 GBP
View
Retailer 11
-
$8,197 NZD
$4,612 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$9,272 NZD
$5,217 USD
View
B+
Retailer 13
-
$9,447 NZD
€5,062 EUR
View
B+
Retailer 14
-
$10,293 NZD
£4,560 GBP
View
B
Retailer 15
-
$14,981 NZD
$8,429 USD
View
B
Retailer 16
-
$16,050 NZD
A$13,893 AUD
View
B
Retailer 17
-
$16,585 NZD
$9,331 USD
View
B
Retailer 18
-
$17,730 NZD
$9,976 USD
View
B
Retailer 19
-
$20,777 NZD
$11,690 USD
View
Most Expensive
B
Brilliant Earth
20601945A · Nov 2
$36,470 NZD
$20,520 USD
View
19 more retailers have this diamond
Prices start from $4,790 NZDSave up to $31,680 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
12.63ct Radiant
$4,790 NZD