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Radiant|Lab Grown|IGI

12.56ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG830606169

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

Certificate IGI LG830606169

Diamond specifications and retailer prices

From $4,950 NZD
$2,785 USD
As of November 2, 2026
Save $22,669 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $27,619 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 12.56ct lab-grown radiant diamond

This 12.56ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830606169 or 830606169. Listed at 14 retailers as of November 2, 2026, with prices from $4,950 to $27,619, a $22,669 spread on the same certified stone. Do Amore Diamonds lists it at $27,619. 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

12.56
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830606169
Dimensions16.45 × 11.62 × 7.84 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.45 mm11.62 mm12.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830606169
Side View
Table 69.0%Crown 26.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 67.5%

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 2
Current: $27,619 NZD|Low: $4,799 NZD|High: $42,318 NZD|Avg: $14,260 NZD|-18.9%
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
November 2, 2026
Retailer 10$4,950 NZD
Retailer 5$5,830 NZD
Retailer 2$6,883 NZD
Retailer 9$7,138 NZD
Retailer 8$7,271 NZD
Retailer 7$7,958 NZD
Retailer 6$9,524 NZD
Retailer 3$9,751 NZD
Retailer 13$12,432 NZD
Retailer 11$14,087 NZD
Retailer 12$17,937 NZD
Retailer 4$22,430 NZD
Do Amore Diamonds$27,619 NZD

22 data points across 13 retailers

14 retailers$4,950 NZD to $27,619 NZD

A
Cheapest Retailer
-
$4,950 NZD
$2,785 USD
Retailer 2
-
$5,830 NZD
$3,280 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$6,763 NZD
$3,805 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$6,883 NZD
£3,049 GBP
View
A
Retailer 5
-
$7,138 NZD
$4,016 USD
View
A
Retailer 6
-
$7,271 NZD
$4,091 USD
View
B+
Retailer 7
-
$7,958 NZD
ZAR 72,333 ZAR
View
B+
Retailer 8
-
$9,524 NZD
A$8,244 AUD
View
B+
Retailer 9
-
$9,751 NZD
£4,320 GBP
View
B+
Retailer 10
-
$12,432 NZD
$6,995 USD
View
B
Retailer 11
-
$14,087 NZD
$7,926 USD
View
B
Retailer 12
-
$17,937 NZD
$10,092 USD
View
B
Retailer 13
-
$22,430 NZD
$12,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-F05DAB451 · Nov 2
$27,619 NZD
$15,540 USD
View
13 more retailers have this diamond
Prices start from $4,950 NZDSave up to $22,669 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
12.56ct Radiant
$4,950 NZD