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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 $3,974 AUD
$2,785 USD
As of November 3, 2026
Save $18,200 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $22,174 AUD 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 $3,974 to $22,174, a $18,200 spread on the same certified stone. Do Amore Diamonds lists it at $22,174. 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 3
Current: $22,174 AUD|Low: $3,853 AUD|High: $33,974 AUD|Avg: $11,350 AUD|-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 3, 2026
Retailer 10$3,974 AUD
Retailer 5$4,680 AUD
Retailer 2$5,572 AUD
Retailer 9$5,730 AUD
Retailer 8$5,837 AUD
Retailer 7$6,389 AUD
Retailer 6$7,646 AUD
Retailer 3$7,829 AUD
Retailer 13$9,981 AUD
Retailer 11$11,310 AUD
Retailer 12$14,401 AUD
Retailer 4$18,007 AUD
Do Amore Diamonds$22,174 AUD

23 data points across 13 retailers

14 retailers$3,974 AUD to $22,174 AUD

A
Cheapest Retailer
-
$3,974 AUD
$2,785 USD
Retailer 2
-
$4,680 AUD
$3,280 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$5,429 AUD
$3,805 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$5,572 AUD
£3,075 GBP
View
A
Retailer 5
-
$5,730 AUD
$4,016 USD
View
A
Retailer 6
-
$5,837 AUD
$4,091 USD
View
B+
Retailer 7
-
$6,389 AUD
ZAR 72,333 ZAR
View
B+
Retailer 8
-
$7,646 AUD
View
B+
Retailer 9
-
$7,829 AUD
£4,320 GBP
View
B+
Retailer 10
-
$9,981 AUD
$6,995 USD
View
B
Retailer 11
-
$11,310 AUD
$7,926 USD
View
B
Retailer 12
-
$14,401 AUD
$10,092 USD
View
B
Retailer 13
-
$18,007 AUD
$12,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-F05DAB451 · Nov 2
$22,174 AUD
$15,540 USD
View
13 more retailers have this diamond
Prices start from $3,974 AUDSave up to $18,200 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
12.56ct Radiant
$3,974 AUD