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Round|Lab Grown|IGI

12.26ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG619458256

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619458256

Diamond specifications and retailer prices

From $3,442 USD
£2,710 GBP
As of November 1, 2026
Save $23,168 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,610 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.26ct lab-grown round diamond

This 12.26ct lab-grown round 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 LG619458256 or 619458256. Listed at 22 retailers as of October 31, 2026, with prices from $3,442 to $26,610, a $23,168 spread on the same certified stone. Brilliant Earth lists it at $26,610. 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

12.26
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619458256
Dimensions14.72 × 14.80 × 9.13 mm
L/W Ratio1.01
Girdle conditionFaceted
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
14.72 mm14.80 mm12.26 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619458256
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.9%

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 1
Current: $26,610 USD|Low: $3,441 USD|High: $26,610 USD|Avg: $7,901 USD
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 1, 2026
Retailer 2$3,442 USD
Retailer 4$3,694 USD
Retailer 7$4,137 USD
Retailer 5$4,285 USD
Retailer 12$4,440 USD
Retailer 3$5,223 USD
Retailer 10$5,580 USD
Retailer 13$6,633 USD
Retailer 6$6,642 USD
Retailer 11$6,881 USD
Retailer 15$8,043 USD
Retailer 14$10,073 USD
Retailer 16$10,281 USD
Retailer 9$10,732 USD
Retailer 8$11,897 USD
Brilliant Earth$26,610 USD

34 data points across 16 retailers

22 retailers$3,442 USD to $26,610 USD

A
Cheapest Retailer
-
$3,442 USD
£2,710 GBP
Retailer 2
-
$3,694 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$4,019 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$4,137 USD
View
Final sale: no returns
Retailer 5
-
$4,285 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$4,285 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$4,440 USD
View
A
Retailer 8
-
$4,560 USD
View
A
Retailer 9
-
$5,223 USD
View
Retailer 10
-
$5,355 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$5,580 USD
£4,393 GBP
View
B+
Retailer 12
-
$6,633 USD
ZAR 107,154 ZAR
View
Retailer 13
-
$6,642 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$6,881 USD
€6,553 EUR
View
Retailer 15
-
$7,171 USD
View
Price last confirmed 52 days ago
Retailer 16
-
$8,043 USD
A$12,374 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$10,073 USD
View
B
Retailer 18
-
$10,281 USD
View
B+
Retailer 19
-
$10,732 USD
A$16,511 AUD
View
B
Retailer 20
-
$11,897 USD
View
B
Retailer 21
-
$15,131 USD
View
Most Expensive
B
Brilliant Earth
20602440A · Oct 31
$26,610 USD
View
21 more retailers have this diamond
Prices start from $3,442 USDSave up to $23,168 USD

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
12.26ct Round
$3,442 USD