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Round|Lab Grown|IGI

12.06ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG621415278

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621415278

Diamond specifications and retailer prices

From $3,389 USD
£2,668 GBP
As of November 1, 2026
Save $22,791 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,180 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.06ct lab-grown round diamond

This 12.06ct 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 LG621415278 or 621415278. Listed at 22 retailers as of October 31, 2026, with prices from $3,389 to $26,180, a $22,791 spread on the same certified stone. Brilliant Earth lists it at $26,180. 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

12.06
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621415278
Dimensions14.53 × 14.65 × 9.02 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
14.53 mm14.65 mm12.06 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621415278
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.8%

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: $26,180 USD|Low: $3,388 USD|High: $26,180 USD|Avg: $7,739 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
Retailer 17
Retailer 18
November 1, 2026
Retailer 11$3,389 USD
Retailer 18$3,638 USD
Retailer 16$3,958 USD
Retailer 9$4,074 USD
Retailer 3$4,220 USD
Retailer 15$4,375 USD
Retailer 7$5,242 USD
Retailer 5$5,273 USD
Retailer 13$5,489 USD
Retailer 17$6,531 USD
Retailer 8$6,542 USD
Retailer 14$6,769 USD
Retailer 2$7,899 USD
Retailer 4$9,768 USD
Retailer 6$10,112 USD
Retailer 12$10,553 USD
Retailer 10$11,713 USD
Brilliant Earth$26,180 USD

33 data points across 18 retailers

22 retailers$3,389 USD to $26,180 USD

A
Cheapest Retailer
-
$3,389 USD
£2,668 GBP
A
Retailer 2
-
$3,638 USD
View
A
Retailer 3
-
$3,958 USD
View
A
Retailer 4
-
$4,074 USD
View
Final sale: no returns
A
Retailer 5
-
$4,220 USD
View
Retailer 6
-
$4,220 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$4,375 USD
View
A
Retailer 8
-
$4,494 USD
View
A
Retailer 9
-
$5,242 USD
View
A
Retailer 10
-
$5,273 USD
View
A
Retailer 11
-
$5,489 USD
£4,322 GBP
View
B+
Retailer 12
-
$6,531 USD
ZAR 105,505 ZAR
View
B+
Retailer 13
-
$6,542 USD
View
B+
Retailer 14
-
$6,769 USD
€6,447 EUR
View
Retailer 15
-
$7,111 USD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$7,899 USD
A$12,153 AUD
View
B
Retailer 17
-
$9,768 USD
View
B
Retailer 18
-
$10,112 USD
View
B+
Retailer 19
-
$10,553 USD
A$16,236 AUD
View
B
Retailer 20
-
$11,713 USD
View
B
Retailer 21
-
$14,883 USD
View
Most Expensive
B
Brilliant Earth
20602190A · Oct 31
$26,180 USD
View
21 more retailers have this diamond
Prices start from $3,389 USDSave up to $22,791 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
12.06ct Round
$3,389 USD