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Round|Lab Grown|IGI

12.04ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG831680940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831680940

Diamond specifications and retailer prices

From €4,852 EUR
£4,285 GBP
As of November 2, 2026
Save €7,971 EUR (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €12,823 EUR at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 12.04ct lab-grown round diamond

This 12.04ct 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 LG831680940 or 831680940. Listed at 4 retailers as of November 1, 2026, with prices from €4,852 to €12,823, a €7,971 spread on the same certified stone. Taylor and Hart lists it at €12,823. 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

12.04
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831680940
Dimensions14.91 × 14.88 × 8.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.91 mm14.88 mm12.04 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831680940
Side View
Table 59.0%Crown 31.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.3%

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: €8,647 EUR|Low: €4,852 EUR|High: €12,823 EUR|Avg: €8,328 EUR
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 2, 2026
Retailer 2€4,852 EUR
Retailer 3€5,412 EUR
Retailer 1€8,647 EUR
Taylor and Hart€12,823 EUR

2 data points across 4 retailers

4 retailers€4,852 EUR to €12,823 EUR

A
Cheapest Retailer
-
€4,852 EUR
£4,285 GBP
B+
Retailer 2
-
€5,412 EUR
$6,070 USD
View
B
Retailer 3
-
€8,647 EUR
$9,698 USD
View
Most Expensive
B
Taylor and Hart
43KIJFZ · Nov 1
€12,823 EUR
$14,382 USD
View
3 more retailers have this diamond
Prices start from €4,852 EURSave up to €7,971 EUR

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
12.04ct Round
€4,852 EUR