CaratHunter
Plans
Round|Lab Grown|IGI

12.03ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG843678306

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843678306

Diamond specifications and retailer prices

From €2,294 EUR
£2,018 GBP
As of November 2, 2026
Save €7,664 EUR (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €9,958 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.03ct lab-grown round diamond

This 12.03ct 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 LG843678306 or 843678306. Listed at 12 retailers as of October 31, 2026, with prices from €2,294 to €9,958, a €7,664 spread on the same certified stone. Taylor and Hart lists it at €9,958. 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

12.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843678306
Dimensions14.91 × 14.86 × 8.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.91 mm14.86 mm12.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843678306
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €2,294 EUR|Low: €2,294 EUR|High: €9,958 EUR|Avg: €5,294 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 1€2,294 EUR
Retailer 11€2,758 EUR
Retailer 6€2,860 EUR
Retailer 4€3,844 EUR
Retailer 8€4,105 EUR
Retailer 7€4,423 EUR
Retailer 3€4,445 EUR
Retailer 5€5,293 EUR
Retailer 2€7,177 EUR
Retailer 9€7,967 EUR
Retailer 10€8,431 EUR
Taylor and Hart€9,958 EUR

11 data points across 12 retailers

12 retailers€2,294 EUR to €9,958 EUR

A
Cheapest Retailer
-
€2,294 EUR
£2,018 GBP
A
Retailer 2
-
€2,758 EUR
$3,081 USD
View
Final sale: no returns
A
Retailer 3
-
€2,860 EUR
$3,195 USD
View
A
Retailer 4
-
€3,844 EUR
£3,381 GBP
View
A
Retailer 5
-
€4,105 EUR
$4,586 USD
View
A
Retailer 6
-
€4,423 EUR
ZAR 79,824 ZAR
View
A
Retailer 7
-
€4,445 EUR
$4,966 USD
View
B+
Retailer 8
-
€5,293 EUR
A$9,098 AUD
View
B+
Retailer 9
-
€7,177 EUR
$8,018 USD
View
B
Retailer 10
-
€7,967 EUR
$8,901 USD
View
B
Retailer 11
-
€8,431 EUR
$9,419 USD
View
Most Expensive
B
Taylor and Hart
8N659ES · Oct 31
€9,958 EUR
$11,125 USD
View
11 more retailers have this diamond
Prices start from €2,294 EURSave up to €7,664 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
12.03ct Round
€2,294 EUR