Round|Lab Grown|IGI

12.05ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG843638579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843638579

Diamond specifications and retailer prices

From €4,352 EUR
$4,862 USD
As of October 31, 2026
Save €11,719 EUR (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €16,071 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.05ct lab-grown round diamond

This 12.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843638579 or 843638579. Listed at 14 retailers as of October 31, 2026, with prices from €4,352 to €16,071, a €11,719 spread on the same certified stone. Taylor and Hart lists it at €16,071. 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

12.05
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843638579
Dimensions14.74 × 14.83 × 8.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.74 mm14.83 mm12.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843638579
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

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: Oct 31
Current: €5,817 EUR|Low: €3,640 EUR|High: €16,071 EUR|Avg: €7,664 EUR|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 13€3,640 EUR
Retailer 2€4,352 EUR
Retailer 8€4,511 EUR
Retailer 1€5,817 EUR
Retailer 10€5,866 EUR
Retailer 12€6,449 EUR
Retailer 3€6,977 EUR
Retailer 6€6,978 EUR
Retailer 7€7,209 EUR
Retailer 4€8,430 EUR
Retailer 9€8,528 EUR
Retailer 11€8,978 EUR
Retailer 5€12,526 EUR
Taylor and Hart€16,071 EUR

17 data points across 14 retailers

14 retailers€4,352 EUR to €16,071 EUR

Retailer 1
-
€3,640 EUR
£3,202 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
€4,352 EUR
$4,862 USD
View
Final sale: no returns
A
Retailer 3
-
€4,511 EUR
$5,040 USD
View
B+
Retailer 4
-
€5,817 EUR
£5,117 GBP
View
B+
Retailer 5
-
€5,866 EUR
$6,554 USD
View
Retailer 6
-
€6,449 EUR
$7,205 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
€6,977 EUR
$7,795 USD
View
B+
Retailer 8
-
€6,978 EUR
ZAR 125,945 ZAR
View
B+
Retailer 9
-
€7,209 EUR
View
B+
Retailer 10
-
€8,430 EUR
$9,418 USD
View
Retailer 11
-
€8,528 EUR
A$14,657 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€8,978 EUR
$10,030 USD
View
B
Retailer 13
-
€12,526 EUR
$13,995 USD
View
Most Expensive
B
Taylor and Hart
9M4K3ZG · Oct 31
€16,071 EUR
$17,954 USD
View
13 more retailers have this diamond
Prices start from €4,352 EURSave up to €11,719 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
12.05ct Round
€4,352 EUR