Round|Lab Grown|IGI

12.05ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG762550142

Shape and cutting style on the report: Round brilliant

Certificate IGI LG762550142

Diamond specifications and retailer prices

From €1,438 EUR
£1,265 GBP
As of October 27, 2026
Save €5,800 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €7,239 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 12.05ct lab-grown round diamond

This 12.05ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG762550142 or 762550142. Listed at 15 retailers as of October 27, 2026, with prices from €1,438 to €7,239, a €5,800 spread on the same certified stone. Adiamor lists it at €7,239. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

12.05
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762550142
Dimensions14.69 × 14.60 × 8.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.69 mm14.60 mm12.05 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762550142
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €7,239 EUR|Low: €1,433 EUR|High: €7,243 EUR|Avg: €3,200 EUR|-0.1%
Adiamor
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
October 31, 2026
Retailer 12€1,438 EUR
Retailer 7€1,539 EUR
Retailer 3€1,675 EUR
Retailer 14€1,785 EUR
Retailer 9€2,039 EUR
Retailer 4€2,279 EUR
Retailer 13€2,506 EUR
Retailer 2€2,656 EUR
Retailer 8€2,782 EUR
Retailer 6€2,803 EUR
Retailer 15€3,346 EUR
Retailer 10€4,941 EUR
Retailer 11€5,904 EUR
Retailer 5€5,908 EUR
Adiamor€7,239 EUR

40 data points across 15 retailers

15 retailers€1,438 EUR to €7,239 EUR

A
Cheapest Retailer
-
€1,438 EUR
£1,265 GBP
A
Retailer 2
-
€1,539 EUR
$1,719 USD
View
Retailer 3
-
€1,675 EUR
$1,871 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€1,785 EUR
$1,994 USD
View
A
Retailer 5
-
€2,039 EUR
HK$17,800 HKD
View
A
Retailer 6
-
€2,279 EUR
$2,546 USD
View
A
Retailer 7
-
€2,506 EUR
£2,204 GBP
View
A
Retailer 8
-
€2,656 EUR
View
A
Retailer 9
-
€2,782 EUR
$3,108 USD
View
B+
Retailer 10
-
€2,803 EUR
$3,131 USD
View
Retailer 11
-
€3,346 EUR
$3,738 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
€4,941 EUR
$5,520 USD
View
B
Retailer 13
-
€5,904 EUR
SGD 8,913 SGD
View
B
Retailer 14
-
€5,908 EUR
$6,600 USD
View
Most Expensive
B
Adiamor
D-72233969 · Oct 31
€7,239 EUR
$8,087 USD
View
14 more retailers have this diamond
Prices start from €1,438 EURSave up to €5,800 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
€1,438 EUR