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Round|Lab Grown|IGI

12.07ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG816679583

Certificate IGI LG816679583

Diamond specifications and retailer prices

From €3,631 EUR
$4,072 USD
As of November 1, 2026
Save €3,419 EUR (49%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €7,050 EUR at Adiamor · As of November 2, 2026
View at Adiamor

About this 12.07ct lab-grown round diamond

This 12.07ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816679583 or 816679583. Listed at 4 retailers as of November 1, 2026, with prices from €3,631 to €7,050, a €3,419 spread on the same certified stone. Adiamor lists it at €7,050. 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

12.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG816679583
Dimensions14.89 × 14.96 × 8.87 mm
L/W Ratio1.00
Top View
14.89 mm14.96 mm12.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816679583
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €7,050 EUR|Low: €2,509 EUR|High: €7,050 EUR|Avg: €3,600 EUR|+1.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5€2,509 EUR
Retailer 3€3,631 EUR
Retailer 4€3,723 EUR
Retailer 2€4,337 EUR
Adiamor€7,050 EUR

11 data points across 5 retailers

4 retailers€3,631 EUR to €7,050 EUR

B+
Cheapest Retailer
-
€3,631 EUR
$4,072 USD
B+
Retailer 2
-
€3,723 EUR
$4,176 USD
View
B
Retailer 3
-
€4,337 EUR
View
Most Expensive
B
Adiamor
D-82724176 · Nov 2
€7,050 EUR
$7,907 USD
View
3 more retailers have this diamond
Prices start from €3,631 EURSave up to €3,419 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.

B+
12.07ct Round
€3,631 EUR