CaratHunter
Plans
Round|Lab Grown|IGI

12.34ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG569325821

Shape and cutting style on the report: Round brilliant

Certificate IGI LG569325821

Diamond specifications and retailer prices

From €1,336 EUR
£1,176 GBP
As of October 30, 2026
Save €5,549 EUR (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €6,885 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 12.34ct lab-grown round diamond

This 12.34ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG569325821 or 569325821. Listed at 11 retailers as of October 30, 2026, with prices from €1,336 to €6,885, a €5,549 spread on the same certified stone. Adiamor lists it at €6,885. 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

12.34
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569325821
Dimensions15.02 × 14.93 × 9.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.02 mm14.93 mm12.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569325821
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.3%

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: Oct 30
Current: €6,885 EUR|Low: €1,336 EUR|High: €22,444 EUR|Avg: €5,845 EUR
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
October 31, 2026
Retailer 7€1,336 EUR
Retailer 9€1,430 EUR
Retailer 13€1,659 EUR
Retailer 10€1,813 EUR
Retailer 14€1,959 EUR
Retailer 12€2,185 EUR
Retailer 8€2,341 EUR
Retailer 11€2,638 EUR
Retailer 2€2,933 EUR
Retailer 3€3,110 EUR
Adiamor€6,885 EUR
Retailer 4€7,106 EUR
Retailer 6€16,488 EUR
Retailer 5€22,444 EUR

4 data points across 14 retailers

11 retailers€1,336 EUR to €6,885 EUR

A
Cheapest Retailer
-
€1,336 EUR
£1,176 GBP
A
Retailer 2
-
€1,430 EUR
$1,598 USD
View
A
Retailer 3
-
€1,659 EUR
$1,853 USD
View
A
Retailer 4
-
€1,813 EUR
$2,025 USD
View
A
Retailer 5
-
€1,959 EUR
HK$17,100 HKD
View
A
Retailer 6
-
€2,185 EUR
$2,441 USD
View
A
Retailer 7
-
€2,341 EUR
£2,059 GBP
View
A
Retailer 8
-
€2,638 EUR
View
A
Retailer 9
-
€2,933 EUR
$3,277 USD
View
B+
Retailer 10
-
€3,110 EUR
$3,474 USD
View
Most Expensive
B
Adiamor
D-82831567 · Oct 31
€6,885 EUR
$7,692 USD
View
10 more retailers have this diamond
Prices start from €1,336 EURSave up to €5,549 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
12.34ct Round
€1,336 EUR