Oval|Lab Grown|IGI

12.33ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG559269001

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559269001

Diamond specifications and retailer prices

From €1,782 EUR
£1,568 GBP
As of October 27, 2026
Save €14,141 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €15,924 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.33ct lab-grown oval diamond

This 12.33ct lab-grown oval 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 LG559269001 or 559269001. Listed at 11 retailers as of October 27, 2026, with prices from €1,782 to €15,924, a €14,141 spread on the same certified stone. Brilliant Earth lists it at €15,924. 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

12.33
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559269001
Dimensions18.85 × 13.09 × 8.12 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
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
18.85 mm13.09 mm12.33 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559269001
Side View
Table 61.0%Crown 35.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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 27
Current: €17,275 EUR|Low: €1,782 EUR|High: €17,275 EUR|Avg: €8,157 EUR
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 16€1,782 EUR
Retailer 12€2,512 EUR
Retailer 17€3,161 EUR
Retailer 7€3,460 EUR
Retailer 11€3,714 EUR
Retailer 13€3,811 EUR
Retailer 6€3,819 EUR
Retailer 5€4,561 EUR
Retailer 2€5,223 EUR
Retailer 4€5,520 EUR
Retailer 18€7,271 EUR
Retailer 14€9,668 EUR
Retailer 3€10,683 EUR
Retailer 15€11,887 EUR
Retailer 8€12,433 EUR
Retailer 9€14,921 EUR
Retailer 10€14,921 EUR
Brilliant Earth€17,275 EUR

11 data points across 18 retailers

11 retailers€1,782 EUR to €15,924 EUR

A
Cheapest Retailer
-
€1,782 EUR
£1,568 GBP
A
Retailer 2
-
€2,512 EUR
$2,806 USD
View
B+
Retailer 3
-
€3,161 EUR
$3,532 USD
View
B
Retailer 4
-
€3,714 EUR
£3,267 GBP
View
B
Retailer 5
-
€3,811 EUR
$4,258 USD
View
B
Retailer 6
-
€5,520 EUR
$6,167 USD
View
B
Retailer 7
-
€7,271 EUR
$8,123 USD
View
B
Retailer 8
-
€9,668 EUR
$10,801 USD
View
B
Retailer 9
-
€10,683 EUR
$11,935 USD
View
B
Retailer 10
-
€11,887 EUR
$13,280 USD
View
Most Expensive
B
Brilliant Earth
22300988A · Oct 31
€15,924 EUR
$17,790 USD
View
10 more retailers have this diamond
Prices start from €1,782 EURSave up to €14,141 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
12.33ct Oval
€1,782 EUR