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Oval|Lab Grown|IGI

4.12ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG800631859

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800631859

Diamond specifications and retailer prices

From €2,820 EUR
$3,151 USD
As of November 1, 2026
Save €10,874 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €13,695 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.12ct lab-grown oval diamond

This 4.12ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800631859 or 800631859. Listed at 10 retailers as of October 31, 2026, with prices from €2,820 to €13,695, a €10,874 spread on the same certified stone. Brilliant Earth lists it at €13,695. 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

4.12
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800631859
Dimensions13.15 × 8.97 × 5.54 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
13.15 mm8.97 mm4.12 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800631859
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

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: Nov 1
Current: €13,695 EUR|Low: €2,820 EUR|High: €18,654 EUR|Avg: €6,682 EUR|-26.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€2,820 EUR
Retailer 9€3,472 EUR
Retailer 3€3,706 EUR
Retailer 5€3,955 EUR
Retailer 7€4,820 EUR
Retailer 4€5,070 EUR
Retailer 10€6,562 EUR
Retailer 2€7,407 EUR
Retailer 8€9,647 EUR
Brilliant Earth€13,695 EUR

30 data points across 10 retailers

10 retailers€2,820 EUR to €13,695 EUR

A
Cheapest Retailer
-
€2,820 EUR
$3,151 USD
Retailer 2
-
€3,472 EUR
HK$30,300 HKD
View
Price last confirmed 43 days ago
A
Retailer 3
-
€3,706 EUR
£3,260 GBP
View
A
Retailer 4
-
€3,955 EUR
$4,418 USD
View
A
Retailer 5
-
€4,820 EUR
$5,385 USD
View
A
Retailer 6
-
€5,070 EUR
View
Retailer 7
-
€6,562 EUR
$7,331 USD
View
Price last confirmed 83 days ago
B+
Retailer 8
-
€7,407 EUR
£6,516 GBP
View
B+
Retailer 9
-
€9,647 EUR
$10,777 USD
View
Most Expensive
B
Brilliant Earth
19994644A · Oct 31
€13,695 EUR
$15,300 USD
View
9 more retailers have this diamond
Prices start from €2,820 EURSave up to €10,874 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
4.12ct Oval
€2,820 EUR