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Round|Lab Grown|IGI

4.12ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG691533937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691533937

Diamond specifications and retailer prices

From €2,429 EUR
$2,714 USD
As of October 31, 2026
Save €12,456 EUR (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €15,378 EUR at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 4.12ct lab-grown round diamond

This 4.12ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG691533937 or 691533937. Listed at 25 retailers as of October 31, 2026, with a 513% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691533937
Dimensions10.24 × 10.18 × 6.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.24 mm10.18 mm4.12 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691533937
Side View
Table 55.0%Crown 35.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €8,351 EUR|Low: €1,898 EUR|High: €8,658 EUR|Avg: €3,924 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
November 1, 2026
Retailer 3€1,976 EUR
Retailer 8€2,151 EUR
Retailer 4€2,293 EUR
Retailer 7€2,429 EUR
Retailer 12€2,429 EUR
Retailer 17€2,439 EUR
Retailer 10€2,484 EUR
Retailer 15€3,220 EUR
Retailer 11€3,443 EUR
Retailer 9€3,479 EUR
Retailer 16€3,534 EUR
Retailer 13€5,387 EUR
Retailer 2€5,422 EUR
Retailer 5€6,122 EUR
Retailer 14€6,813 EUR
Brilliant Earth€8,351 EUR
Retailer 6€8,658 EUR

43 data points across 17 retailers

25 retailers€2,429 EUR to €14,885 EUR

Retailer 1
-
€1,976 EUR
$2,208 USD
Price last confirmed 13 days ago
Retailer 2
-
€2,151 EUR
$2,403 USD
View
Price last confirmed 18 days ago
Retailer 3
-
€2,293 EUR
$2,562 USD
View
Price last confirmed 13 days ago
Retailer 4
-
€2,293 EUR
$2,562 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
€2,429 EUR
$2,714 USD
View
Final sale: no returns
A
Retailer 6
-
€2,429 EUR
$2,714 USD
View
A
Retailer 7
-
€2,439 EUR
$2,725 USD
View
A
Retailer 8
-
€2,484 EUR
£2,186 GBP
View
A
Retailer 9
-
€2,902 EUR
$3,242 USD
View
A
Retailer 10
-
€2,990 EUR
HK$26,100 HKD
View
A
Retailer 11
-
€3,220 EUR
$3,597 USD
View
A
Retailer 12
-
€3,443 EUR
£3,029 GBP
View
Retailer 13
-
€3,479 EUR
$3,887 USD
View
Price last confirmed 14 days ago
A
Retailer 14
-
€3,534 EUR
$3,948 USD
View
A
Retailer 15
-
€5,387 EUR
ZAR 97,234 ZAR
View
Retailer 16
-
€5,422 EUR
A$9,319 AUD
View
B+
Retailer 17
-
€6,122 EUR
$6,840 USD
View
B+
Retailer 18
-
€6,409 EUR
$7,161 USD
View
B+
Retailer 19
-
€6,813 EUR
£5,993 GBP
View
B+
Retailer 20
-
€8,351 EUR
$9,330 USD
View
B+
Retailer 21
-
€8,658 EUR
SGD 13,071 SGD
View
B+
Retailer 22
-
€8,834 EUR
$9,869 USD
View
B
Retailer 23
-
€13,596 EUR
$15,190 USD
View
B
Retailer 24
-
€14,885 EUR
$16,630 USD
View
Most Expensive
Brilliant Earth
14001188Y · Oct 1
€15,378 EUR
$17,180 USD
View
Price last confirmed 30 days ago
24 more retailers have this diamond
Prices start from €2,429 EURSave up to €12,456 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 Round
€2,429 EUR