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Round|Lab Grown|IGI

4.12ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG618434112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618434112

Diamond specifications and retailer prices

From €1,476 EUR
$1,649 USD
As of October 29, 2026
Save €8,683 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €10,159 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG618434112 or 618434112. Listed at 18 retailers as of October 29, 2026, with prices from €1,476 to €10,159, a €8,683 spread on the same certified stone. Do Amore Diamonds lists it at €10,159. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618434112
Dimensions10.24 × 10.29 × 6.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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 mm10.29 mm4.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618434112
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: €10,159 EUR|Low: €1,447 EUR|High: €11,215 EUR|Avg: €4,087 EUR|-9.4%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 19
November 1, 2026
Retailer 19€1,476 EUR
Retailer 6€1,607 EUR
Retailer 10€1,826 EUR
Retailer 3€1,847 EUR
Retailer 8€2,296 EUR
Retailer 18€2,692 EUR
Retailer 9€2,846 EUR
Retailer 4€2,953 EUR
Retailer 16€2,964 EUR
Retailer 13€3,059 EUR
Retailer 5€3,544 EUR
Retailer 11€3,653 EUR
Retailer 7€4,003 EUR
Retailer 2€4,050 EUR
Retailer 15€5,428 EUR
Retailer 17€5,769 EUR
Retailer 12€8,269 EUR
Retailer 14€8,351 EUR
Do Amore Diamonds€10,159 EUR

35 data points across 19 retailers

18 retailers€1,476 EUR to €10,159 EUR

A+
Cheapest Retailer
-
€1,476 EUR
$1,649 USD
A
Retailer 2
-
€1,607 EUR
$1,795 USD
View
A
Retailer 3
-
€1,826 EUR
$2,040 USD
View
Final sale: no returns
A
Retailer 4
-
€1,847 EUR
$2,064 USD
View
A
Retailer 5
-
€2,296 EUR
$2,565 USD
View
A
Retailer 6
-
€2,667 EUR
$2,980 USD
View
A
Retailer 7
-
€2,692 EUR
$3,008 USD
View
A
Retailer 8
-
€2,846 EUR
$3,180 USD
View
A
Retailer 9
-
€2,953 EUR
$3,299 USD
View
A
Retailer 10
-
€3,059 EUR
View
A
Retailer 11
-
€3,544 EUR
$3,959 USD
View
A
Retailer 12
-
€4,003 EUR
$4,472 USD
View
A
Retailer 13
-
€4,050 EUR
A$6,961 AUD
View
A
Retailer 14
-
€5,428 EUR
£4,775 GBP
View
B+
Retailer 15
-
€5,769 EUR
$6,445 USD
View
B+
Retailer 16
-
€8,269 EUR
A$14,212 AUD
View
B+
Retailer 17
-
€8,351 EUR
$9,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-964C8B839 · Nov 1
€10,159 EUR
$11,350 USD
View
17 more retailers have this diamond
Prices start from €1,476 EURSave up to €8,683 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
€1,476 EUR