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Round|Lab Grown|IGI

6.18ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG660401846

Shape and cutting style on the report: Round brilliant

Certificate IGI LG660401846

Diamond specifications and retailer prices

From €4,141 EUR
As of November 5, 2026
Save €14,893 EUR (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €19,034 EUR at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 6.18ct lab-grown round diamond

This 6.18ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660401846 or 660401846. Listed at 21 retailers as of November 1, 2026, with prices from €4,141 to €19,034, a €14,893 spread on the same certified stone. Novita Diamonds lists it at €19,034. 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

6.18
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660401846
Dimensions12.01 × 11.94 × 7.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.01 mm11.94 mm6.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660401846
Side View
Table 59.0%Crown 33.4°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.1%

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: Nov 5
Current: €19,034 EUR|Low: €4,141 EUR|High: €19,270 EUR|Avg: €8,222 EUR|-0.0%
Novita Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 12
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Retailer 19
Retailer 20
November 6, 2026
Retailer 12€4,141 EUR
Retailer 19€4,340 EUR
Retailer 3€4,583 EUR
Retailer 9€4,637 EUR
Retailer 4€4,804 EUR
Retailer 15€4,807 EUR
Retailer 18€5,355 EUR
Retailer 10€5,713 EUR
Retailer 6€6,003 EUR
Retailer 2€6,120 EUR
Retailer 20€6,135 EUR
Retailer 14€7,016 EUR
Retailer 8€9,009 EUR
Retailer 17€9,097 EUR
Retailer 16€9,323 EUR
Retailer 13€9,921 EUR
Retailer 7€12,888 EUR
Retailer 5€13,352 EUR
Retailer 11€17,186 EUR
Novita Diamonds€19,034 EUR

42 data points across 20 retailers

21 retailers€4,141 EUR to €19,034 EUR

A
Cheapest Retailer
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€4,141 EUR
A
Retailer 2
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€4,340 EUR
View
A
Retailer 3
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€4,583 EUR
View
A
Retailer 4
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€4,637 EUR
View
Final sale: no returns
A
Retailer 5
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€4,804 EUR
View
A
Retailer 6
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€4,807 EUR
View
Retailer 7
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€5,045 EUR
View
Price last confirmed 21 days ago
A
Retailer 8
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€5,355 EUR
View
A
Retailer 9
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€5,713 EUR
View
A
Retailer 10
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€6,003 EUR
View
A
Retailer 11
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€6,120 EUR
View
A
Retailer 12
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€6,135 EUR
View
A
Retailer 13
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€7,016 EUR
View
A
Retailer 14
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€9,009 EUR
View
A
Retailer 15
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€9,097 EUR
View
A
Retailer 16
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€9,323 EUR
View
A
Retailer 17
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€9,921 EUR
View
A
Retailer 18
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€12,888 EUR
View
A
Retailer 19
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€13,352 EUR
View
B+
Retailer 20
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€17,186 EUR
View
Most Expensive
B+
Novita Diamonds
cert_660401846 · Nov 1
€19,034 EUR
A$32,868 AUD
View
20 more retailers have this diamond
Prices start from €4,141 EURSave up to €14,893 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
6.18ct Round
€4,141 EUR