CaratHunter
Plans
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 €4,160 EUR
$4,648 USD
As of October 29, 2026
Save €14,963 EUR (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €19,123 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 October 29, 2026, with prices from €4,160 to €19,123, a €14,963 spread on the same certified stone. Novita Diamonds lists it at €19,123. 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
Color
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

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 29
Current: €19,123 EUR|Low: €4,160 EUR|High: €19,360 EUR|Avg: €8,621 EUR|-0.0%
Novita Diamonds
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
Retailer 19
Retailer 20
November 1, 2026
Retailer 11€4,160 EUR
Retailer 14€4,360 EUR
Retailer 18€4,604 EUR
Retailer 7€4,659 EUR
Retailer 19€4,826 EUR
Retailer 5€5,071 EUR
Retailer 2€5,379 EUR
Retailer 8€5,740 EUR
Retailer 3€6,031 EUR
Retailer 15€6,164 EUR
Retailer 13€6,247 EUR
Retailer 10€7,049 EUR
Retailer 6€9,051 EUR
Retailer 16€9,338 EUR
Retailer 12€9,635 EUR
Retailer 17€10,047 EUR
Retailer 4€12,948 EUR
Retailer 20€13,414 EUR
Retailer 9€17,266 EUR
Novita Diamonds€19,123 EUR

40 data points across 20 retailers

21 retailers€4,160 EUR to €19,123 EUR

A
Cheapest Retailer
-
€4,160 EUR
$4,648 USD
A
Retailer 2
-
€4,360 EUR
$4,871 USD
View
A
Retailer 3
-
€4,604 EUR
$5,144 USD
View
A
Retailer 4
-
€4,659 EUR
$5,205 USD
View
Final sale: no returns
A
Retailer 5
-
€4,826 EUR
$5,392 USD
View
Retailer 6
-
€5,069 EUR
$5,663 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
€5,071 EUR
$5,665 USD
View
Retailer 8
-
€5,379 EUR
$6,010 USD
View
A
Retailer 9
-
€5,740 EUR
HK$50,100 HKD
View
A
Retailer 10
-
€6,031 EUR
$6,738 USD
View
A
Retailer 11
-
€6,164 EUR
$6,886 USD
View
A
Retailer 12
-
€6,247 EUR
£5,495 GBP
View
A
Retailer 13
-
€7,049 EUR
$7,875 USD
View
A
Retailer 14
-
€9,051 EUR
$10,112 USD
View
A
Retailer 15
-
€9,338 EUR
ZAR 168,539 ZAR
View
Retailer 16
-
€9,635 EUR
A$16,560 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
€10,047 EUR
£8,838 GBP
View
A
Retailer 18
-
€12,948 EUR
$14,466 USD
View
A
Retailer 19
-
€13,414 EUR
$14,987 USD
View
B+
Retailer 20
-
€17,266 EUR
$19,289 USD
View
Most Expensive
B+
Novita Diamonds
cert_660401846 · Nov 1
€19,123 EUR
A$32,868 AUD
View
20 more retailers have this diamond
Prices start from €4,160 EURSave up to €14,963 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
€4,160 EUR