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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 $6,493 CAD
$4,648 USD
As of October 29, 2026
Save $20,453 CAD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $30,213 CAD at Novita Diamonds · As of October 8, 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 a 315% 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

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

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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 29
Current: $30,213 CAD|Low: $6,493 CAD|High: $30,213 CAD|Avg: $13,448 CAD|+1.2%
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
October 31, 2026
Retailer 10$6,493 CAD
Retailer 13$6,804 CAD
Retailer 17$7,186 CAD
Retailer 6$7,271 CAD
Retailer 18$7,532 CAD
Retailer 4$7,913 CAD
Retailer 12$8,409 CAD
Retailer 7$8,958 CAD
Retailer 20$9,412 CAD
Retailer 14$9,619 CAD
Retailer 2$9,749 CAD
Retailer 9$11,001 CAD
Retailer 5$14,125 CAD
Retailer 15$14,573 CAD
Retailer 11$15,036 CAD
Retailer 16$15,679 CAD
Retailer 3$20,208 CAD
Retailer 19$20,935 CAD
Retailer 8$26,945 CAD
Novita Diamonds$30,213 CAD

40 data points across 20 retailers

21 retailers$6,493 CAD to $26,945 CAD

A
Cheapest Retailer
-
$6,493 CAD
$4,648 USD
A
Retailer 2
-
$6,804 CAD
$4,871 USD
View
A
Retailer 3
-
$7,186 CAD
$5,144 USD
View
A
Retailer 4
-
$7,271 CAD
$5,205 USD
View
Final sale: no returns
A
Retailer 5
-
$7,532 CAD
$5,392 USD
View
Retailer 6
-
$7,911 CAD
$5,663 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$7,913 CAD
$5,665 USD
View
Retailer 8
-
$8,409 CAD
$6,020 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$8,958 CAD
HK$50,100 HKD
View
A
Retailer 10
-
$9,412 CAD
$6,738 USD
View
A
Retailer 11
-
$9,619 CAD
$6,886 USD
View
A
Retailer 12
-
$9,749 CAD
£5,495 GBP
View
A
Retailer 13
-
$11,001 CAD
$7,875 USD
View
A
Retailer 14
-
$14,125 CAD
$10,112 USD
View
A
Retailer 15
-
$14,573 CAD
ZAR 168,539 ZAR
View
Retailer 16
-
$15,036 CAD
A$16,560 AUD
View
Price last confirmed 8 days ago
A
Retailer 17
-
$15,679 CAD
£8,838 GBP
View
A
Retailer 18
-
$20,208 CAD
$14,466 USD
View
A
Retailer 19
-
$20,935 CAD
$14,987 USD
View
B+
Retailer 20
-
$26,945 CAD
$19,289 USD
View
Most Expensive
Novita Diamonds
cert_660401846 · Oct 8
$30,213 CAD
A$33,275 AUD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from $6,493 CADSave up to $20,453 CAD

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
$6,493 CAD