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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 ₹4,41,328 INR
$4,648 USD
As of October 29, 2026
Save ₹13,90,203 INR (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹20,53,650 INR 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
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: Oct 29
Current: ₹20,53,650 INR|Low: ₹4,41,328 INR|High: ₹20,53,650 INR|Avg: ₹9,14,099 INR|+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₹4,41,328 INR
Retailer 13₹4,62,501 INR
Retailer 17₹4,88,423 INR
Retailer 6₹4,94,215 INR
Retailer 18₹5,11,970 INR
Retailer 4₹5,37,892 INR
Retailer 12₹5,71,599 INR
Retailer 7₹6,08,895 INR
Retailer 20₹6,39,773 INR
Retailer 14₹6,53,826 INR
Retailer 2₹6,62,635 INR
Retailer 9₹7,47,731 INR
Retailer 5₹9,60,134 INR
Retailer 15₹9,90,572 INR
Retailer 11₹10,22,042 INR
Retailer 16₹10,65,743 INR
Retailer 3₹13,73,547 INR
Retailer 19₹14,22,972 INR
Retailer 8₹18,31,530 INR
Novita Diamonds₹20,53,650 INR

40 data points across 20 retailers

21 retailers₹4,41,328 INR to ₹18,31,530 INR

A
Cheapest Retailer
-
₹4,41,328 INR
$4,648 USD
A
Retailer 2
-
₹4,62,501 INR
$4,871 USD
View
A
Retailer 3
-
₹4,88,423 INR
$5,144 USD
View
A
Retailer 4
-
₹4,94,215 INR
$5,205 USD
View
Final sale: no returns
A
Retailer 5
-
₹5,11,970 INR
$5,392 USD
View
Retailer 6
-
₹5,37,702 INR
$5,663 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
₹5,37,892 INR
$5,665 USD
View
Retailer 8
-
₹5,71,599 INR
$6,020 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
₹6,08,895 INR
HK$50,100 HKD
View
A
Retailer 10
-
₹6,39,773 INR
$6,738 USD
View
A
Retailer 11
-
₹6,53,826 INR
$6,886 USD
View
A
Retailer 12
-
₹6,62,635 INR
£5,495 GBP
View
A
Retailer 13
-
₹7,47,731 INR
$7,875 USD
View
A
Retailer 14
-
₹9,60,134 INR
$10,112 USD
View
A
Retailer 15
-
₹9,90,572 INR
ZAR 168,539 ZAR
View
Retailer 16
-
₹10,22,042 INR
A$16,560 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
₹10,65,743 INR
£8,838 GBP
View
A
Retailer 18
-
₹13,73,547 INR
$14,466 USD
View
A
Retailer 19
-
₹14,22,972 INR
$14,987 USD
View
B+
Retailer 20
-
₹18,31,530 INR
$19,289 USD
View
Most Expensive
Novita Diamonds
cert_660401846 · Oct 8
₹20,53,650 INR
A$33,275 AUD
View
Price last confirmed 22 days ago
20 more retailers have this diamond
Prices start from ₹4,41,328 INRSave up to ₹13,90,203 INR

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
₹4,41,328 INR