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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 $5,942 SGD
$4,648 USD
As of October 29, 2026
Save $21,370 SGD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $27,312 SGD 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 $5,942 to $27,312, a $21,370 spread on the same certified stone. Novita Diamonds lists it at $27,312. 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: $27,312 SGD|Low: $5,942 SGD|High: $27,650 SGD|Avg: $12,305 SGD|-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 10$5,942 SGD
Retailer 13$6,227 SGD
Retailer 17$6,576 SGD
Retailer 6$6,654 SGD
Retailer 18$6,893 SGD
Retailer 4$7,242 SGD
Retailer 12$7,696 SGD
Retailer 7$8,198 SGD
Retailer 20$8,614 SGD
Retailer 14$8,803 SGD
Retailer 2$8,922 SGD
Retailer 9$10,067 SGD
Retailer 5$12,927 SGD
Retailer 15$13,337 SGD
Retailer 11$13,761 SGD
Retailer 16$14,349 SGD
Retailer 3$18,493 SGD
Retailer 19$19,159 SGD
Retailer 8$24,660 SGD
Novita Diamonds$27,312 SGD

40 data points across 20 retailers

21 retailers$5,942 SGD to $27,312 SGD

A
Cheapest Retailer
-
$5,942 SGD
$4,648 USD
A
Retailer 2
-
$6,227 SGD
$4,871 USD
View
A
Retailer 3
-
$6,576 SGD
$5,144 USD
View
A
Retailer 4
-
$6,654 SGD
$5,205 USD
View
Final sale: no returns
A
Retailer 5
-
$6,893 SGD
$5,392 USD
View
Retailer 6
-
$7,240 SGD
$5,663 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$7,242 SGD
$5,665 USD
View
Retailer 8
-
$7,696 SGD
$6,020 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$8,198 SGD
HK$50,100 HKD
View
A
Retailer 10
-
$8,614 SGD
$6,738 USD
View
A
Retailer 11
-
$8,803 SGD
$6,886 USD
View
A
Retailer 12
-
$8,922 SGD
£5,495 GBP
View
A
Retailer 13
-
$10,067 SGD
$7,875 USD
View
A
Retailer 14
-
$12,927 SGD
$10,112 USD
View
A
Retailer 15
-
$13,337 SGD
ZAR 168,539 ZAR
View
Retailer 16
-
$13,761 SGD
A$16,560 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
$14,349 SGD
£8,838 GBP
View
A
Retailer 18
-
$18,493 SGD
$14,466 USD
View
A
Retailer 19
-
$19,159 SGD
$14,987 USD
View
B+
Retailer 20
-
$24,660 SGD
$19,289 USD
View
Most Expensive
B+
Novita Diamonds
cert_660401846 · Nov 1
$27,312 SGD
A$32,868 AUD
View
20 more retailers have this diamond
Prices start from $5,942 SGDSave up to $21,370 SGD

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
$5,942 SGD