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Cushion|Lab Grown|IGI

6.47ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG660415018

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG660415018

Diamond specifications and retailer prices

From $20,043 SGD
$15,678 USD
As of November 1, 2026
Save $52,744 SGD (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $72,787 SGD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 6.47ct lab-grown cushion diamond

This 6.47ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660415018 or 660415018. Listed at 19 retailers as of October 27, 2026, with prices from $20,043 to $72,787, a $52,744 spread on the same certified stone. Wholesale Diamonds Direct lists it at $72,787. 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

6.47
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660415018
Dimensions12.28 × 10.24 × 6.62 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.28 mm10.24 mm6.47 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660415018
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 64.6%

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: Nov 1
Current: $48,845 SGD|Low: $17,463 SGD|High: $97,407 SGD|Avg: $39,868 SGD|-0.2%
Retailer 1
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
Wholesale Diamonds Direct
November 1, 2026
Retailer 3$17,463 SGD
Retailer 5$20,043 SGD
Retailer 11$22,212 SGD
Retailer 2$23,350 SGD
Retailer 14$28,122 SGD
Retailer 9$28,537 SGD
Retailer 12$34,709 SGD
Retailer 6$37,329 SGD
Retailer 7$39,992 SGD
Retailer 8$43,372 SGD
Retailer 10$44,270 SGD
Retailer 1$48,845 SGD
Retailer 13$50,415 SGD
Wholesale Diamonds Direct$72,787 SGD
Retailer 4$97,407 SGD

39 data points across 15 retailers

19 retailers$20,043 SGD to $72,787 SGD

Retailer 1
-
$17,463 SGD
$13,660 USD
Our latest check could not confirm this price
A
Retailer 2
-
$20,043 SGD
$15,678 USD
View
A
Retailer 3
-
$22,212 SGD
$17,375 USD
View
A
Retailer 4
-
$23,350 SGD
$18,265 USD
View
B+
Retailer 5
-
$24,494 SGD
$19,160 USD
View
B+
Retailer 6
-
$28,122 SGD
$21,998 USD
View
Final sale: no returns
B+
Retailer 7
-
$28,537 SGD
£17,577 GBP
View
B+
Retailer 8
-
$34,709 SGD
$27,150 USD
View
B+
Retailer 9
-
$37,329 SGD
£22,992 GBP
View
B+
Retailer 10
-
$39,992 SGD
£24,632 GBP
View
B
Retailer 11
-
$43,372 SGD
A$52,195 AUD
View
B+
Retailer 12
-
$44,270 SGD
€32,980 EUR
View
B
Retailer 13
-
$48,845 SGD
A$58,782 AUD
View
B+
Retailer 14
-
$50,415 SGD
ZAR 637,088 ZAR
View
B
Retailer 15
-
$63,382 SGD
$49,580 USD
View
B
Retailer 16
-
$64,948 SGD
$50,804 USD
View
Most Expensive
B
Wholesale Diamonds Direct
113194995 · Oct 27
$72,787 SGD
$56,936 USD
View
16 more retailers have this diamond
Prices start from $20,043 SGDSave up to $52,744 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
6.47ct Cushion
$20,043 SGD