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Cushion|Lab Grown|IGI

15.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG807658774

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG807658774

Diamond specifications and retailer prices

From $4,530 SGD
£2,789 GBP
As of November 1, 2026
Save $17,476 SGD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,006 SGD at With Clarity · As of November 2, 2026
View at With Clarity

About this 15.05ct lab-grown cushion diamond

This 15.05ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807658774 or 807658774. Listed at 15 retailers as of November 1, 2026, with prices from $4,530 to $22,006, a $17,476 spread on the same certified stone. With Clarity lists it at $22,006. 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

15.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807658774
Dimensions18.62 × 12.38 × 8.05 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.62 mm12.38 mm15.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807658774
Side View
Table 65.0%Crown 34.8°Girdle: MED-THKPavilion 34.5°Culet: NoneDepth 65.0%

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: $4,530 SGD|Low: $4,529 SGD|High: $30,220 SGD|Avg: $12,457 SGD|-1.2%
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
November 1, 2026
Retailer 1$4,530 SGD
Retailer 9$5,507 SGD
Retailer 14$6,646 SGD
Retailer 13$6,891 SGD
Retailer 10$6,893 SGD
Retailer 7$7,387 SGD
Retailer 8$8,669 SGD
Retailer 12$8,831 SGD
Retailer 11$14,901 SGD
Retailer 4$15,662 SGD
Retailer 3$18,896 SGD
Retailer 5$19,623 SGD
Retailer 2$19,952 SGD
Retailer 6$30,220 SGD

40 data points across 14 retailers

15 retailers$4,530 SGD to $22,006 SGD

A
Cheapest Retailer
-
$4,530 SGD
£2,789 GBP
A
Retailer 2
-
$5,507 SGD
$4,306 USD
View
Final sale: no returns
A
Retailer 3
-
$6,646 SGD
HK$40,600 HKD
View
A
Retailer 4
-
$6,891 SGD
$5,388 USD
View
A
Retailer 5
-
$6,893 SGD
$5,390 USD
View
A
Retailer 6
-
$7,387 SGD
£4,548 GBP
View
B+
Retailer 7
-
$8,530 SGD
$6,670 USD
View
B+
Retailer 8
-
$8,669 SGD
€6,456 EUR
View
Retailer 9
-
$8,831 SGD
$6,905 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$14,901 SGD
$11,651 USD
View
B
Retailer 11
-
$15,662 SGD
$12,246 USD
View
B
Retailer 12
-
$18,896 SGD
$14,775 USD
View
B
Retailer 13
-
$19,623 SGD
$15,344 USD
View
B
Retailer 14
-
$19,952 SGD
$15,601 USD
View
Most Expensive
B
With Clarity
807658774 · Nov 2
$22,006 SGD
$17,207 USD
View
14 more retailers have this diamond
Prices start from $4,530 SGDSave up to $17,476 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
15.05ct Cushion
$4,530 SGD