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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 $6,296 NZD
£2,789 GBP
As of November 1, 2026
Save $24,286 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $30,582 NZD 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 $6,296 to $30,582, a $24,286 spread on the same certified stone. With Clarity lists it at $30,582. 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: $6,296 NZD|Low: $6,293 NZD|High: $41,998 NZD|Avg: $17,290 NZD|-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$6,296 NZD
Retailer 9$7,653 NZD
Retailer 14$9,236 NZD
Retailer 13$9,576 NZD
Retailer 10$9,580 NZD
Retailer 7$10,266 NZD
Retailer 8$12,048 NZD
Retailer 12$12,272 NZD
Retailer 11$20,708 NZD
Retailer 4$21,765 NZD
Retailer 3$26,260 NZD
Retailer 5$27,271 NZD
Retailer 2$27,728 NZD
Retailer 6$41,998 NZD

39 data points across 14 retailers

15 retailers$6,296 NZD to $30,582 NZD

A
Cheapest Retailer
-
$6,296 NZD
£2,789 GBP
A
Retailer 2
-
$7,653 NZD
$4,306 USD
View
Final sale: no returns
A
Retailer 3
-
$9,236 NZD
HK$40,600 HKD
View
A
Retailer 4
-
$9,576 NZD
$5,388 USD
View
A
Retailer 5
-
$9,580 NZD
$5,390 USD
View
A
Retailer 6
-
$10,266 NZD
£4,548 GBP
View
Retailer 7
-
$11,855 NZD
$6,670 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$12,048 NZD
€6,456 EUR
View
Retailer 9
-
$12,272 NZD
$6,905 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$20,708 NZD
$11,651 USD
View
B
Retailer 11
-
$21,765 NZD
$12,246 USD
View
B
Retailer 12
-
$26,260 NZD
$14,775 USD
View
B
Retailer 13
-
$27,271 NZD
$15,344 USD
View
B
Retailer 14
-
$27,728 NZD
$15,601 USD
View
Most Expensive
B
With Clarity
807658774 · Nov 2
$30,582 NZD
$17,207 USD
View
14 more retailers have this diamond
Prices start from $6,296 NZDSave up to $24,286 NZD

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
$6,296 NZD