CaratHunter
Plans
Cushion|Lab Grown|IGI

15.01ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG808639082

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG808639082

Diamond specifications and retailer prices

From $5,255 NZD
HK$23,100 HKD
As of November 1, 2026
Save $21,634 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $26,889 NZD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.01ct lab-grown cushion diamond

This 15.01ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG808639082 or 808639082. Listed at 9 retailers as of October 31, 2026, with prices from $5,255 to $26,889, a $21,634 spread on the same certified stone. Adiamor lists it at $26,889. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

15.01
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808639082
Dimensions14.21 × 13.82 × 8.85 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm13.82 mm15.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808639082
Side View
Table 65.0%Crown 35.6°Girdle: MED-ETKPavilion 36°Culet: NoneDepth 64.0%

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: $26,889 NZD|Low: $5,255 NZD|High: $40,185 NZD|Avg: $12,561 NZD|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$5,255 NZD
Retailer 8$5,673 NZD
Retailer 7$6,342 NZD
Retailer 4$6,542 NZD
Retailer 2$6,851 NZD
Retailer 9$7,235 NZD
Retailer 6$11,135 NZD
Retailer 5$20,652 NZD
Adiamor$26,889 NZD

39 data points across 9 retailers

9 retailers$5,255 NZD to $26,889 NZD

A
Cheapest Retailer
-
$5,255 NZD
HK$23,100 HKD
Retailer 2
-
$5,673 NZD
$3,192 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$6,342 NZD
£2,810 GBP
View
A
Retailer 4
-
$6,542 NZD
$3,681 USD
View
A
Retailer 5
-
$6,851 NZD
€3,671 EUR
View
Retailer 6
-
$7,235 NZD
$4,071 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$11,135 NZD
$6,265 USD
View
B
Retailer 8
-
$20,652 NZD
$11,620 USD
View
Most Expensive
B
Adiamor
D-80328756 · Oct 31
$26,889 NZD
$15,129 USD
View
8 more retailers have this diamond
Prices start from $5,255 NZDSave up to $21,634 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
15.01ct Cushion
$5,255 NZD