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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 $4,219 AUD
HK$23,100 HKD
As of November 1, 2026
Save $17,369 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $21,588 AUD 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 $4,219 to $21,588, a $17,369 spread on the same certified stone. Adiamor lists it at $21,588. 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: $21,588 AUD|Low: $4,219 AUD|High: $32,262 AUD|Avg: $10,107 AUD|-0.1%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$4,219 AUD
Retailer 8$4,555 AUD
Retailer 7$5,092 AUD
Retailer 4$5,252 AUD
Retailer 2$5,500 AUD
Retailer 9$5,809 AUD
Retailer 6$8,940 AUD
Retailer 5$16,581 AUD
Adiamor$21,588 AUD

40 data points across 9 retailers

9 retailers$4,219 AUD to $21,588 AUD

A
Cheapest Retailer
-
$4,219 AUD
HK$23,100 HKD
Retailer 2
-
$4,555 AUD
$3,192 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$5,092 AUD
£2,810 GBP
View
A
Retailer 4
-
$5,252 AUD
$3,681 USD
View
A
Retailer 5
-
$5,500 AUD
€3,671 EUR
View
Retailer 6
-
$5,809 AUD
$4,071 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$8,940 AUD
$6,265 USD
View
B
Retailer 8
-
$16,581 AUD
$11,620 USD
View
Most Expensive
B
Adiamor
D-80328756 · Oct 31
$21,588 AUD
$15,129 USD
View
8 more retailers have this diamond
Prices start from $4,219 AUDSave up to $17,369 AUD

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
$4,219 AUD