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Cushion|Lab Grown|IGI

12.04ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG616403725

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG616403725

Diamond specifications and retailer prices

From $3,661 AUD
£2,020 GBP
As of November 2, 2026
Save $13,077 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $16,738 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.04ct lab-grown cushion diamond

This 12.04ct 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 LG616403725 or 616403725. Listed at 13 retailers as of November 2, 2026, with prices from $3,661 to $16,738, a $13,077 spread on the same certified stone. Brilliant Earth lists it at $16,738. 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

12.04
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616403725
Dimensions13.51 × 12.80 × 7.89 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.51 mm12.80 mm12.04 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616403725
Side View
Table 61.0%Crown 38.9°Girdle: THN-THKPavilion 30.5°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $16,738 AUD|Low: $3,659 AUD|High: $17,023 AUD|Avg: $7,197 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$3,661 AUD
Retailer 12$4,399 AUD
Retailer 11$4,558 AUD
Retailer 4$5,187 AUD
Retailer 8$5,850 AUD
Retailer 2$6,013 AUD
Retailer 7$6,106 AUD
Retailer 10$7,093 AUD
Retailer 5$7,232 AUD
Retailer 3$12,711 AUD
Retailer 9$14,480 AUD
Brilliant Earth$16,738 AUD

42 data points across 12 retailers

13 retailers$3,661 AUD to $16,738 AUD

A
Cheapest Retailer
-
$3,661 AUD
£2,020 GBP
A
Retailer 2
-
$4,399 AUD
$3,083 USD
View
Final sale: no returns
Retailer 3
-
$4,558 AUD
$3,194 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$5,187 AUD
$3,635 USD
View
B+
Retailer 5
-
$5,850 AUD
$4,100 USD
View
B+
Retailer 6
-
$6,013 AUD
$4,214 USD
View
B+
Retailer 7
-
$6,106 AUD
£3,370 GBP
View
B+
Retailer 8
-
$7,093 AUD
$4,971 USD
View
B+
Retailer 9
-
$7,232 AUD
€4,827 EUR
View
B
Retailer 10
-
$12,711 AUD
$8,908 USD
View
B
Retailer 11
-
$14,480 AUD
$10,148 USD
View
B
Retailer 12
-
$15,887 AUD
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20602405A · Nov 2
$16,738 AUD
$11,730 USD
View
12 more retailers have this diamond
Prices start from $3,661 AUDSave up to $13,077 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
12.04ct Cushion
$3,661 AUD