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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 $4,559 NZD
£2,020 GBP
As of November 2, 2026
Save $16,288 NZD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $20,848 NZD 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 $4,559 to $20,848, a $16,288 spread on the same certified stone. Brilliant Earth lists it at $20,848. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $20,848 NZD|Low: $4,558 NZD|High: $21,203 NZD|Avg: $8,961 NZD
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$4,559 NZD
Retailer 12$5,479 NZD
Retailer 11$5,677 NZD
Retailer 4$6,460 NZD
Retailer 8$7,287 NZD
Retailer 2$7,490 NZD
Retailer 7$7,606 NZD
Retailer 10$8,835 NZD
Retailer 5$9,008 NZD
Retailer 3$15,832 NZD
Retailer 9$18,036 NZD
Brilliant Earth$20,848 NZD

43 data points across 12 retailers

13 retailers$4,559 NZD to $20,848 NZD

A
Cheapest Retailer
-
$4,559 NZD
£2,020 GBP
A
Retailer 2
-
$5,479 NZD
$3,083 USD
View
Final sale: no returns
Retailer 3
-
$5,677 NZD
$3,194 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$6,460 NZD
$3,635 USD
View
B+
Retailer 5
-
$7,287 NZD
$4,100 USD
View
B+
Retailer 6
-
$7,490 NZD
$4,214 USD
View
B+
Retailer 7
-
$7,606 NZD
£3,370 GBP
View
B+
Retailer 8
-
$8,835 NZD
$4,971 USD
View
B+
Retailer 9
-
$9,008 NZD
€4,827 EUR
View
B
Retailer 10
-
$15,832 NZD
$8,908 USD
View
B
Retailer 11
-
$18,036 NZD
$10,148 USD
View
B
Retailer 12
-
$19,789 NZD
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20602405A · Nov 2
$20,848 NZD
$11,730 USD
View
12 more retailers have this diamond
Prices start from $4,559 NZDSave up to $16,288 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
12.04ct Cushion
$4,559 NZD