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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 HK$20,128 HKD
£2,020 GBP
As of November 2, 2026
Save HK$71,907 HKD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$92,035 HKD 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 HK$20,128 to HK$92,035, a HK$71,907 spread on the same certified stone. Brilliant Earth lists it at HK$92,035. 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: HK$92,035 HKD|Low: HK$20,122 HKD|High: HK$93,604 HKD|Avg: HK$39,573 HKD
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 6HK$20,128 HKD
Retailer 12HK$24,190 HKD
Retailer 11HK$25,060 HKD
Retailer 4HK$28,521 HKD
Retailer 8HK$32,169 HKD
Retailer 2HK$33,063 HKD
Retailer 7HK$33,576 HKD
Retailer 10HK$39,003 HKD
Retailer 5HK$39,767 HKD
Retailer 3HK$69,894 HKD
Retailer 9HK$79,622 HKD
Brilliant EarthHK$92,035 HKD

42 data points across 12 retailers

13 retailersHK$20,128 HKD to HK$92,035 HKD

A
Cheapest Retailer
-
HK$20,128 HKD
£2,020 GBP
A
Retailer 2
-
HK$24,190 HKD
$3,083 USD
View
Final sale: no returns
Retailer 3
-
HK$25,060 HKD
$3,194 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
HK$28,521 HKD
$3,635 USD
View
B+
Retailer 5
-
HK$32,169 HKD
$4,100 USD
View
B+
Retailer 6
-
HK$33,063 HKD
$4,214 USD
View
B+
Retailer 7
-
HK$33,576 HKD
£3,370 GBP
View
B+
Retailer 8
-
HK$39,003 HKD
$4,971 USD
View
B+
Retailer 9
-
HK$39,767 HKD
€4,827 EUR
View
B
Retailer 10
-
HK$69,894 HKD
$8,908 USD
View
B
Retailer 11
-
HK$79,622 HKD
$10,148 USD
View
B
Retailer 12
-
HK$87,359 HKD
$11,134 USD
View
Most Expensive
B
Brilliant Earth
20602405A · Nov 2
HK$92,035 HKD
$11,730 USD
View
12 more retailers have this diamond
Prices start from HK$20,128 HKDSave up to HK$71,907 HKD

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
HK$20,128 HKD