CaratHunter
Plans
Cushion|Lab Grown|IGI

4.12ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG602314691

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602314691

Diamond specifications and retailer prices

From HK$5,453 HKD
$695 USD
As of November 2, 2026
Save HK$19,733 HKD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$25,186 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.12ct lab-grown cushion diamond

This 4.12ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602314691 or 602314691. Listed at 8 retailers as of November 2, 2026, with prices from HK$5,453 to HK$25,186, a HK$19,733 spread on the same certified stone. Brilliant Earth lists it at HK$25,186. 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

4.12
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602314691
Dimensions10.79 × 8.58 × 5.73 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Top View
10.79 mm8.58 mm4.12 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602314691
Side View
Table 66.0%Crown 31.1°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 66.8%

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: HK$25,186 HKD|Low: HK$3,748 HKD|High: HK$47,547 HKD|Avg: HK$11,662 HKD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$3,748 HKD
Retailer 4HK$5,453 HKD
Retailer 9HK$6,779 HKD
Retailer 3HK$7,019 HKD
Retailer 2HK$7,086 HKD
Retailer 8HK$7,595 HKD
Retailer 6HK$9,251 HKD
Retailer 5HK$15,963 HKD
Brilliant EarthHK$25,186 HKD

35 data points across 9 retailers

8 retailersHK$5,453 HKD to HK$25,186 HKD

A
Cheapest Retailer
-
HK$5,453 HKD
$695 USD
B+
Retailer 2
-
HK$6,779 HKD
$864 USD
View
A
Retailer 3
-
HK$7,019 HKD
€852 EUR
View
A
Retailer 4
-
HK$7,086 HKD
£711 GBP
View
A
Retailer 5
-
HK$7,595 HKD
$968 USD
View
A
Retailer 6
-
HK$9,251 HKD
$1,179 USD
View
B+
Retailer 7
-
HK$15,963 HKD
£1,602 GBP
View
Most Expensive
B
Brilliant Earth
8384918A · Nov 2
HK$25,186 HKD
$3,210 USD
View
7 more retailers have this diamond
Prices start from HK$5,453 HKDSave up to HK$19,733 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
4.12ct Cushion
HK$5,453 HKD