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Cushion|Lab Grown|IGI

4.04ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • IGI LG654458481

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG654458481

Diamond specifications and retailer prices

From HK$7,681 HKD
$979 USD
As of November 2, 2026
Save HK$10,129 HKD (57%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$17,811 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG654458481 or 654458481. Listed at 3 retailers as of October 28, 2026, with prices from HK$7,681 to HK$17,811, a HK$10,129 spread on the same certified stone. Rare Carat lists it at HK$17,811. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.04
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654458481
Dimensions9.50 × 9.15 × 6.05 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.50 mm9.15 mm4.04 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654458481
Side View
Table 68.0%Crown 36.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 66.1%

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$17,811 HKD|Low: HK$7,681 HKD|High: HK$50,764 HKD|Avg: HK$23,451 HKD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
October 19, 2026
Retailer 3HK$7,681 HKD
Retailer 2HK$17,116 HKD
Rare CaratHK$17,811 HKD
Retailer 4HK$50,764 HKD

4 data points across 4 retailers

3 retailersHK$7,681 HKD to HK$17,811 HKD

A
Cheapest Retailer
-
HK$7,681 HKD
$979 USD
B
Retailer 2
-
HK$17,116 HKD
$2,181 USD
View
Most Expensive
B
Rare Carat
LVA33-124N · Oct 28
HK$17,811 HKD
$2,270 USD
View
2 more retailers have this diamond
Prices start from HK$7,681 HKDSave up to HK$10,129 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
4.04ct Cushion
HK$7,681 HKD