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Cushion|Lab Grown|IGI

4.10ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG749593778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG749593778

Diamond specifications and retailer prices

From HK$5,963 HKD
$760 USD
As of November 2, 2026
Save HK$33,974 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$39,937 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct 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 LG749593778 or 749593778. Listed at 14 retailers as of November 2, 2026, with prices from HK$5,963 to HK$39,937, a HK$33,974 spread on the same certified stone. Brilliant Earth lists it at HK$39,937. 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

4.10
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749593778
Dimensions10.93 × 8.57 × 5.87 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm8.57 mm4.10 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749593778
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 44.3°Culet: NoneDepth 68.5%

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$39,937 HKD|Low: HK$4,645 HKD|High: HK$47,390 HKD|Avg: HK$13,730 HKD|-15.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 6HK$5,155 HKD
Retailer 4HK$5,963 HKD
Retailer 8HK$6,504 HKD
Retailer 10HK$8,321 HKD
Retailer 13HK$8,646 HKD
Retailer 12HK$8,686 HKD
Retailer 7HK$8,773 HKD
Retailer 11HK$9,525 HKD
Retailer 2HK$13,001 HKD
Retailer 14HK$17,936 HKD
Retailer 3HK$18,190 HKD
Retailer 5HK$24,284 HKD
Retailer 9HK$24,383 HKD
Brilliant EarthHK$39,937 HKD

38 data points across 14 retailers

14 retailersHK$5,963 HKD to HK$39,937 HKD

Retailer 1
-
HK$5,155 HKD
$657 USD
Price last confirmed 17 days ago
A
Retailer 2
-
HK$5,963 HKD
$760 USD
View
A
Retailer 3
-
HK$6,504 HKD
$829 USD
View
Final sale: no returns
A
Retailer 4
-
HK$8,321 HKD
€1,010 EUR
View
B+
Retailer 5
-
HK$8,646 HKD
$1,102 USD
View
A
Retailer 6
-
HK$8,686 HKD
$1,107 USD
View
A
Retailer 7
-
HK$8,773 HKD
£880 GBP
View
A
Retailer 8
-
HK$9,525 HKD
$1,214 USD
View
B+
Retailer 9
-
HK$13,001 HKD
$1,657 USD
View
B
Retailer 10
-
HK$17,936 HKD
$2,286 USD
View
B
Retailer 11
-
HK$18,190 HKD
$2,318 USD
View
Retailer 12
-
HK$24,284 HKD
$3,095 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
HK$24,383 HKD
£2,447 GBP
View
Most Expensive
B
Brilliant Earth
21586390A · Nov 2
HK$39,937 HKD
$5,090 USD
View
13 more retailers have this diamond
Prices start from HK$5,963 HKDSave up to HK$33,974 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
4.10ct Cushion
HK$5,963 HKD