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Cushion|Lab Grown|IGI

4.09ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG665410165

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665410165

Diamond specifications and retailer prices

From HK$75,946 HKD
$9,680 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: HK$97,047 HKD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665410165 or 665410165. Listed at 3 retailers as of October 29, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410165
Dimensions10.52 × 8.77 × 5.74 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.52 mm8.77 mm4.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410165
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$97,047 HKD|Low: HK$19,905 HKD|High: HK$251,769 HKD|Avg: HK$83,415 HKD|-9.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
August 18, 2026
Retailer 16HK$19,905 HKD
Retailer 14HK$30,127 HKD
Retailer 3HK$34,168 HKD
Retailer 11HK$35,415 HKD
Retailer 10HK$38,899 HKD
Retailer 5HK$39,969 HKD
Retailer 2HK$45,316 HKD
Retailer 9HK$47,603 HKD
Retailer 15HK$50,721 HKD
Retailer 7HK$62,655 HKD
Retailer 12HK$75,946 HKD
Retailer 13HK$79,501 HKD
Novita DiamondsHK$97,047 HKD
Retailer 8HK$111,751 HKD
Retailer 6HK$112,147 HKD
Retailer 4HK$171,272 HKD

72 data points across 16 retailers

3 retailers

Retailer 1
-
HK$47,603 HKD
$6,067 USD
Price last confirmed 74 days ago
B+
Retailer 2
-
HK$75,946 HKD
$9,680 USD
View
Most Expensive
Novita Diamonds
cert_665410165 · Jul 4
HK$97,047 HKD
A$19,030 AUD
View
Price last confirmed 118 days ago
2 more retailers have this diamond
Prices start from HK$75,946 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.

B+
4.09ct Cushion
HK$75,946 HKD