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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG696511934

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG696511934

Diamond specifications and retailer prices

From HK$11,165 HKD
$1,423 USD
As of November 2, 2026
Save HK$50,058 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$85,993 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG696511934 or 696511934. Listed at 16 retailers as of November 2, 2026, with a 448% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696511934
Dimensions9.33 × 9.15 × 6.13 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.15 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696511934
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.0%

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$21,074 HKD|Low: HK$11,165 HKD|High: HK$45,618 HKD|Avg: HK$23,792 HKD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9HK$11,165 HKD
Retailer 8HK$13,440 HKD
Retailer 2HK$14,064 HKD
Retailer 7HK$15,614 HKD
Retailer 1HK$21,074 HKD
Retailer 3HK$22,347 HKD
Retailer 6HK$33,549 HKD
Retailer 5HK$33,767 HKD
Retailer 4HK$45,010 HKD

36 data points across 9 retailers

16 retailersHK$11,165 HKD to HK$61,223 HKD

A
Cheapest Retailer
-
HK$11,165 HKD
$1,423 USD
B+
Retailer 2
-
HK$11,753 HKD
$1,498 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$13,440 HKD
$1,713 USD
View
A
Retailer 4
-
HK$14,064 HKD
£1,411 GBP
View
B+
Retailer 5
-
HK$15,614 HKD
$1,990 USD
View
B+
Retailer 6
-
HK$21,074 HKD
€2,558 EUR
View
B
Retailer 7
-
HK$21,294 HKD
$2,714 USD
View
B+
Retailer 8
-
HK$22,347 HKD
£2,243 GBP
View
B
Retailer 9
-
HK$32,644 HKD
£3,276 GBP
View
B
Retailer 10
-
HK$33,549 HKD
ZAR 69,078 ZAR
View
B
Retailer 11
-
HK$33,767 HKD
A$6,621 AUD
View
B
Retailer 12
-
HK$37,346 HKD
$4,760 USD
View
B
Retailer 13
-
HK$45,010 HKD
£4,517 GBP
View
B
Retailer 14
-
HK$55,365 HKD
$7,056 USD
View
B
Retailer 15
-
HK$61,223 HKD
$7,803 USD
View
Most Expensive
Do Amore Diamonds
31-LGD689639 · Nov 2
HK$85,993 HKD
$10,960 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$11,165 HKDSave up to HK$50,058 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
4.09ct Cushion
HK$11,165 HKD