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Cushion|Lab Grown|IGI

4.85ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG819661055

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

Certificate IGI LG819661055

Diamond specifications and retailer prices

From HK$5,500 HKD
$701 USD
As of November 1, 2026
Save HK$2,056 HKD (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$17,387 HKD at Brilliance · As of October 5, 2026
View at Brilliance

About this 4.85ct lab-grown cushion diamond

This 4.85ct 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 LG819661055 or 819661055. Listed at 3 retailers as of October 28, 2026, with a 37% 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

4.85
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819661055
Dimensions9.98 × 9.75 × 6.58 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm9.75 mm4.85 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819661055
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.5%

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 1
Current: HK$17,387 HKD|Low: HK$5,500 HKD|High: HK$41,270 HKD|Avg: HK$18,224 HKD|-10.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2HK$5,500 HKD
Retailer 5HK$6,787 HKD
Retailer 3HK$7,556 HKD
BrillianceHK$17,387 HKD
Retailer 6HK$21,416 HKD
Retailer 4HK$41,270 HKD

10 data points across 6 retailers

3 retailersHK$5,500 HKD to HK$7,556 HKD

A
Cheapest Retailer
-
HK$5,500 HKD
$701 USD
Final sale: no returns
B+
Retailer 2
-
HK$7,556 HKD
$963 USD
View
Most Expensive
Brilliance
D45376111 · Oct 5
HK$17,387 HKD
$2,216 USD
View
Price last confirmed 28 days ago
2 more retailers have this diamond
Prices start from HK$5,500 HKDSave up to HK$2,056 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
4.85ct Cushion
HK$5,500 HKD