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Cushion|Lab Grown|IGI

4.85ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG817691629

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817691629

Diamond specifications and retailer prices

From HK$9,412 HKD
£945 GBP
As of October 25, 2026
3 retailers carry this diamond
Most expensive: HK$37,740 HKD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

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 LG817691629 or 817691629. Listed at 3 retailers as of October 22, 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

4.85
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817691629
Dimensions11.89 × 8.71 × 5.77 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm8.71 mm4.85 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817691629
Side View
Table 63.0%Crown 38.2°Girdle: MED-THKPavilion 36°Culet: NoneDepth 66.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 25
Current: HK$37,740 HKD|Low: HK$5,563 HKD|High: HK$38,838 HKD|Avg: HK$17,505 HKD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3HK$5,563 HKD
Retailer 5HK$7,140 HKD
Retailer 6HK$9,196 HKD
Retailer 2HK$9,412 HKD
Retailer 4HK$29,344 HKD
Brilliant EarthHK$37,740 HKD

30 data points across 6 retailers

3 retailersHK$9,412 HKD to HK$37,740 HKD

Retailer 1
-
HK$9,412 HKD
£945 GBP
Price last confirmed 8 days ago
Retailer 2
-
HK$29,344 HKD
$3,740 USD
View
Price last confirmed 25 days ago
Most Expensive
Brilliant Earth
21331821A · Oct 22
HK$37,740 HKD
$4,810 USD
View
Price last confirmed 11 days ago
2 more retailers have this diamond

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.

4.85ct Cushion
HK$9,412 HKD