Cushion|Lab Grown|IGI

4.81ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG831634083

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831634083

Diamond specifications and retailer prices

From HK$9,335 HKD
£937 GBP
As of October 25, 2026
2 retailers carry this diamond
Most expensive: HK$29,148 HKD at Rare Carat · As of October 5, 2026
View at Rare Carat

About this 4.81ct lab-grown cushion diamond

This 4.81ct 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 LG831634083 or 831634083. Listed at 2 retailers as of October 5, 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

4.81
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831634083
Dimensions12.08 × 8.72 × 5.78 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.08 mm8.72 mm4.81 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831634083
Side View
Table 62.0%Crown 34°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 66.3%

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$29,148 HKD|Low: HK$5,516 HKD|High: HK$29,148 HKD|Avg: HK$11,744 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 25, 2026
Retailer 3HK$5,516 HKD
Retailer 4HK$7,101 HKD
Retailer 5HK$9,125 HKD
Retailer 2HK$9,335 HKD
Rare CaratHK$29,148 HKD

30 data points across 5 retailers

2 retailersHK$9,335 HKD to HK$29,148 HKD

Retailer 1
-
HK$9,335 HKD
£937 GBP
Price last confirmed 8 days ago
Most Expensive
Rare Carat
831634083 · Oct 5
HK$29,148 HKD
$3,715 USD
View
Price last confirmed 28 days ago
1 more retailer has 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.

4.81ct Cushion
HK$9,335 HKD