Cushion|Lab Grown|IGI

4.86ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG826608028

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826608028

Diamond specifications and retailer prices

From £668 GBP
HK$7,000 HKD
As of November 1, 2026
Save £2,062 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,730 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 4.86ct lab-grown cushion diamond

This 4.86ct 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 LG826608028 or 826608028. Listed at 14 retailers as of November 1, 2026, with prices from £668 to £2,730, a £2,062 spread on the same certified stone. With Clarity lists it at £2,730. 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

4.86
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826608028
Dimensions12.22 × 8.48 × 5.68 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.22 mm8.48 mm4.86 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826608028
Side View
Table 65.0%Crown 30.7°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 67.0%

Caratlytics Score

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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: £921 GBP|Low: £576 GBP|High: £2,675 GBP|Avg: £1,535 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 2, 2026
Retailer 11£576 GBP
Retailer 9£668 GBP
Retailer 7£708 GBP
Retailer 1£921 GBP
Retailer 13£938 GBP
Retailer 8£1,226 GBP
Retailer 10£1,241 GBP
Retailer 4£1,490 GBP
Retailer 3£1,794 GBP
Retailer 2£1,942 GBP
Retailer 12£1,964 GBP
Retailer 5£1,987 GBP
Retailer 6£2,426 GBP
With Clarity£2,675 GBP

45 data points across 14 retailers

14 retailers£668 GBP to £2,730 GBP

Retailer 1
-
£576 GBP
$773 USD
Price last confirmed 17 days ago
A
Retailer 2
-
£668 GBP
HK$7,000 HKD
View
A
Retailer 3
-
£708 GBP
$950 USD
View
A
Retailer 4
-
£921 GBP
View
B+
Retailer 5
-
£938 GBP
$1,259 USD
View
A
Retailer 6
-
£1,226 GBP
ZAR 26,571 ZAR
View
Retailer 7
-
£1,241 GBP
A$2,562 AUD
View
Price last confirmed 12 days ago
A
Retailer 8
-
£1,490 GBP
$1,999 USD
View
B+
Retailer 9
-
£1,794 GBP
View
B+
Retailer 10
-
£1,942 GBP
SGD 3,521 SGD
View
B+
Retailer 11
-
£1,964 GBP
$2,636 USD
View
B+
Retailer 12
-
£1,987 GBP
$2,666 USD
View
B+
Retailer 13
-
£2,426 GBP
View
Most Expensive
B
With Clarity
826608028 · Nov 2
£2,730 GBP
$3,663 USD
View
13 more retailers have this diamond
Prices start from £668 GBPSave up to £2,062 GBP

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
4.86ct Cushion
£668 GBP