Cushion|Lab Grown|IGI

4.00ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG833671857

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

Certificate IGI LG833671857

Diamond specifications and retailer prices

From £545 GBP
HK$5,700 HKD
As of October 31, 2026
Save £1,654 GBP (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,199 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833671857 or 833671857. Listed at 14 retailers as of October 31, 2026, with prices from £545 to £2,199, a £1,654 spread on the same certified stone. With Clarity lists it at £2,199. 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

4.00
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671857
Dimensions9.14 × 8.79 × 5.75 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm8.79 mm4.00 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671857
Side View
Table 63.0%Crown 34.5°Girdle: THK-VTKPavilion 38°Culet: NoneDepth 65.4%

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: Oct 31
Current: £730 GBP|Low: £442 GBP|High: £2,224 GBP|Avg: £1,240 GBP|+2.3%
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
October 31, 2026
Retailer 5£457 GBP
Retailer 8£545 GBP
Retailer 11£574 GBP
Retailer 13£612 GBP
Retailer 1£730 GBP
Retailer 12£782 GBP
Retailer 3£892 GBP
Retailer 6£1,119 GBP
Retailer 10£1,366 GBP
Retailer 4£1,479 GBP
Retailer 7£1,584 GBP
Retailer 2£2,000 GBP
Retailer 9£2,117 GBP
With Clarity£2,199 GBP

24 data points across 14 retailers

14 retailers£545 GBP to £2,199 GBP

A
Cheapest Retailer
-
£545 GBP
HK$5,700 HKD
Retailer 2
-
£574 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
£612 GBP
$820 USD
View
A
Retailer 4
-
£730 GBP
€931 EUR
View
B+
Retailer 5
-
£782 GBP
$1,048 USD
View
A
Retailer 6
-
£892 GBP
$1,195 USD
View
A
Retailer 7
-
£1,119 GBP
$1,500 USD
View
B+
Retailer 8
-
£1,366 GBP
$1,830 USD
View
Retailer 9
-
£1,388 GBP
$1,860 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
£1,479 GBP
View
B+
Retailer 11
-
£1,584 GBP
SGD 2,868 SGD
View
B
Retailer 12
-
£2,000 GBP
$2,680 USD
View
B+
Retailer 13
-
£2,117 GBP
View
Most Expensive
B+
With Clarity
833671857 · Oct 31
£2,199 GBP
$2,946 USD
View
13 more retailers have this diamond
Prices start from £545 GBPSave up to £1,654 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
4.00ct Cushion
£545 GBP