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Cushion|Lab Grown|IGI

4.04ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG837618750

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

Certificate IGI LG837618750

Diamond specifications and retailer prices

From £1,704 GBP
$2,283 USD
As of November 2, 2026
Save £4,840 GBP (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,143 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 4.04ct lab-grown cushion diamond

This 4.04ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837618750 or 837618750. Listed at 20 retailers as of October 31, 2026, with a 284% 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

4.04
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle60.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837618750
Dimensions8.94 × 8.71 × 5.76 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
8.94 mm8.71 mm4.04 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837618750
Side View
Table 58.0%Crown 38.8°Girdle: THK-VTKPavilion 60.1°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,808 GBP|Low: £1,704 GBP|High: £203,564 GBP|Avg: £4,495 GBP|+4.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 1, 2026
Retailer 4£1,704 GBP
Retailer 9£1,807 GBP
Retailer 19£1,872 GBP
Retailer 2£1,987 GBP
Retailer 7£1,996 GBP
Retailer 11£2,159 GBP
Retailer 13£2,205 GBP
Retailer 17£2,574 GBP
Retailer 1£2,808 GBP
Retailer 14£2,825 GBP
Retailer 8£3,549 GBP
Retailer 15£3,984 GBP
Retailer 12£4,010 GBP
Retailer 18£4,291 GBP
Retailer 3£4,643 GBP
Retailer 16£5,085 GBP
Retailer 5£5,305 GBP
Retailer 6£6,260 GBP
Retailer 10£6,543 GBP
With Clarity£9,143 GBP

32 data points across 20 retailers

20 retailers£1,704 GBP to £6,543 GBP

B+
Cheapest Retailer
-
£1,704 GBP
$2,283 USD
B+
Retailer 2
-
£1,807 GBP
$2,421 USD
View
Final sale: no returns
Retailer 3
-
£1,872 GBP
$2,508 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
£1,987 GBP
$2,663 USD
View
B+
Retailer 5
-
£1,996 GBP
$2,675 USD
View
B+
Retailer 6
-
£2,159 GBP
HK$22,600 HKD
View
B+
Retailer 7
-
£2,205 GBP
View
B
Retailer 8
-
£2,574 GBP
$3,449 USD
View
B
Retailer 9
-
£2,808 GBP
$3,762 USD
View
B
Retailer 10
-
£2,825 GBP
€3,605 EUR
View
B
Retailer 11
-
£3,549 GBP
View
B
Retailer 12
-
£3,984 GBP
ZAR 86,247 ZAR
View
B
Retailer 13
-
£4,010 GBP
A$8,266 AUD
View
B
Retailer 14
-
£4,291 GBP
$5,750 USD
View
B
Retailer 15
-
£4,643 GBP
$6,222 USD
View
B
Retailer 16
-
£5,085 GBP
View
B
Retailer 17
-
£5,305 GBP
$7,108 USD
View
B
Retailer 18
-
£6,260 GBP
SGD 11,334 SGD
View
B
Retailer 19
-
£6,543 GBP
$8,767 USD
View
Most Expensive
With Clarity
837618750 · Nov 2
£9,143 GBP
$12,251 USD
View
Price under review
19 more retailers have this diamond
Prices start from £1,704 GBPSave up to £4,840 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.

B+
4.04ct Cushion
£1,704 GBP