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Cushion|Lab Grown|IGI

4.50ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG658482202

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG658482202

Diamond specifications and retailer prices

From £621 GBP
HK$6,500 HKD
As of October 31, 2026
Save £1,911 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,532 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG658482202 or 658482202. Listed at 12 retailers as of October 31, 2026, with prices from £621 to £2,532, a £1,911 spread on the same certified stone. With Clarity lists it at £2,532. 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

4.50
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658482202
Dimensions9.56 × 9.50 × 6.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.56 mm9.50 mm4.50 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658482202
Side View
Table 64.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 67.4%

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: £859 GBP|Low: £621 GBP|High: £3,894 GBP|Avg: £1,751 GBP|-12.8%
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
With Clarity
October 31, 2026
Retailer 13£621 GBP
Retailer 7£627 GBP
Retailer 9£664 GBP
Retailer 11£821 GBP
Retailer 1£859 GBP
Retailer 2£869 GBP
Retailer 14£1,037 GBP
Retailer 12£1,130 GBP
Retailer 8£1,137 GBP
Retailer 3£1,834 GBP
Retailer 10£2,477 GBP
With Clarity£2,532 GBP
Retailer 6£2,629 GBP
Retailer 5£3,351 GBP
Retailer 4£3,894 GBP

5 data points across 15 retailers

12 retailers£621 GBP to £2,532 GBP

A
Cheapest Retailer
-
£621 GBP
HK$6,500 HKD
A
Retailer 2
-
£627 GBP
View
A
Retailer 3
-
£664 GBP
$890 USD
View
A
Retailer 4
-
£821 GBP
$1,100 USD
View
A
Retailer 5
-
£859 GBP
€1,096 EUR
View
B+
Retailer 6
-
£869 GBP
$1,164 USD
View
A
Retailer 7
-
£1,037 GBP
$1,390 USD
View
A
Retailer 8
-
£1,130 GBP
ZAR 24,451 ZAR
View
A
Retailer 9
-
£1,137 GBP
A$2,343 AUD
View
B+
Retailer 10
-
£1,834 GBP
$2,457 USD
View
B+
Retailer 11
-
£2,477 GBP
View
Most Expensive
B+
With Clarity
658482202 · Oct 31
£2,532 GBP
$3,392 USD
View
11 more retailers have this diamond
Prices start from £621 GBPSave up to £1,911 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
4.50ct Cushion
£621 GBP