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Cushion|Lab Grown|IGI

4.70ct H VS1 Cushion Lab Grown Diamond

GD • H/VS1 • IGI LG588349228

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG588349228

Diamond specifications and retailer prices

From £638 GBP
$855 USD
As of October 31, 2026
Save £1,817 GBP (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,455 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.7ct lab-grown cushion diamond

This 4.7ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG588349228 or 588349228. Listed at 14 retailers as of October 31, 2026, with prices from £638 to £2,455, a £1,817 spread on the same certified stone. Brilliant Earth lists it at £2,455. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.70
Carat
H
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588349228
Dimensions9.84 × 9.67 × 6.34 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.84 mm9.67 mm4.70 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588349228
Side View
Table 63.0%Crown 36.8°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 65.6%

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: £2,455 GBP|Low: £426 GBP|High: £2,538 GBP|Avg: £1,269 GBP|-3.2%
Brilliant Earth
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
October 31, 2026
Retailer 5£487 GBP
Retailer 14£540 GBP
Retailer 8£638 GBP
Retailer 2£745 GBP
Retailer 6£829 GBP
Retailer 15£849 GBP
Retailer 11£1,074 GBP
Retailer 9£1,081 GBP
Retailer 3£1,108 GBP
Retailer 12£1,570 GBP
Retailer 7£1,719 GBP
Retailer 4£1,746 GBP
Retailer 13£1,847 GBP
Retailer 10£2,354 GBP
Brilliant Earth£2,455 GBP

31 data points across 15 retailers

14 retailers£638 GBP to £2,455 GBP

Retailer 1
-
£540 GBP
$723 USD
Price last confirmed 21 days ago
B+
Retailer 2
-
£638 GBP
$855 USD
View
A
Retailer 3
-
£745 GBP
€951 EUR
View
B
Retailer 4
-
£829 GBP
$1,111 USD
View
B+
Retailer 5
-
£849 GBP
$1,137 USD
View
B+
Retailer 6
-
£1,074 GBP
ZAR 23,243 ZAR
View
B+
Retailer 7
-
£1,081 GBP
A$2,228 AUD
View
B+
Retailer 8
-
£1,108 GBP
$1,485 USD
View
B+
Retailer 9
-
£1,570 GBP
View
Retailer 10
-
£1,719 GBP
$2,303 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
£1,746 GBP
$2,340 USD
View
Retailer 12
-
£1,847 GBP
$2,475 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
£2,354 GBP
View
Most Expensive
B
Brilliant Earth
7646314A · Oct 31
£2,455 GBP
$3,290 USD
View
13 more retailers have this diamond
Prices start from £638 GBPSave up to £1,817 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
4.70ct Cushion
£638 GBP