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Cushion|Lab Grown|IGI

4.71ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG713598220

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

Certificate IGI LG713598220

Diamond specifications and retailer prices

From £728 GBP
As of October 30, 2026
Save £4,572 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,300 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 4.71ct lab-grown cushion diamond

This 4.71ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG713598220 or 713598220. Listed at 8 retailers as of October 30, 2026, with prices from £728 to £5,300, a £4,572 spread on the same certified stone. Frank Darling lists it at £5,300. 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

4.71
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713598220
Dimensions9.21 × 9.15 × 6.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.21 mm9.15 mm4.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713598220
Side View
Table 60.0%Crown 37°Girdle: STK-THKPavilion 33°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,300 GBP|Low: £727 GBP|High: £5,374 GBP|Avg: £3,029 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3£728 GBP
Retailer 2£821 GBP
Retailer 6£1,116 GBP
Retailer 4£2,875 GBP
Retailer 7£4,262 GBP
Retailer 5£5,291 GBP
Frank Darling£5,300 GBP

25 data points across 7 retailers

8 retailers£728 GBP to £5,300 GBP

A
Cheapest Retailer
-
£728 GBP
A
Retailer 2
-
£821 GBP
$1,100 USD
View
A
Retailer 3
-
£1,116 GBP
$1,495 USD
View
B+
Retailer 4
-
£2,601 GBP
$3,485 USD
View
B
Retailer 5
-
£2,875 GBP
View
B
Retailer 6
-
£4,262 GBP
$5,710 USD
View
B
Retailer 7
-
£5,291 GBP
$7,090 USD
View
Most Expensive
B
Frank Darling
LGDCU400-01667UD · Oct 31
£5,300 GBP
$7,102 USD
View
7 more retailers have this diamond
Prices start from £728 GBPSave up to £4,572 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
4.71ct Cushion
£728 GBP