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Round|Lab Grown|IGI

4.71ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG571309412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571309412

Diamond specifications and retailer prices

From £516 GBP
$691 USD
As of October 31, 2026
Save £2,059 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,575 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.71ct lab-grown round diamond

This 4.71ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571309412 or 571309412. Listed at 16 retailers as of October 30, 2026, with prices from £516 to £2,575, a £2,059 spread on the same certified stone. Brilliant Earth lists it at £2,575. 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
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571309412
Dimensions10.72 × 10.68 × 6.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.72 mm10.68 mm4.71 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571309412
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

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: £2,575 GBP|Low: £327 GBP|High: £4,575 GBP|Avg: £1,378 GBP|-43.7%
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
October 31, 2026
Retailer 5£499 GBP
Retailer 11£516 GBP
Retailer 6£668 GBP
Retailer 2£784 GBP
Retailer 4£874 GBP
Retailer 12£877 GBP
Retailer 8£1,136 GBP
Retailer 13£1,206 GBP
Retailer 9£1,416 GBP
Retailer 10£1,832 GBP
Retailer 3£1,844 GBP
Retailer 7£2,491 GBP
Brilliant Earth£2,575 GBP

31 data points across 13 retailers

16 retailers£516 GBP to £2,575 GBP

Retailer 1
-
£403 GBP
$540 USD
Price last confirmed 38 days ago
Retailer 2
-
£452 GBP
$605 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£493 GBP
$661 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£516 GBP
$691 USD
View
Final sale: no returns
A
Retailer 5
-
£668 GBP
$895 USD
View
A
Retailer 6
-
£784 GBP
€1,001 EUR
View
B+
Retailer 7
-
£874 GBP
$1,171 USD
View
A
Retailer 8
-
£877 GBP
$1,175 USD
View
B+
Retailer 9
-
£1,136 GBP
ZAR 24,595 ZAR
View
B+
Retailer 10
-
£1,206 GBP
$1,616 USD
View
Retailer 11
-
£1,314 GBP
$1,761 USD
View
Price last confirmed 34 days ago
B+
Retailer 12
-
£1,416 GBP
$1,897 USD
View
Retailer 13
-
£1,832 GBP
$2,455 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
£1,844 GBP
$2,471 USD
View
B
Retailer 15
-
£2,491 GBP
View
Most Expensive
B
Brilliant Earth
7624185A · Oct 30
£2,575 GBP
$3,450 USD
View
15 more retailers have this diamond
Prices start from £516 GBPSave up to £2,059 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 Round
£516 GBP