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Princess|Lab Grown|IGI

4.78ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG683589641

Shape and cutting style on the report: Princess cut

Certificate IGI LG683589641

Diamond specifications and retailer prices

From £478 GBP
$641 USD
As of October 30, 2026
Save £3,626 GBP (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,105 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.78ct lab-grown princess diamond

This 4.78ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG683589641 or 683589641. Listed at 25 retailers as of October 30, 2026, with prices from £478 to £4,105, a £3,626 spread on the same certified stone. Brilliant Earth lists it at £4,105. 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

4.78
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683589641
Dimensions9.23 × 9.20 × 6.47 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm9.20 mm4.78 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683589641
Side View
Table 71.0%Crown 41.6°Girdle: MediumPavilion 38.7°Culet: NoneDepth 70.3%

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: £4,105 GBP|Low: £478 GBP|High: £5,590 GBP|Avg: £1,687 GBP|-26.6%
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
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 3£478 GBP
Retailer 10£536 GBP
Retailer 15£687 GBP
Retailer 18£795 GBP
Retailer 6£835 GBP
Retailer 11£887 GBP
Retailer 12£904 GBP
Retailer 14£1,182 GBP
Retailer 2£1,190 GBP
Retailer 17£1,418 GBP
Retailer 7£1,608 GBP
Retailer 5£1,791 GBP
Retailer 9£1,851 GBP
Retailer 13£2,352 GBP
Retailer 4£2,455 GBP
Retailer 8£2,575 GBP
Retailer 16£3,332 GBP
Brilliant Earth£4,105 GBP

42 data points across 18 retailers

25 retailers£478 GBP to £4,105 GBP

A
Cheapest Retailer
-
£478 GBP
$641 USD
A
Retailer 2
-
£521 GBP
$698 USD
View
A
Retailer 3
-
£536 GBP
$718 USD
View
Final sale: no returns
Retailer 4
-
£555 GBP
$744 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£555 GBP
$744 USD
View
A
Retailer 6
-
£687 GBP
$920 USD
View
B+
Retailer 7
-
£795 GBP
$1,065 USD
View
A
Retailer 8
-
£835 GBP
$1,119 USD
View
A
Retailer 9
-
£887 GBP
View
A
Retailer 10
-
£904 GBP
€1,153 EUR
View
A
Retailer 11
-
£1,182 GBP
ZAR 25,576 ZAR
View
A
Retailer 12
-
£1,190 GBP
A$2,452 AUD
View
B+
Retailer 13
-
£1,418 GBP
$1,900 USD
View
B+
Retailer 14
-
£1,561 GBP
$2,091 USD
View
B+
Retailer 15
-
£1,608 GBP
$2,155 USD
View
B+
Retailer 16
-
£1,729 GBP
View
B+
Retailer 17
-
£1,791 GBP
$2,400 USD
View
B+
Retailer 18
-
£1,851 GBP
$2,481 USD
View
B+
Retailer 19
-
£1,894 GBP
$2,538 USD
View
B+
Retailer 20
-
£1,916 GBP
$2,567 USD
View
B+
Retailer 21
-
£2,352 GBP
View
Retailer 22
-
£2,455 GBP
A$5,060 AUD
View
Price last confirmed 23 days ago
B
Retailer 23
-
£2,627 GBP
$3,520 USD
View
Retailer 24
-
£3,332 GBP
$4,465 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
13802375A · Oct 30
£4,105 GBP
$5,500 USD
View
24 more retailers have this diamond
Prices start from £478 GBPSave up to £3,626 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
4.78ct Princess
£478 GBP