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Princess|Lab Grown|IGI

5.51ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG846693766

Shape and cutting style on the report: Princess cut

Certificate IGI LG846693766

Diamond specifications and retailer prices

From £1,044 GBP
$1,390 USD
As of October 26, 2026
Save £2,921 GBP (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,965 GBP at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 5.51ct lab-grown princess diamond

This 5.51ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846693766 or 846693766. Listed at 9 retailers as of October 25, 2026, with prices from £1,044 to £3,965, a £2,921 spread on the same certified stone. Rare Carat lists it at £3,965. 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

5.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846693766
Dimensions9.66 × 9.59 × 7.02 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.59 mm5.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846693766
Side View
Table 75.0%Crown 40.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 73.2%

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 26
Current: £3,965 GBP|Low: £1,044 GBP|High: £4,160 GBP|Avg: £2,404 GBP|-4.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£1,044 GBP
Retailer 2£1,060 GBP
Retailer 3£1,101 GBP
Retailer 5£1,114 GBP
Retailer 7£1,911 GBP
Retailer 8£2,389 GBP
Retailer 9£2,474 GBP
Retailer 4£2,604 GBP
Rare Carat£3,965 GBP

16 data points across 9 retailers

9 retailers£1,044 GBP to £3,965 GBP

A
Cheapest Retailer
-
£1,044 GBP
$1,390 USD
A
Retailer 2
-
£1,060 GBP
View
A
Retailer 3
-
£1,101 GBP
€1,396 EUR
View
B+
Retailer 4
-
£1,114 GBP
$1,484 USD
View
B+
Retailer 5
-
£1,911 GBP
$2,545 USD
View
B+
Retailer 6
-
£2,389 GBP
$3,181 USD
View
B+
Retailer 7
-
£2,474 GBP
$3,294 USD
View
B+
Retailer 8
-
£2,604 GBP
View
Most Expensive
B
Rare Carat
DGD-DNG-25268 · Oct 25
£3,965 GBP
$5,280 USD
View
8 more retailers have this diamond
Prices start from £1,044 GBPSave up to £2,921 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
5.51ct Princess
£1,044 GBP