Princess|Natural|GIA

1.00ct E SI1 Princess Natural Diamond

ID • E/SI1 • GIA 7551451265

Certificate GIA 7551451265

Diamond specifications and retailer prices

From £1,635 GBP
As of November 4, 2026
Save £2,751 GBP (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,386 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural princess diamond

This 1ct natural princess sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551451265. Listed at 24 retailers as of November 4, 2026, with prices from £1,635 to £4,386, a £2,751 spread on the same certified stone. NZ Jewellers lists it at £4,386. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle21.58°
Pavilion angle41.27°
OriginNatural
Grading LabGIA
CertificateGIA 7551451265
Dimensions5.57 × 5.41 × 4.00 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Knot, Needle, Pinpoint
Top View
5.57 mm5.41 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551451265
Side View
Table 78.0%Crown 21.58°Girdle: STK-STKPavilion 41.27°Culet: NoneDepth 74.1%

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: Nov 4
Current: £2,274 GBP|Low: £1,635 GBP|High: £3,714 GBP|Avg: £2,337 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11£1,635 GBP
Retailer 8£1,638 GBP
Retailer 9£1,869 GBP
Retailer 2£1,993 GBP
Retailer 6£2,034 GBP
Retailer 5£2,220 GBP
Retailer 1£2,274 GBP
Retailer 3£2,413 GBP
Retailer 4£2,441 GBP
Retailer 7£2,560 GBP
Retailer 10£3,664 GBP

24 data points across 11 retailers

24 retailers£1,635 GBP to £4,386 GBP

A
Cheapest Retailer
-
£1,635 GBP
A
Retailer 2
-
£1,638 GBP
View
B+
Retailer 3
-
£1,856 GBP
View
B+
Retailer 4
-
£1,869 GBP
View
B+
Retailer 5
-
£1,879 GBP
View
B+
Retailer 6
-
£1,935 GBP
View
Final sale: no returns
B+
Retailer 7
-
£1,993 GBP
View
B+
Retailer 8
-
£2,034 GBP
View
B+
Retailer 9
-
£2,058 GBP
View
Retailer 10
-
£2,097 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£2,097 GBP
View
B+
Retailer 12
-
£2,178 GBP
View
B+
Retailer 13
-
£2,203 GBP
View
B+
Retailer 14
-
£2,220 GBP
View
B+
Retailer 15
-
£2,274 GBP
View
Retailer 16
-
£2,350 GBP
View
Price last confirmed 30 days ago
B+
Retailer 17
-
£2,390 GBP
View
B+
Retailer 18
-
£2,421 GBP
View
B+
Retailer 19
-
£2,441 GBP
View
B
Retailer 20
-
£2,560 GBP
View
B
Retailer 21
-
£3,077 GBP
View
B
Retailer 22
-
£3,163 GBP
View
B
Retailer 23
-
£3,664 GBP
View
Most Expensive
B
NZ Jewellers
e0c47701-3c73-4a17-8f2f-1de51f6d0783 · Nov 5
£4,386 GBP
$5,903 USD
View
23 more retailers have this diamond
Prices start from £1,635 GBPSave up to £2,751 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
1.00ct Princess
£1,635 GBP