CaratHunter
Plans
Princess|Natural|GIA

1.05ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 1313586859

Certificate GIA 1313586859

Diamond specifications and retailer prices

From £2,072 GBP
$2,781 USD
As of November 2, 2026
Save £1,076 GBP (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,148 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.05ct natural princess diamond

This 1.05ct natural princess sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1313586859. Listed at 6 retailers as of November 1, 2026, with prices from £2,072 to £3,148, a £1,076 spread on the same certified stone. 77 Diamonds lists it at £3,148. 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

1.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1313586859
Dimensions5.77 × 5.68 × 3.90 mm
L/W Ratio1.02
Top View
5.77 mm5.68 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1313586859
Side View
Table 74.0%CrownGirdlePavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,148 GBP|Low: £2,045 GBP|High: £3,155 GBP|Avg: £2,610 GBP|+0.9%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£2,072 GBP
Retailer 2£2,629 GBP
77 Diamonds£3,148 GBP

35 data points across 3 retailers

6 retailers£2,072 GBP to £3,148 GBP

B+
Cheapest Retailer
-
£2,072 GBP
$2,781 USD
B
Retailer 2
-
£2,191 GBP
$2,940 USD
View
B
Retailer 3
-
£2,228 GBP
A$4,600 AUD
View
B
Retailer 4
-
£2,629 GBP
$3,528 USD
View
Retailer 5
-
£2,629 GBP
$3,528 USD
View
Price last confirmed 14 days ago
Most Expensive
B
77 Diamonds
PRIMBDHEFPWUD · Nov 1
£3,148 GBP
View
5 more retailers have this diamond
Prices start from £2,072 GBPSave up to £1,076 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.

B+
1.05ct Princess
£2,072 GBP