CaratHunter
Plans
Princess|Natural|GIA

1.29ct G SI1 Princess Natural Diamond

EX • G/SI1 • GIA 7518945683

Certificate GIA 7518945683

Diamond specifications and retailer prices

From £3,045 GBP
CA$5,666 CAD
As of October 30, 2026
Save £882 GBP (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,926 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.29ct natural princess diamond

This 1.29ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G 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 7518945683. Listed at 2 retailers as of October 30, 2026, with prices from £3,045 to £3,926, a £882 spread on the same certified stone. 77 Diamonds lists it at £3,926. 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

1.29
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.03°
Pavilion angle39.87°
OriginNatural
Grading LabGIA
CertificateGIA 7518945683
Dimensions6.10 × 6.01 × 4.30 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.10 mm6.01 mm1.29 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518945683
Side View
Table 73.0%Crown 22.03°Girdle: STK-THKPavilion 39.87°Culet: NoneDepth 71.6%

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: Oct 30
Current: £3,926 GBP|Low: £3,045 GBP|High: £3,940 GBP|Avg: £3,478 GBP|+2.1%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2£3,045 GBP
77 Diamonds£3,926 GBP

36 data points across 2 retailers

2 retailers£3,045 GBP to £3,926 GBP

B+
Cheapest Retailer
-
£3,045 GBP
CA$5,666 CAD
Most Expensive
B
77 Diamonds
PRIMBAAAUBN3A · Nov 1
£3,926 GBP
View
1 more retailer has this diamond
Prices start from £3,045 GBPSave up to £882 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+
1.29ct Princess
£3,045 GBP