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Princess|Natural|GIA

1.50ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 3565050510

Certificate GIA 3565050510

Diamond specifications and retailer prices

From £3,105 GBP
As of November 5, 2026
Save £1,076 GBP (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,181 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two 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 3565050510. Listed at 6 retailers as of November 5, 2026, with prices from £3,105 to £4,181, a £1,076 spread on the same certified stone. GemTrove lists it at £4,181. 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565050510
Dimensions6.30 × 6.23 × 4.38 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity
Top View
6.30 mm6.23 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3565050510
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.4%

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 5
Current: £3,457 GBP|Low: £3,105 GBP|High: £4,178 GBP|Avg: £3,518 GBP|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£3,105 GBP
Retailer 5£3,301 GBP
Retailer 1£3,457 GBP
Retailer 4£3,542 GBP
Retailer 3£3,890 GBP

46 data points across 5 retailers

6 retailers£3,105 GBP to £4,181 GBP

A
Cheapest Retailer
-
£3,105 GBP
A
Retailer 2
-
£3,301 GBP
View
A
Retailer 3
-
£3,457 GBP
View
A
Retailer 4
-
£3,542 GBP
View
B+
Retailer 5
-
£3,890 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307970-98 · Nov 6
£4,181 GBP
A$8,658 AUD
View
5 more retailers have this diamond
Prices start from £3,105 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.

A
1.50ct Princess
£3,105 GBP