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Princess|Natural|GIA

1.50ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 1543999655

Certificate GIA 1543999655

Diamond specifications and retailer prices

From £1,784 GBP
As of November 6, 2026
Save £553 GBP (24%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,336 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543999655. Listed at 7 retailers as of November 6, 2026, with prices from £1,784 to £2,336, a £553 spread on the same certified stone. GemTrove lists it at £2,336. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543999655
Dimensions6.24 × 6.22 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle, Indented Natural, Natural
Top View
6.24 mm6.22 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543999655
Side View
Table 69.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 72.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,336 GBP|Low: £1,580 GBP|High: £2,338 GBP|Avg: £2,011 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£1,784 GBP
Retailer 4£1,806 GBP
Retailer 7£1,830 GBP
Retailer 2£1,917 GBP
Retailer 6£2,073 GBP
Retailer 5£2,135 GBP
GemTrove£2,336 GBP

41 data points across 7 retailers

7 retailers£1,784 GBP to £2,336 GBP

A
Cheapest Retailer
-
£1,784 GBP
A
Retailer 2
-
£1,806 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,830 GBP
View
A
Retailer 4
-
£1,917 GBP
View
A
Retailer 5
-
£2,073 GBP
View
A
Retailer 6
-
£2,135 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307865-98 · Nov 6
£2,336 GBP
A$4,838 AUD
View
6 more retailers have this diamond
Prices start from £1,784 GBPSave up to £553 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
£1,784 GBP