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Princess|Natural|GIA

1.50ct K SI1 Princess Natural Diamond

GD • K/SI1 • GIA 2507981709

Certificate GIA 2507981709

Diamond specifications and retailer prices

From £1,637 GBP
As of November 4, 2026
Save £729 GBP (31%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,365 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2507981709. Listed at 8 retailers as of November 4, 2026, with prices from £1,637 to £2,365, a £729 spread on the same certified stone. GemTrove lists it at £2,365. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2507981709
Dimensions5.98 × 5.96 × 4.63 mm
L/W Ratio1.00
Top View
5.98 mm5.96 mm1.50 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2507981709
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 77.6%

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 4
Current: £2,365 GBP|Low: £1,482 GBP|High: £2,365 GBP|Avg: £1,965 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£1,637 GBP
Retailer 4£1,784 GBP
Retailer 8£1,830 GBP
Retailer 3£1,898 GBP
Retailer 2£1,917 GBP
Retailer 6£1,950 GBP
Retailer 7£2,073 GBP
GemTrove£2,365 GBP

42 data points across 8 retailers

8 retailers£1,637 GBP to £2,365 GBP

B+
Cheapest Retailer
-
£1,637 GBP
Final sale: no returns
B+
Retailer 2
-
£1,784 GBP
View
B+
Retailer 3
-
£1,830 GBP
View
B+
Retailer 4
-
£1,898 GBP
View
B+
Retailer 5
-
£1,917 GBP
View
B+
Retailer 6
-
£1,950 GBP
View
B+
Retailer 7
-
£2,073 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307743-98 · Nov 6
£2,365 GBP
A$4,898 AUD
View
7 more retailers have this diamond
Prices start from £1,637 GBPSave up to £729 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+
1.50ct Princess
£1,637 GBP