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Princess|Natural|GIA

1.50ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 3545988731

Certificate GIA 3545988731

Diamond specifications and retailer prices

From £3,174 GBP
$4,253 USD
As of November 1, 2026
Save £3,139 GBP (50%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,313 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two 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 3545988731. Listed at 14 retailers as of October 30, 2026, with prices from £3,174 to £6,313, a £3,139 spread on the same certified stone. NZ Jewellers lists it at £6,313. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3545988731
Dimensions6.30 × 6.29 × 4.51 mm
L/W Ratio1.00
Top View
6.30 mm6.29 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545988731
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 71.7%

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 1
Current: £6,313 GBP|Low: £3,174 GBP|High: £6,627 GBP|Avg: £4,432 GBP|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4£3,174 GBP
Retailer 12£3,260 GBP
Retailer 8£3,260 GBP
Retailer 9£3,511 GBP
Retailer 5£3,636 GBP
Retailer 6£3,805 GBP
Retailer 10£3,881 GBP
Retailer 13£3,881 GBP
Retailer 2£4,271 GBP
Retailer 3£4,329 GBP
Retailer 11£5,517 GBP
Retailer 7£6,012 GBP
NZ Jewellers£6,313 GBP

41 data points across 13 retailers

14 retailers£3,174 GBP to £6,313 GBP

Retailer 1
-
£3,015 GBP
A$6,215 AUD
Price last confirmed 174 days ago
A
Retailer 2
-
£3,174 GBP
$4,253 USD
View
A
Retailer 3
-
£3,260 GBP
$4,368 USD
View
A
Retailer 4
-
£3,260 GBP
CA$6,068 CAD
View
B+
Retailer 5
-
£3,511 GBP
$4,704 USD
View
B+
Retailer 6
-
£3,636 GBP
$4,872 USD
View
B+
Retailer 7
-
£3,805 GBP
View
B+
Retailer 8
-
£3,881 GBP
$5,200 USD
View
B+
Retailer 9
-
£3,881 GBP
$5,200 USD
View
B+
Retailer 10
-
£4,271 GBP
€5,450 EUR
View
B+
Retailer 11
-
£4,329 GBP
$5,800 USD
View
B
Retailer 12
-
£5,517 GBP
$7,392 USD
View
B
Retailer 13
-
£6,012 GBP
View
Most Expensive
B
NZ Jewellers
ba9b3259-df4c-4680-b444-5b808ae388d2 · Oct 30
£6,313 GBP
$8,459 USD
View
13 more retailers have this diamond
Prices start from £3,174 GBPSave up to £3,139 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
£3,174 GBP