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Princess|Natural|GIA

1.50ct L SI1 Princess Natural Diamond

EX • L/SI1 • GIA 6402181266

Certificate GIA 6402181266

Diamond specifications and retailer prices

From £1,399 GBP
As of November 6, 2026
Save £2,071 GBP (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,471 GBP at NZ Jewellers · As of November 5, 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 L 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 6402181266. Listed at 11 retailers as of November 5, 2026, with prices from £1,399 to £3,471, a £2,071 spread on the same certified stone. NZ Jewellers lists it at £3,471. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6402181266
Dimensions6.18 × 6.03 × 4.58 mm
L/W Ratio1.02
Top View
6.18 mm6.03 mm1.50 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6402181266
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 76.0%

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: £3,471 GBP|Low: £1,398 GBP|High: £3,471 GBP|Avg: £1,787 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£1,399 GBP
Retailer 7£1,423 GBP
Retailer 8£1,423 GBP
Retailer 9£1,489 GBP
Retailer 4£1,536 GBP
Retailer 6£1,642 GBP
Retailer 5£1,736 GBP
Retailer 3£1,933 GBP
NZ Jewellers£3,471 GBP

34 data points across 9 retailers

11 retailers£1,399 GBP to £3,471 GBP

A
Cheapest Retailer
-
£1,399 GBP
Retailer 2
-
£1,423 GBP
View
Price last confirmed 8 days ago
A
Retailer 3
-
£1,423 GBP
View
Retailer 4
-
£1,423 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£1,456 GBP
View
A
Retailer 6
-
£1,489 GBP
View
A
Retailer 7
-
£1,536 GBP
View
B+
Retailer 8
-
£1,642 GBP
View
B+
Retailer 9
-
£1,736 GBP
View
B+
Retailer 10
-
£1,933 GBP
View
Most Expensive
C
NZ Jewellers
d562a058-38c7-46d9-9920-bac122a018c2 · Nov 5
£3,471 GBP
$4,671 USD
View
10 more retailers have this diamond
Prices start from £1,399 GBPSave up to £2,071 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
£1,399 GBP