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Princess|Natural|GIA

1.51ct E SI1 Princess Natural Diamond

EX • E/SI1 • GIA 1553212884

Certificate GIA 1553212884

Diamond specifications and retailer prices

From £3,066 GBP
As of November 4, 2026
Save £1,087 GBP (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,152 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural princess diamond

This 1.51ct 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 1553212884. Listed at 8 retailers as of November 4, 2026, with prices from £3,066 to £4,152, a £1,087 spread on the same certified stone. GemTrove lists it at £4,152. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553212884
Dimensions6.41 × 6.29 × 4.52 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Natural
Top View
6.41 mm6.29 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553212884
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 71.9%

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 4
Current: £3,077 GBP|Low: £2,740 GBP|High: £4,011 GBP|Avg: £3,337 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£3,066 GBP
Retailer 1£3,077 GBP
Retailer 4£3,171 GBP
Retailer 7£3,228 GBP
Retailer 2£3,239 GBP
Retailer 6£3,326 GBP
Retailer 5£3,655 GBP

45 data points across 7 retailers

8 retailers£3,066 GBP to £4,152 GBP

A
Cheapest Retailer
-
£3,066 GBP
A
Retailer 2
-
£3,077 GBP
View
A
Retailer 3
-
£3,171 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,228 GBP
View
A
Retailer 5
-
£3,239 GBP
View
A
Retailer 6
-
£3,326 GBP
View
A
Retailer 7
-
£3,655 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307679-98 · Nov 6
£4,152 GBP
A$8,598 AUD
View
7 more retailers have this diamond
Prices start from £3,066 GBPSave up to £1,087 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
1.51ct Princess
£3,066 GBP