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Princess|Natural|GIA

1.51ct L SI1 Princess Natural Diamond

EX • L/SI1 • GIA 7551237592

Certificate GIA 7551237592

Diamond specifications and retailer prices

From £1,382 GBP
As of November 6, 2026
Save £525 GBP (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,908 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 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 7551237592. Listed at 3 retailers as of November 6, 2026, with prices from £1,382 to £1,908, a £525 spread on the same certified stone. GemTrove lists it at £1,908. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551237592
Dimensions6.07 × 6.07 × 4.53 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle, Natural
Top View
6.07 mm6.07 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551237592
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.7%

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: £1,908 GBP|Low: £1,382 GBP|High: £1,908 GBP|Avg: £1,627 GBP
GemTrove
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,382 GBP
Retailer 2£1,496 GBP
GemTrove£1,908 GBP

41 data points across 3 retailers

3 retailers£1,382 GBP to £1,908 GBP

A
Cheapest Retailer
-
£1,382 GBP
A
Retailer 2
-
£1,496 GBP
View
Most Expensive
B+
GemTrove
GT-N-01307681-98 · Nov 6
£1,908 GBP
A$3,928 AUD
View
2 more retailers have this diamond
Prices start from £1,382 GBPSave up to £525 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
£1,382 GBP