Princess|Natural|GIA

1.51ct I SI2 Princess Natural Diamond

EX • I/SI2 • GIA 6481094930

Certificate GIA 6481094930

Diamond specifications and retailer prices

From £2,123 GBP
As of November 6, 2026
Save £2,554 GBP (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,677 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6481094930. Listed at 12 retailers as of November 4, 2026, with prices from £2,123 to £4,677, a £2,554 spread on the same certified stone. MOH London lists it at £4,677. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6481094930
Dimensions6.28 × 6.15 × 4.67 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Top View
6.28 mm6.15 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6481094930
Side View
Table 72.0%CrownGirdle: Slightly ThickPavilionCulet: Very SmallDepth 74.7%

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 6
Current: £4,677 GBP|Low: £2,046 GBP|High: £4,689 GBP|Avg: £2,816 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7£2,123 GBP
Retailer 12£2,247 GBP
Retailer 9£2,280 GBP
Retailer 8£2,598 GBP
Retailer 2£2,795 GBP
Retailer 3£2,876 GBP
Retailer 10£2,876 GBP
Retailer 6£2,902 GBP
Retailer 11£2,973 GBP
Retailer 5£3,075 GBP
Retailer 4£4,050 GBP
MOH London£4,677 GBP

42 data points across 12 retailers

12 retailers£2,123 GBP to £4,677 GBP

A
Cheapest Retailer
-
£2,123 GBP
A
Retailer 2
-
£2,247 GBP
View
A
Retailer 3
-
£2,280 GBP
View
A
Retailer 4
-
£2,598 GBP
View
A
Retailer 5
-
£2,795 GBP
View
A
Retailer 6
-
£2,876 GBP
View
A
Retailer 7
-
£2,876 GBP
View
A
Retailer 8
-
£2,902 GBP
View
A
Retailer 9
-
£2,973 GBP
View
A
Retailer 10
-
£3,075 GBP
View
B+
Retailer 11
-
£4,050 GBP
View
Most Expensive
B
MOH London
0C03C5249 · Nov 4
£4,677 GBP
View
11 more retailers have this diamond
Prices start from £2,123 GBPSave up to £2,554 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
£2,123 GBP