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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

ID • H/SI1 • GIA 7556995128

Certificate GIA 7556995128

Diamond specifications and retailer prices

From £2,779 GBP
₹354,681 INR
As of November 1, 2026
Save £1,475 GBP (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,254 GBP at Jared · As of November 2, 2026
View at Jared

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded H 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 7556995128. Listed at 9 retailers as of November 1, 2026, with prices from £2,779 to £4,254, a £1,475 spread on the same certified stone. Jared lists it at £4,254. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556995128
Dimensions6.38 × 6.25 × 4.52 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Feather, Crystal, Knot, Cloud, Needle
Top View
6.38 mm6.25 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556995128
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.3%

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: £4,254 GBP|Low: £2,773 GBP|High: £4,254 GBP|Avg: £3,494 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3£2,779 GBP
Retailer 6£3,310 GBP
Retailer 2£3,532 GBP
Retailer 8£3,561 GBP
Retailer 7£3,585 GBP
Retailer 9£3,671 GBP
Retailer 4£3,814 GBP
Retailer 5£3,814 GBP
Jared£4,254 GBP

45 data points across 9 retailers

9 retailers£2,779 GBP to £4,254 GBP

A
Cheapest Retailer
-
£2,779 GBP
₹354,681 INR
A
Retailer 2
-
£3,310 GBP
$4,435 USD
View
B+
Retailer 3
-
£3,532 GBP
View
B+
Retailer 4
-
£3,561 GBP
SGD 6,447 SGD
View
B+
Retailer 5
-
£3,585 GBP
$4,803 USD
View
B+
Retailer 6
-
£3,671 GBP
A$7,568 AUD
View
B+
Retailer 7
-
£3,814 GBP
$5,110 USD
View
B+
Retailer 8
-
£3,814 GBP
$5,110 USD
View
Most Expensive
B+
Jared
160173294 · Nov 2
£4,254 GBP
$5,700 USD
View
8 more retailers have this diamond
Prices start from £2,779 GBPSave up to £1,475 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
£2,779 GBP