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Princess|Natural|GIA

1.51ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 7562414112

Certificate GIA 7562414112

Diamond specifications and retailer prices

From £1,989 GBP
As of November 4, 2026
Save £1,783 GBP (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,772 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7562414112. Listed at 13 retailers as of November 4, 2026, with prices from £1,989 to £3,772, a £1,783 spread on the same certified stone. Helzberg Diamonds lists it at £3,772. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.56°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 7562414112
Dimensions6.25 × 6.19 × 4.53 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.25 mm6.19 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7562414112
Side View
Table 73.0%Crown 26.56°Girdle: MED-THKPavilion 40°Culet: NoneDepth 73.1%

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: £3,772 GBP|Low: £1,989 GBP|High: £4,001 GBP|Avg: £2,681 GBP|-5.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4£1,989 GBP
Retailer 2£2,137 GBP
Retailer 5£2,174 GBP
Retailer 11£2,211 GBP
Retailer 10£2,302 GBP
Retailer 6£2,340 GBP
Retailer 3£2,388 GBP
Retailer 12£2,555 GBP
Retailer 13£2,624 GBP
Retailer 9£2,637 GBP
Retailer 8£3,095 GBP
Retailer 7£3,696 GBP
Helzberg Diamonds£3,772 GBP

31 data points across 13 retailers

13 retailers£1,989 GBP to £3,772 GBP

A
Cheapest Retailer
-
£1,989 GBP
A
Retailer 2
-
£2,137 GBP
View
A
Retailer 3
-
£2,174 GBP
View
A
Retailer 4
-
£2,211 GBP
View
A
Retailer 5
-
£2,302 GBP
View
A
Retailer 6
-
£2,340 GBP
View
A
Retailer 7
-
£2,388 GBP
View
A
Retailer 8
-
£2,555 GBP
View
A
Retailer 9
-
£2,624 GBP
View
A
Retailer 10
-
£2,637 GBP
View
A
Retailer 11
-
£3,095 GBP
View
B+
Retailer 12
-
£3,696 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRNLMIKHKHHI · Nov 6
£3,772 GBP
$5,049 USD
View
12 more retailers have this diamond
Prices start from £1,989 GBPSave up to £1,783 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
£1,989 GBP