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Princess|Natural|IGI

1.51ct L SI1 Princess Natural Diamond

VG • L/SI1 • IGI 729536764

Shape and cutting style on the report: Princess cut

Certificate IGI 729536764

Diamond specifications and retailer prices

From £1,366 GBP
As of November 6, 2026
5 retailers carry this diamond
Most expensive: £3,314 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 very-good cut grade and certified by IGI 729536764. Listed at 5 retailers as of November 6, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.2°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 729536764
Dimensions6.34 × 6.24 × 4.59 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.34 mm6.24 mm1.51 ctL / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536764
Side View
Table 73.0%Crown 45.2°Girdle: MediumPavilion 39.8°Culet: NoneDepth 73.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £3,314 GBP|Low: £955 GBP|High: £3,314 GBP|Avg: £1,590 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
September 28, 2026
Retailer 7£955 GBP
Retailer 5£1,238 GBP
Retailer 12£1,334 GBP
Retailer 8£1,359 GBP
Retailer 10£1,359 GBP
Retailer 13£1,359 GBP
Retailer 15£1,366 GBP
Retailer 6£1,401 GBP
Retailer 9£1,424 GBP
Retailer 3£1,461 GBP
Retailer 14£1,568 GBP
Retailer 11£1,615 GBP
Retailer 2£1,818 GBP
Retailer 4£2,196 GBP
NZ Jewellers£3,314 GBP

7 data points across 15 retailers

5 retailers

Retailer 1
-
£1,359 GBP
Price last confirmed 66 days ago
Retailer 2
-
£1,359 GBP
View
Price last confirmed 39 days ago
B+
Retailer 3
-
£1,366 GBP
View
Retailer 4
-
£1,568 GBP
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
00a518b3-c3b3-45d0-a2a0-e32edf9c4ec6 · Sep 28
£3,314 GBP
$4,461 USD
View
Price last confirmed 39 days ago
4 more retailers have this diamond
Prices start from £1,366 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.

B+
1.51ct Princess
£1,366 GBP