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Princess|Natural|GIA

1.72ct D SI1 Princess Natural Diamond

ID • D/SI1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From £9,760 GBP
$13,077 USD
As of October 31, 2026
Save £2,383 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £12,143 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.72ct natural princess diamond

This 1.72ct natural princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 31, 2026, with prices from £9,760 to £12,143, a £2,383 spread on the same certified stone. Blue Nile lists it at £12,143. 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

1.72
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions6.66 × 6.56 × 4.74 mm
L/W Ratio1.02
Top View
6.66 mm6.56 mm1.72 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £12,143 GBP|Low: £9,649 GBP|High: £12,143 GBP|Avg: £10,577 GBP
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2£9,760 GBP
Retailer 3£10,462 GBP
Blue Nile£12,143 GBP

4 data points across 3 retailers

3 retailers£9,760 GBP to £12,143 GBP

B
Cheapest Retailer
-
£9,760 GBP
$13,077 USD
B
Retailer 2
-
£10,462 GBP
$14,018 USD
View
Most Expensive
B
Blue Nile
5630713 · Oct 31
£12,143 GBP
$16,270 USD
View
2 more retailers have this diamond
Prices start from £9,760 GBPSave up to £2,383 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
1.72ct Princess
£9,760 GBP