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Princess|Natural|GIA

1.70ct K SI1 Princess Natural Diamond

ID • K/SI1 • GIA 7558124933

Certificate GIA 7558124933

Diamond specifications and retailer prices

From £1,792 GBP
As of November 6, 2026
Save £908 GBP (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,700 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.7ct natural princess diamond

This 1.7ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558124933. Listed at 7 retailers as of November 6, 2026, with prices from £1,792 to £2,700, a £908 spread on the same certified stone. 77 Diamonds lists it at £2,700. 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

1.70
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558124933
Dimensions6.28 × 6.20 × 4.72 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural
Top View
6.28 mm6.20 mm1.70 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558124933
Side View
Table 71.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 76.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,700 GBP|Low: £1,769 GBP|High: £2,728 GBP|Avg: £2,091 GBP|+0.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£1,792 GBP
Retailer 6£1,836 GBP
Retailer 7£1,848 GBP
Retailer 5£1,928 GBP
Retailer 8£1,970 GBP
Retailer 3£2,213 GBP
Retailer 2£2,468 GBP
77 Diamonds£2,700 GBP

38 data points across 8 retailers

7 retailers£1,792 GBP to £2,700 GBP

A
Cheapest Retailer
-
£1,792 GBP
A
Retailer 2
-
£1,836 GBP
View
A
Retailer 3
-
£1,848 GBP
View
A
Retailer 4
-
£1,928 GBP
View
B+
Retailer 5
-
£2,213 GBP
View
A
Retailer 6
-
£2,468 GBP
View
Most Expensive
B+
77 Diamonds
PRIMBNSAMXZXP · Nov 6
£2,700 GBP
View
6 more retailers have this diamond
Prices start from £1,792 GBPSave up to £908 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
1.70ct Princess
£1,792 GBP