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Princess|Natural|GIA

0.86ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 5221209864

Certificate GIA 5221209864

Diamond specifications and retailer prices

From £1,000 GBP
As of November 6, 2026
Save £612 GBP (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,612 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.86ct natural princess diamond

This 0.86ct natural princess sits in the just-under-one-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 5221209864. Listed at 3 retailers as of November 4, 2026, with prices from £1,000 to £1,612, a £612 spread on the same certified stone. MOH London lists it at £1,612. 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

0.86
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221209864
Dimensions4.93 × 4.90 × 3.77 mm
L/W Ratio1.01
Top View
4.93 mm4.90 mm0.86 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5221209864
Side View
Table 65.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 77.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,612 GBP|Low: £962 GBP|High: £1,635 GBP|Avg: £1,279 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£1,000 GBP
Retailer 2£1,227 GBP
MOH London£1,612 GBP

44 data points across 3 retailers

3 retailers£1,000 GBP to £1,612 GBP

B+
Cheapest Retailer
-
£1,000 GBP
B
Retailer 2
-
£1,227 GBP
View
Most Expensive
B
MOH London
1BDDE6E58 · Nov 4
£1,612 GBP
View
2 more retailers have this diamond
Prices start from £1,000 GBPSave up to £612 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+
0.86ct Princess
£1,000 GBP