CaratHunter
Plans
Princess|Natural|GIA

1.80ct K SI1 Princess Natural Diamond

EX • K/SI1 • GIA 2436332792

Certificate GIA 2436332792

Diamond specifications and retailer prices

From £3,271 GBP
As of November 6, 2026
Save £3,131 GBP (49%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £6,401 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.8ct natural princess diamond

This 1.8ct 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 2436332792. Listed at 5 retailers as of November 4, 2026, with prices from £3,271 to £6,401, a £3,131 spread on the same certified stone. MOH London lists it at £6,401. 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

1.80
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2436332792
Dimensions6.49 × 6.31 × 4.90 mm
L/W Ratio1.03
Top View
6.49 mm6.31 mm1.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2436332792
Side View
Table 74.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 77.7%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £6,401 GBP|Low: £3,239 GBP|High: £6,849 GBP|Avg: £4,633 GBP|-5.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£3,271 GBP
Retailer 5£3,706 GBP
Retailer 4£4,208 GBP
Retailer 3£4,734 GBP
MOH London£6,401 GBP

44 data points across 5 retailers

5 retailers£3,271 GBP to £6,401 GBP

B+
Cheapest Retailer
-
£3,271 GBP
B+
Retailer 2
-
£3,706 GBP
View
B
Retailer 3
-
£4,208 GBP
View
B
Retailer 4
-
£4,734 GBP
View
Most Expensive
B
MOH London
285041E5E · Nov 4
£6,401 GBP
View
4 more retailers have this diamond
Prices start from £3,271 GBPSave up to £3,131 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+
1.80ct Princess
£3,271 GBP