Princess|Natural|GIA

1.50ct H SI2 Princess Natural Diamond

EX • H/SI2 • GIA 1555684438

Certificate GIA 1555684438

Diamond specifications and retailer prices

From £2,646 GBP
$3,545 USD
As of October 30, 2026
Save £2,800 GBP (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,445 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct natural princess diamond

This 1.5ct natural princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555684438. Listed at 14 retailers as of October 26, 2026, with prices from £2,646 to £5,445, a £2,800 spread on the same certified stone. MOH London lists it at £5,445. 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

1.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555684438
Dimensions6.34 × 6.31 × 4.67 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle
Top View
6.34 mm6.31 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555684438
Side View
Table 73.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 74.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £5,445 GBP|Low: £2,623 GBP|High: £5,785 GBP|Avg: £3,508 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12£2,646 GBP
Retailer 8£2,697 GBP
Retailer 10£2,749 GBP
Retailer 9£2,885 GBP
Retailer 5£2,948 GBP
Retailer 4£3,287 GBP
Retailer 11£3,314 GBP
Retailer 6£3,428 GBP
Retailer 3£3,515 GBP
Retailer 7£3,515 GBP
Retailer 2£3,864 GBP
Retailer 13£4,988 GBP
MOH London£5,445 GBP

43 data points across 13 retailers

14 retailers£2,646 GBP to £5,445 GBP

A
Cheapest Retailer
-
£2,646 GBP
$3,545 USD
A
Retailer 2
-
£2,697 GBP
$3,614 USD
View
A
Retailer 3
-
£2,749 GBP
$3,683 USD
View
A
Retailer 4
-
£2,885 GBP
$3,865 USD
View
Final sale: no returns
A
Retailer 5
-
£2,948 GBP
CA$5,485 CAD
View
A
Retailer 6
-
£3,287 GBP
$4,404 USD
View
B+
Retailer 7
-
£3,314 GBP
$4,441 USD
View
B+
Retailer 8
-
£3,428 GBP
View
B+
Retailer 9
-
£3,515 GBP
$4,710 USD
View
B+
Retailer 10
-
£3,515 GBP
$4,710 USD
View
B+
Retailer 11
-
£3,635 GBP
$4,870 USD
View
Retailer 12
-
£3,864 GBP
€4,931 EUR
View
B
Retailer 13
-
£4,988 GBP
$6,684 USD
View
Most Expensive
B
MOH London
77BF9691C · Oct 26
£5,445 GBP
View
13 more retailers have this diamond
Prices start from £2,646 GBPSave up to £2,800 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
1.50ct Princess
£2,646 GBP