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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 6545999760

Certificate GIA 6545999760

Diamond specifications and retailer prices

From £2,938 GBP
$3,936 USD
As of October 26, 2026
Save £1,503 GBP (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,441 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545999760. Listed at 11 retailers as of October 26, 2026, with prices from £2,938 to £4,441, a £1,503 spread on the same certified stone. Do Amore Diamonds lists it at £4,441. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545999760
Dimensions6.50 × 6.31 × 4.58 mm
L/W Ratio1.03
Top View
6.50 mm6.31 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545999760
Side View
Table 73.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.7%

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: Oct 26
Current: £4,441 GBP|Low: £2,575 GBP|High: £4,866 GBP|Avg: £3,465 GBP|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 7£2,575 GBP
Retailer 3£2,729 GBP
Retailer 11£2,938 GBP
Retailer 4£3,066 GBP
Retailer 12£3,143 GBP
Retailer 2£3,147 GBP
Retailer 5£3,175 GBP
Retailer 8£3,366 GBP
Retailer 10£3,366 GBP
Retailer 9£3,478 GBP
Retailer 6£4,220 GBP
Do Amore Diamonds£4,441 GBP

36 data points across 12 retailers

11 retailers£2,938 GBP to £4,441 GBP

Retailer 1
-
£2,575 GBP
$3,450 USD
Price last confirmed 8 days ago
Retailer 2
-
£2,664 GBP
$3,570 USD
View
Price last confirmed 77 days ago
A
Retailer 3
-
£2,938 GBP
$3,936 USD
View
A
Retailer 4
-
£3,066 GBP
MYR 16,734 MYR
View
Retailer 5
-
£3,143 GBP
SGD 5,691 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£3,147 GBP
View
A
Retailer 7
-
£3,175 GBP
$4,254 USD
View
Retailer 8
-
£3,366 GBP
$4,510 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£3,366 GBP
$4,510 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£3,478 GBP
$4,660 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
12-100766796548 · Oct 27
£4,441 GBP
$5,950 USD
View
10 more retailers have this diamond
Prices start from £2,938 GBPSave up to £1,503 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
1.51ct Princess
£2,938 GBP