CaratHunter
Plans
Princess|Natural|GIA

1.51ct G SI1 Princess Natural Diamond

GD • G/SI1 • GIA 6435500558

Certificate GIA 6435500558

Diamond specifications and retailer prices

From £3,297 GBP
₹420,770 INR
As of October 31, 2026
Save £6,613 GBP (67%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £9,911 GBP at Adiamor · As of November 1, 2026
View at Adiamor

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6435500558. Listed at 21 retailers as of October 31, 2026, with prices from £3,297 to £9,911, a £6,613 spread on the same certified stone. Adiamor lists it at £9,911. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6435500558
Dimensions6.51 × 6.36 × 4.58 mm
L/W Ratio1.02
Top View
6.51 mm6.36 mm1.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435500558
Side View
Table 73.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 72.0%

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 31
Current: £5,005 GBP|Low: £3,152 GBP|High: £6,831 GBP|Avg: £4,430 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8£3,297 GBP
Retailer 9£3,315 GBP
Retailer 6£3,867 GBP
Retailer 10£3,997 GBP
Retailer 11£4,228 GBP
Retailer 4£4,395 GBP
Retailer 2£4,553 GBP
Retailer 3£4,581 GBP
Retailer 1£5,005 GBP
Retailer 7£5,629 GBP
Retailer 5£6,750 GBP

35 data points across 11 retailers

21 retailers£3,297 GBP to £9,911 GBP

A
Cheapest Retailer
-
£3,297 GBP
₹420,770 INR
A
Retailer 2
-
£3,315 GBP
HK$34,700 HKD
View
B+
Retailer 3
-
£3,781 GBP
SGD 6,846 SGD
View
B+
Retailer 4
-
£3,867 GBP
$5,181 USD
View
B+
Retailer 5
-
£3,912 GBP
$5,241 USD
View
B+
Retailer 6
-
£3,997 GBP
$5,355 USD
View
B+
Retailer 7
-
£4,228 GBP
$5,665 USD
View
Final sale: no returns
B+
Retailer 8
-
£4,265 GBP
$5,715 USD
View
B+
Retailer 9
-
£4,395 GBP
View
Retailer 10
-
£4,553 GBP
A$9,385 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
£4,581 GBP
$6,138 USD
View
B+
Retailer 12
-
£4,581 GBP
$6,138 USD
View
B+
Retailer 13
-
£4,581 GBP
$6,138 USD
View
B+
Retailer 14
-
£4,696 GBP
$6,292 USD
View
B+
Retailer 15
-
£4,698 GBP
$6,295 USD
View
B+
Retailer 16
-
£5,005 GBP
€6,387 EUR
View
B
Retailer 17
-
£5,286 GBP
$7,083 USD
View
B+
Retailer 18
-
£5,629 GBP
ZAR 121,842 ZAR
View
B
Retailer 19
-
£6,750 GBP
View
B
Retailer 20
-
£7,663 GBP
$10,267 USD
View
Most Expensive
C
Adiamor
D-64688418 · Nov 1
£9,911 GBP
$13,279 USD
View
20 more retailers have this diamond
Prices start from £3,297 GBPSave up to £6,613 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
£3,297 GBP