Round|Natural|GIA

1.51ct E IF Round Natural Diamond

EX • E/IF • GIA 5463219058

Certificate GIA 5463219058

Diamond specifications and retailer prices

From £16,715 GBP
$22,210 USD
As of October 25, 2026
Save £13,436 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £42,367 GBP at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5463219058. Listed at 15 retailers as of October 25, 2026, with a 80% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5463219058
Dimensions7.35 × 7.29 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.35 mm7.29 mm1.51 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5463219058
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 25
Current: £30,151 GBP|Low: £16,715 GBP|High: £30,352 GBP|Avg: £21,964 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5£16,715 GBP
Retailer 6£18,402 GBP
Retailer 8£18,694 GBP
Retailer 2£19,286 GBP
Retailer 7£19,354 GBP
Retailer 3£23,173 GBP
Retailer 4£28,062 GBP
Retailer 1£30,151 GBP

42 data points across 8 retailers

15 retailers£16,715 GBP to £30,151 GBP

A
Cheapest Retailer
-
£16,715 GBP
$22,210 USD
A
Retailer 2
-
£17,483 GBP
$23,231 USD
View
B+
Retailer 3
-
£18,402 GBP
$24,452 USD
View
Final sale: no returns
B+
Retailer 4
-
£18,694 GBP
$24,840 USD
View
B+
Retailer 5
-
£19,203 GBP
$25,516 USD
View
B+
Retailer 6
-
£19,286 GBP
View
B+
Retailer 7
-
£19,354 GBP
A$39,565 AUD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
£20,003 GBP
$26,579 USD
View
B+
Retailer 9
-
£20,163 GBP
$26,792 USD
View
B+
Retailer 10
-
£20,803 GBP
$27,642 USD
View
B+
Retailer 11
-
£21,603 GBP
$28,705 USD
View
B+
Retailer 12
-
£23,173 GBP
€29,325 EUR
View
B
Retailer 13
-
£28,062 GBP
ZAR 602,397 ZAR
View
B
Retailer 14
-
£30,151 GBP
View
Most Expensive
B
Diamond Quarter
1.51IFE545838D0N · Oct 28
£42,367 GBP
View
Price under review
14 more retailers have this diamond
Prices start from £16,715 GBPSave up to £13,436 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 Round
£16,715 GBP