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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6565440419

Certificate GIA 6565440419

Diamond specifications and retailer prices

From £2,369 GBP
HK$24,800 HKD
As of November 1, 2026
Save £3,158 GBP (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,527 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6565440419. Listed at 10 retailers as of October 30, 2026, with prices from £2,369 to £5,527, a £3,158 spread on the same certified stone. NZ Jewellers lists it at £5,527. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6565440419
Dimensions7.29 × 7.33 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
7.29 mm7.33 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565440419
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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: Nov 1
Current: £5,527 GBP|Low: £2,350 GBP|High: £5,527 GBP|Avg: £3,120 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3£2,369 GBP
Retailer 9£2,709 GBP
Retailer 5£2,791 GBP
Retailer 10£2,841 GBP
Retailer 6£3,173 GBP
Retailer 7£3,173 GBP
Retailer 8£3,173 GBP
Retailer 2£3,574 GBP
Retailer 4£3,661 GBP
NZ Jewellers£5,527 GBP

9 data points across 10 retailers

10 retailers£2,369 GBP to £5,527 GBP

A
Cheapest Retailer
-
£2,369 GBP
HK$24,800 HKD
B+
Retailer 2
-
£2,709 GBP
$3,630 USD
View
B+
Retailer 3
-
£2,791 GBP
$3,740 USD
View
B+
Retailer 4
-
£2,841 GBP
$3,807 USD
View
B+
Retailer 5
-
£3,173 GBP
$4,251 USD
View
B+
Retailer 6
-
£3,173 GBP
$4,251 USD
View
B+
Retailer 7
-
£3,173 GBP
$4,251 USD
View
B+
Retailer 8
-
£3,574 GBP
€4,561 EUR
View
B
Retailer 9
-
£3,661 GBP
$4,905 USD
View
Most Expensive
B
NZ Jewellers
e9d9da84-4a05-49d2-8783-91332aae44ec · Oct 30
£5,527 GBP
$7,406 USD
View
9 more retailers have this diamond
Prices start from £2,369 GBPSave up to £3,158 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
£2,369 GBP