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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6355974999

Certificate GIA 6355974999

Diamond specifications and retailer prices

From £2,745 GBP
₹350,313 INR
As of November 1, 2026
Save £3,559 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,304 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6355974999. Listed at 8 retailers as of October 30, 2026, with prices from £2,745 to £6,304, a £3,559 spread on the same certified stone. NZ Jewellers lists it at £6,304. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6355974999
Dimensions7.25 × 7.30 × 4.57 mm
L/W Ratio1.01
Top View
7.25 mm7.30 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6355974999
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°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: £6,304 GBP|Low: £2,739 GBP|High: £6,304 GBP|Avg: £3,731 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2£2,745 GBP
Retailer 7£3,155 GBP
Retailer 9£3,305 GBP
Retailer 4£3,618 GBP
Retailer 5£3,618 GBP
Retailer 6£3,618 GBP
Retailer 3£4,077 GBP
Retailer 8£4,175 GBP
NZ Jewellers£6,304 GBP

43 data points across 9 retailers

8 retailers£2,745 GBP to £6,304 GBP

A
Cheapest Retailer
-
£2,745 GBP
₹350,313 INR
B+
Retailer 2
-
£3,155 GBP
$4,228 USD
View
B+
Retailer 3
-
£3,618 GBP
$4,848 USD
View
B+
Retailer 4
-
£3,618 GBP
$4,848 USD
View
B+
Retailer 5
-
£3,618 GBP
$4,848 USD
View
B+
Retailer 6
-
£4,077 GBP
€5,203 EUR
View
B
Retailer 7
-
£4,175 GBP
$5,594 USD
View
Most Expensive
B
NZ Jewellers
cadf3a29-2bfe-4789-9cd7-a71f0dd6e76b · Oct 30
£6,304 GBP
$8,447 USD
View
7 more retailers have this diamond
Prices start from £2,745 GBPSave up to £3,559 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
£2,745 GBP