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Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

VG • G/I1 • GIA 5222686129

Certificate GIA 5222686129

Diamond specifications and retailer prices

From £3,176 GBP
HK$33,300 HKD
As of November 1, 2026
Save £4,112 GBP (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,288 GBP at NZ Jewellers · As of November 2, 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 very-good cut grade and certified by GIA 5222686129. Listed at 8 retailers as of November 1, 2026, with prices from £3,176 to £7,288, a £4,112 spread on the same certified stone. NZ Jewellers lists it at £7,288. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5222686129
Dimensions7.25 × 7.16 × 4.64 mm
L/W Ratio1.01
Top View
7.25 mm7.16 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5222686129
Side View
Table 57.0%Crown 36.5°Girdle: THN-THKPavilion 41.4°Culet: NoneDepth 64.3%

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: £7,288 GBP|Low: £3,148 GBP|High: £7,288 GBP|Avg: £4,637 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4£3,176 GBP
Retailer 2£3,187 GBP
Retailer 5£4,357 GBP
Retailer 6£4,357 GBP
Retailer 8£4,357 GBP
Retailer 3£4,740 GBP
Retailer 7£5,028 GBP
Retailer 9£5,195 GBP
NZ Jewellers£7,288 GBP

43 data points across 9 retailers

8 retailers£3,176 GBP to £7,288 GBP

B+
Cheapest Retailer
-
£3,176 GBP
HK$33,300 HKD
A
Retailer 2
-
£3,187 GBP
₹407,348 INR
View
B
Retailer 3
-
£4,357 GBP
$5,847 USD
View
B
Retailer 4
-
£4,357 GBP
$5,847 USD
View
B
Retailer 5
-
£4,357 GBP
$5,847 USD
View
B
Retailer 6
-
£4,740 GBP
€6,058 EUR
View
B
Retailer 7
-
£5,028 GBP
$6,747 USD
View
Most Expensive
C
NZ Jewellers
fbf016b5-2507-49ce-9e4a-d25918369083 · Nov 2
£7,288 GBP
$9,780 USD
View
7 more retailers have this diamond
Prices start from £3,176 GBPSave up to £4,112 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
£3,176 GBP