Round|Natural|GIA

1.51ct G I1 Round Natural Diamond

EX • G/I1 • GIA 7496836030

Certificate GIA 7496836030

Diamond specifications and retailer prices

From £4,339 GBP
$5,814 USD
As of October 30, 2026
Save £4,846 GBP (53%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £9,185 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 7496836030. Listed at 10 retailers as of October 30, 2026, with prices from £4,339 to £9,185, a £4,846 spread on the same certified stone. NZ Jewellers lists it at £9,185. 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7496836030
Dimensions7.35 × 7.29 × 4.54 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.35 mm7.29 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7496836030
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £9,185 GBP|Low: £4,176 GBP|High: £9,185 GBP|Avg: £5,433 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 14£4,176 GBP
Retailer 12£4,328 GBP
Retailer 8£4,339 GBP
Retailer 6£4,353 GBP
Retailer 11£4,593 GBP
Retailer 9£4,975 GBP
Retailer 7£5,052 GBP
Retailer 3£5,530 GBP
Retailer 5£5,530 GBP
Retailer 4£5,709 GBP
Retailer 10£5,741 GBP
Retailer 2£5,975 GBP
Retailer 13£6,547 GBP
NZ Jewellers£9,185 GBP

18 data points across 14 retailers

10 retailers£4,339 GBP to £9,185 GBP

B+
Cheapest Retailer
-
£4,339 GBP
$5,814 USD
B
Retailer 2
-
£4,593 GBP
$6,154 USD
View
B
Retailer 3
-
£4,975 GBP
$6,666 USD
View
B
Retailer 4
-
£5,052 GBP
$6,769 USD
View
B
Retailer 5
-
£5,530 GBP
$7,410 USD
View
B
Retailer 6
-
£5,530 GBP
$7,410 USD
View
B
Retailer 7
-
£5,709 GBP
$7,650 USD
View
B
Retailer 8
-
£5,741 GBP
$7,692 USD
View
B
Retailer 9
-
£5,975 GBP
€7,624 EUR
View
Most Expensive
B
NZ Jewellers
e0a037fb-5fc9-40e2-bc3f-fa40e86a57c8 · Oct 30
£9,185 GBP
$12,307 USD
View
9 more retailers have this diamond
Prices start from £4,339 GBPSave up to £4,846 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.

B+
1.51ct Round
£4,339 GBP