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Round|Natural|GIA

3.03ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7308153740

Certificate GIA 7308153740

Diamond specifications and retailer prices

From £14,577 GBP
As of November 4, 2026
Save £9,187 GBP (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £23,764 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7308153740. Listed at 13 retailers as of November 4, 2026, with prices from £14,577 to £23,764, a £9,187 spread on the same certified stone. NZ Jewellers lists it at £23,764. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7308153740
Dimensions9.29 × 9.27 × 5.72 mm
L/W Ratio1.00
Top View
9.29 mm9.27 mm3.03 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7308153740
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £23,764 GBP|Low: £14,426 GBP|High: £23,764 GBP|Avg: £18,410 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8£14,577 GBP
Retailer 5£14,581 GBP
Retailer 11£16,774 GBP
Retailer 7£17,488 GBP
Retailer 6£17,613 GBP
Retailer 3£18,172 GBP
Retailer 10£18,871 GBP
Retailer 4£19,506 GBP
Retailer 9£19,563 GBP
Retailer 2£21,594 GBP
NZ Jewellers£23,764 GBP

28 data points across 11 retailers

13 retailers£14,577 GBP to £23,764 GBP

B
Cheapest Retailer
-
£14,577 GBP
B+
Retailer 2
-
£14,581 GBP
View
B
Retailer 3
-
£15,421 GBP
View
B
Retailer 4
-
£16,353 GBP
View
Retailer 5
-
£16,774 GBP
View
Price last confirmed 8 days ago
B
Retailer 6
-
£17,488 GBP
View
B
Retailer 7
-
£17,613 GBP
View
B
Retailer 8
-
£18,172 GBP
View
B
Retailer 9
-
£18,871 GBP
View
B
Retailer 10
-
£19,506 GBP
View
B
Retailer 11
-
£19,563 GBP
View
B
Retailer 12
-
£21,594 GBP
View
Most Expensive
C
NZ Jewellers
d45d6625-0eae-4140-bf42-88d982b49bd4 · Nov 5
£23,764 GBP
$31,984 USD
View
12 more retailers have this diamond
Prices start from £14,577 GBPSave up to £9,187 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+
3.03ct Round
£14,577 GBP