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Round|Natural|GIA

3.03ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7528803781

Certificate GIA 7528803781

Diamond specifications and retailer prices

From £10,766 GBP
As of November 5, 2026
Save £4,499 GBP (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £15,265 GBP at NZ Jewellers · As of November 2, 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 7528803781. Listed at 6 retailers as of November 2, 2026, with prices from £10,766 to £15,265, a £4,499 spread on the same certified stone. NZ Jewellers lists it at £15,265. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7528803781
Dimensions9.17 × 9.22 × 5.77 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Needle
Top View
9.17 mm9.22 mm3.03 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7528803781
Side View
Table 57.0%Crown 36.5°GirdlePavilion 40.8°CuletDepth 62.8%

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: Nov 5
Current: £15,265 GBP|Low: £10,766 GBP|High: £21,429 GBP|Avg: £13,768 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£10,766 GBP
Retailer 7£10,857 GBP
Retailer 5£11,650 GBP
Retailer 2£11,712 GBP
Retailer 9£12,675 GBP
Retailer 3£12,687 GBP
Retailer 4£12,885 GBP
NZ Jewellers£15,265 GBP
Retailer 10£17,040 GBP
Retailer 8£21,429 GBP

26 data points across 10 retailers

6 retailers£10,766 GBP to £15,265 GBP

B+
Cheapest Retailer
-
£10,766 GBP
B+
Retailer 2
-
£11,650 GBP
View
B+
Retailer 3
-
£11,712 GBP
View
B+
Retailer 4
-
£12,687 GBP
View
B
Retailer 5
-
£12,885 GBP
View
Most Expensive
B
NZ Jewellers
9dfd9fe3-05a0-4321-b79e-1ca1d78b9e73 · Nov 2
£15,265 GBP
$20,545 USD
View
5 more retailers have this diamond
Prices start from £10,766 GBPSave up to £4,499 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
£10,766 GBP