CaratHunter
Plans
Round|Natural|GIA

3.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6187343807

Certificate GIA 6187343807

Diamond specifications and retailer prices

From £36,540 GBP
As of November 4, 2026
Save £27,239 GBP (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £63,779 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6187343807. Listed at 5 retailers as of November 4, 2026, with prices from £36,540 to £63,779, a £27,239 spread on the same certified stone. MOH London lists it at £63,779. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6187343807
Dimensions9.23 × 9.32 × 5.74 mm
L/W Ratio1.01
Top View
9.23 mm9.32 mm3.03 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6187343807
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°CuletDepth 61.8%

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 4
Current: £63,779 GBP|Low: £36,158 GBP|High: £64,720 GBP|Avg: £45,042 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£36,540 GBP
Retailer 4£39,185 GBP
Retailer 2£40,337 GBP
Retailer 5£43,567 GBP
MOH London£63,779 GBP

38 data points across 5 retailers

5 retailers£36,540 GBP to £63,779 GBP

B+
Cheapest Retailer
-
£36,540 GBP
Retailer 2
-
£39,185 GBP
View
Price last confirmed 33 days ago
B
Retailer 3
-
£40,337 GBP
View
B
Retailer 4
-
£43,567 GBP
View
Most Expensive
B
MOH London
AF4AA7A50 · Nov 4
£63,779 GBP
View
4 more retailers have this diamond
Prices start from £36,540 GBPSave up to £27,239 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
£36,540 GBP