Round|Lab Grown|GIA

3.03ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7498512977

Certificate GIA 7498512977

Diamond specifications and retailer prices

From £672 GBP
As of November 4, 2026
Save £2,203 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,875 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown 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 7498512977. Listed at 11 retailers as of November 4, 2026, with prices from £672 to £2,875, a £2,203 spread on the same certified stone. MOH London lists it at £2,875. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 7498512977
Dimensions9.38 × 9.41 × 5.63 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Cert comments
This is a man-made diamond produced by CVD (Chemical Vapor Deposition) growth process and has evidence of post-growth treatments to change the color.
Key to symbols
Growth Remnant
Top View
9.38 mm9.41 mm3.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7498512977
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.8%

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 4
Current: £2,875 GBP|Low: £672 GBP|High: £2,918 GBP|Avg: £1,538 GBP|-0.3%
MOH London
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£672 GBP
Retailer 10£711 GBP
Retailer 9£828 GBP
Retailer 6£941 GBP
Retailer 2£1,123 GBP
Retailer 5£1,164 GBP
Retailer 4£1,515 GBP
Retailer 11£2,040 GBP
Retailer 7£2,162 GBP
Retailer 3£2,742 GBP
MOH London£2,875 GBP

44 data points across 11 retailers

11 retailers£672 GBP to £2,875 GBP

A
Cheapest Retailer
-
£672 GBP
Final sale: no returns
A
Retailer 2
-
£711 GBP
View
B+
Retailer 3
-
£828 GBP
View
B+
Retailer 4
-
£941 GBP
View
B+
Retailer 5
-
£1,123 GBP
View
B+
Retailer 6
-
£1,164 GBP
View
B
Retailer 7
-
£1,515 GBP
View
B
Retailer 8
-
£2,040 GBP
View
B
Retailer 9
-
£2,162 GBP
View
B
Retailer 10
-
£2,742 GBP
View
Most Expensive
B
MOH London
7498512977 · Nov 5
£2,875 GBP
View
10 more retailers have this diamond
Prices start from £672 GBPSave up to £2,203 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
3.03ct Round
£672 GBP