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Round|Lab Grown|GIA

3.04ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 6491317302

Certificate GIA 6491317302

Diamond specifications and retailer prices

From £676 GBP
$900 USD
As of October 29, 2026
Save £2,350 GBP (78%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,026 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown round diamond

This 3.04ct 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 6491317302. Listed at 5 retailers as of October 29, 2026, with prices from £676 to £3,026, a £2,350 spread on the same certified stone. Brilliant Earth lists it at £3,026. 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

3.04
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 6491317302
Dimensions9.33 × 9.28 × 5.75 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.33 mm9.28 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6491317302
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,026 GBP|Low: £1,118 GBP|High: £3,116 GBP|Avg: £2,206 GBP|-1.0%
Brilliant Earth
Retailer 2
October 30, 2026
Retailer 2£1,140 GBP
Brilliant Earth£3,026 GBP

13 data points across 2 retailers

5 retailers£676 GBP to £3,026 GBP

A
Cheapest Retailer
-
£676 GBP
$900 USD
Final sale: no returns
B+
Retailer 2
-
£1,140 GBP
View
B
Retailer 3
-
£2,175 GBP
$2,896 USD
View
Retailer 4
-
£2,914 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
10474444A · Oct 29
£3,026 GBP
$4,030 USD
View
4 more retailers have this diamond
Prices start from £676 GBPSave up to £2,350 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
3.04ct Round
£676 GBP