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Round|Lab Grown|GIA

3.01ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 1499712578

Certificate GIA 1499712578

Diamond specifications and retailer prices

From £675 GBP
$899 USD
As of October 28, 2026
Save £2,321 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,996 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.01ct lab-grown round diamond

This 3.01ct 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 1499712578. Listed at 13 retailers as of October 27, 2026, with prices from £675 to £2,996, a £2,321 spread on the same certified stone. Brilliant Earth lists it at £2,996. 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

3.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 1499712578
Dimensions9.38 × 9.42 × 5.59 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
Feather
Top View
9.38 mm9.42 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1499712578
Side View
Table 62.0%Crown 33.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 59.5%

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: Oct 28
Current: £2,996 GBP|Low: £481 GBP|High: £3,139 GBP|Avg: £1,607 GBP|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£675 GBP
Retailer 3£711 GBP
Retailer 13£834 GBP
Retailer 10£929 GBP
Retailer 9£942 GBP
Retailer 2£1,139 GBP
Retailer 7£1,170 GBP
Retailer 8£1,522 GBP
Retailer 4£2,051 GBP
Retailer 11£2,172 GBP
Retailer 5£2,754 GBP
Retailer 6£2,911 GBP
Brilliant Earth£2,996 GBP

43 data points across 13 retailers

13 retailers£675 GBP to £2,996 GBP

A
Cheapest Retailer
-
£675 GBP
$899 USD
Final sale: no returns
A
Retailer 2
-
£711 GBP
$947 USD
View
B+
Retailer 3
-
£834 GBP
$1,110 USD
View
B+
Retailer 4
-
£929 GBP
$1,237 USD
View
B+
Retailer 5
-
£942 GBP
HK$9,800 HKD
View
B+
Retailer 6
-
£1,139 GBP
View
B+
Retailer 7
-
£1,170 GBP
€1,484 EUR
View
B
Retailer 8
-
£1,522 GBP
A$3,118 AUD
View
B
Retailer 9
-
£2,051 GBP
$2,732 USD
View
B
Retailer 10
-
£2,172 GBP
$2,892 USD
View
B
Retailer 11
-
£2,754 GBP
$3,668 USD
View
B
Retailer 12
-
£2,911 GBP
View
Most Expensive
B
Brilliant Earth
10767221A · Oct 27
£2,996 GBP
$3,990 USD
View
12 more retailers have this diamond
Prices start from £675 GBPSave up to £2,321 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
3.01ct Round
£675 GBP