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Round|Lab Grown|GIA

4.01ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2225304924

Certificate GIA 2225304924

Diamond specifications and retailer prices

From £1,240 GBP
$1,661 USD
As of October 31, 2026
Save £1,906 GBP (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,818 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 4.01ct lab-grown round diamond

This 4.01ct 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 2225304924. Listed at 15 retailers as of October 31, 2026, with a 154% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2225304924
Dimensions10.18 × 10.11 × 6.28 mm
L/W Ratio1.01
Top View
10.18 mm10.11 mm4.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225304924
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.0%

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: Oct 31
Current: £4,818 GBP|Low: £1,045 GBP|High: £9,016 GBP|Avg: £2,424 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 6£1,088 GBP
Retailer 8£1,240 GBP
Retailer 12£1,311 GBP
Retailer 3£1,426 GBP
Retailer 15£1,468 GBP
Retailer 5£1,520 GBP
Retailer 13£1,520 GBP
Retailer 11£1,646 GBP
Retailer 9£1,649 GBP
Retailer 16£1,746 GBP
Retailer 2£2,290 GBP
Retailer 14£2,386 GBP
Retailer 10£2,557 GBP
Retailer 4£3,146 GBP
MOH London£4,818 GBP
Retailer 7£9,016 GBP

42 data points across 16 retailers

15 retailers£1,240 GBP to £3,146 GBP

B+
Cheapest Retailer
-
£1,240 GBP
$1,661 USD
B+
Retailer 2
-
£1,311 GBP
$1,756 USD
View
B+
Retailer 3
-
£1,426 GBP
$1,911 USD
View
B
Retailer 4
-
£1,468 GBP
$1,967 USD
View
Final sale: no returns
B
Retailer 5
-
£1,520 GBP
$2,037 USD
View
Retailer 6
-
£1,520 GBP
$2,037 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
£1,646 GBP
$2,205 USD
View
Retailer 8
-
£1,649 GBP
$2,210 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£1,746 GBP
$2,339 USD
View
B
Retailer 10
-
£2,290 GBP
View
B
Retailer 11
-
£2,386 GBP
$3,197 USD
View
B
Retailer 12
-
£2,557 GBP
$3,426 USD
View
B
Retailer 13
-
£3,146 GBP
$4,215 USD
View
Most Expensive
MOH London
2225304924 · Oct 29
£4,818 GBP
View
Price under review
13 more retailers have this diamond
Prices start from £1,240 GBPSave up to £1,906 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+
4.01ct Round
£1,240 GBP