Round|Lab Grown|GIA

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 7482008021

Certificate GIA 7482008021

Diamond specifications and retailer prices

From £445 GBP
$596 USD
As of October 29, 2026
Save £1,005 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,406 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7482008021. Listed at 14 retailers as of October 29, 2026, with a 226% 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

1.50
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 7482008021
Dimensions7.41 × 7.36 × 4.50 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Growth Remnant, Feather
Top View
7.41 mm7.36 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7482008021
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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 29
Current: £2,406 GBP|Low: £390 GBP|High: £2,422 GBP|Avg: £827 GBP|+19.4%
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
October 30, 2026
Retailer 10£445 GBP
Retailer 8£498 GBP
Retailer 4£540 GBP
Retailer 14£552 GBP
Retailer 15£552 GBP
Retailer 3£649 GBP
Retailer 11£664 GBP
Retailer 7£699 GBP
Retailer 2£797 GBP
Retailer 5£846 GBP
Retailer 6£899 GBP
Retailer 13£956 GBP
Retailer 9£1,368 GBP
Retailer 12£1,450 GBP
MOH London£2,406 GBP

35 data points across 15 retailers

14 retailers£445 GBP to £1,450 GBP

A
Cheapest Retailer
-
£445 GBP
$596 USD
B+
Retailer 2
-
£498 GBP
$667 USD
View
B+
Retailer 3
-
£540 GBP
$723 USD
View
B+
Retailer 4
-
£552 GBP
$739 USD
View
Retailer 5
-
£552 GBP
$739 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
£649 GBP
$870 USD
View
B+
Retailer 7
-
£664 GBP
$890 USD
View
B
Retailer 8
-
£797 GBP
View
B
Retailer 9
-
£846 GBP
$1,133 USD
View
B
Retailer 10
-
£899 GBP
$1,205 USD
View
Retailer 11
-
£956 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
£1,368 GBP
$1,833 USD
View
B
Retailer 13
-
£1,450 GBP
$1,943 USD
View
Most Expensive
MOH London
7482008021 · Oct 29
£2,406 GBP
View
Price under review
13 more retailers have this diamond
Prices start from £445 GBPSave up to £1,005 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
1.50ct Round
£445 GBP