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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542943196

Certificate GIA 6542943196

Diamond specifications and retailer prices

From £4,643 GBP
HK$48,300 HKD
As of October 30, 2026
Save £4,167 GBP (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £8,809 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct natural round diamond

This 1.5ct natural 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 6542943196. Listed at 15 retailers as of October 29, 2026, with prices from £4,643 to £8,809, a £4,167 spread on the same certified stone. MOH London lists it at £8,809. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542943196
Dimensions7.26 × 7.21 × 4.59 mm
L/W Ratio1.01
Top View
7.26 mm7.21 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542943196
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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 30
Current: £8,809 GBP|Low: £4,643 GBP|High: £9,110 GBP|Avg: £6,602 GBP|-3.3%
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 30, 2026
Retailer 14£4,643 GBP
Retailer 9£5,216 GBP
Retailer 6£5,372 GBP
Retailer 13£5,440 GBP
Retailer 10£5,624 GBP
Retailer 3£5,786 GBP
Retailer 15£5,803 GBP
Retailer 5£5,990 GBP
Retailer 12£6,029 GBP
Retailer 4£6,135 GBP
Retailer 16£6,708 GBP
Retailer 2£6,870 GBP
Retailer 11£7,587 GBP
Retailer 8£8,338 GBP
MOH London£8,809 GBP
Retailer 7£9,034 GBP

30 data points across 16 retailers

15 retailers£4,643 GBP to £8,809 GBP

A
Cheapest Retailer
-
£4,643 GBP
HK$48,300 HKD
A
Retailer 2
-
£5,216 GBP
€6,616 EUR
View
Retailer 3
-
£5,372 GBP
SGD 9,668 SGD
View
Price last confirmed 19 days ago
A
Retailer 4
-
£5,440 GBP
$7,245 USD
View
A
Retailer 5
-
£5,624 GBP
View
A
Retailer 6
-
£5,786 GBP
$7,705 USD
View
A
Retailer 7
-
£5,803 GBP
$7,728 USD
View
Final sale: no returns
A
Retailer 8
-
£5,990 GBP
$7,977 USD
View
Retailer 9
-
£6,029 GBP
A$12,353 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
£6,135 GBP
$8,170 USD
View
B+
Retailer 11
-
£6,708 GBP
$8,933 USD
View
B+
Retailer 12
-
£6,870 GBP
€8,713 EUR
View
Retailer 13
-
£7,587 GBP
ZAR 163,223 ZAR
View
Price last confirmed 7 days ago
Retailer 14
-
£8,338 GBP
$11,104 USD
View
Price last confirmed 22 days ago
Most Expensive
B+
MOH London
791F7A924 · Oct 29
£8,809 GBP
View
14 more retailers have this diamond
Prices start from £4,643 GBPSave up to £4,167 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
£4,643 GBP