Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2235792081

Certificate GIA 2235792081

Diamond specifications and retailer prices

From £6,336 GBP
$8,438 USD
As of October 29, 2026
Save £5,284 GBP (45%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £11,620 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2235792081. Listed at 25 retailers as of October 29, 2026, with prices from £6,336 to £11,620, a £5,284 spread on the same certified stone. NZ Jewellers lists it at £11,620. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2235792081
Dimensions7.23 × 7.28 × 4.55 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Feather, Cloud, Crystal, Knot, Cavity, Needle
Top View
7.23 mm7.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235792081
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: £8,401 GBP|Low: £6,096 GBP|High: £11,020 GBP|Avg: £8,427 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£6,706 GBP
Retailer 7£7,553 GBP
Retailer 2£7,575 GBP
Retailer 4£7,667 GBP
Retailer 1£8,401 GBP
Retailer 8£9,175 GBP
Retailer 5£10,061 GBP
Retailer 3£10,902 GBP

44 data points across 8 retailers

25 retailers£6,336 GBP to £11,620 GBP

A
Cheapest Retailer
-
£6,336 GBP
$8,438 USD
B+
Retailer 2
-
£6,527 GBP
$8,692 USD
View
B+
Retailer 3
-
£6,706 GBP
$8,930 USD
View
Final sale: no returns
B+
Retailer 4
-
£6,733 GBP
$8,967 USD
View
B+
Retailer 5
-
£6,759 GBP
CA$12,502 CAD
View
B+
Retailer 6
-
£6,909 GBP
$9,200 USD
View
B+
Retailer 7
-
£6,972 GBP
$9,284 USD
View
B+
Retailer 8
-
£7,434 GBP
$9,900 USD
View
B+
Retailer 9
-
£7,553 GBP
$10,058 USD
View
B+
Retailer 10
-
£7,575 GBP
View
B+
Retailer 11
-
£7,667 GBP
A$15,708 AUD
View
B+
Retailer 12
-
£7,669 GBP
$10,213 USD
View
B+
Retailer 13
-
£7,759 GBP
$10,332 USD
View
B
Retailer 14
-
£8,036 GBP
$10,701 USD
View
B+
Retailer 15
-
£8,200 GBP
$10,920 USD
View
B+
Retailer 16
-
£8,200 GBP
$10,920 USD
View
B+
Retailer 17
-
£8,401 GBP
€10,655 EUR
View
B+
Retailer 18
-
£8,474 GBP
$11,284 USD
View
B+
Retailer 19
-
£8,478 GBP
$11,290 USD
View
B+
Retailer 20
-
£8,715 GBP
$11,605 USD
View
B
Retailer 21
-
£8,923 GBP
$11,882 USD
View
Retailer 22
-
£9,175 GBP
$12,218 USD
View
Price last confirmed 7 days ago
Retailer 23
-
£10,061 GBP
ZAR 216,451 ZAR
View
Price last confirmed 7 days ago
B
Retailer 24
-
£10,902 GBP
View
Most Expensive
B
NZ Jewellers
8e77b9d2-2375-4004-b6e9-594e20213b3e · Oct 30
£11,620 GBP
$15,474 USD
View
24 more retailers have this diamond
Prices start from £6,336 GBPSave up to £5,284 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
£6,336 GBP