Round|Natural|GIA

0.80ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1558634659

Certificate GIA 1558634659

Diamond specifications and retailer prices

From £1,156 GBP
HK$12,000 HKD
As of October 29, 2026
Save £1,602 GBP (58%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: £3,333 GBP at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558634659. Listed at 33 retailers as of October 25, 2026, with a 139% 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

0.80
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1558634659
Dimensions5.90 × 5.95 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud
Top View
5.90 mm5.95 mm0.80 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558634659
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: £1,180 GBP|Low: £1,156 GBP|High: £2,788 GBP|Avg: £1,897 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11£1,156 GBP
Retailer 1£1,180 GBP
Retailer 2£1,451 GBP
Retailer 4£1,467 GBP
Retailer 10£1,572 GBP
Retailer 6£1,705 GBP
Retailer 12£1,802 GBP
Retailer 3£1,939 GBP
Retailer 5£2,008 GBP
Retailer 8£2,320 GBP
Retailer 7£2,734 GBP
Retailer 9£2,758 GBP

35 data points across 12 retailers

33 retailers£1,156 GBP to £2,758 GBP

A
Cheapest Retailer
-
£1,156 GBP
HK$12,000 HKD
A
Retailer 2
-
£1,180 GBP
₹149,278 INR
View
B+
Retailer 3
-
£1,420 GBP
$1,887 USD
View
B+
Retailer 4
-
£1,451 GBP
$1,928 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,467 GBP
$1,949 USD
View
B+
Retailer 6
-
£1,572 GBP
$2,089 USD
View
B+
Retailer 7
-
£1,572 GBP
$2,089 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,572 GBP
$2,089 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
£1,572 GBP
$2,089 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£1,572 GBP
$2,089 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
£1,572 GBP
$2,089 USD
View
B+
Retailer 12
-
£1,592 GBP
$2,115 USD
View
B+
Retailer 13
-
£1,594 GBP
$2,118 USD
View
Price last confirmed 43 days ago
B+
Retailer 14
-
£1,594 GBP
$2,118 USD
View
Price last confirmed 35 days ago
B+
Retailer 15
-
£1,645 GBP
$2,186 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
£1,645 GBP
$2,186 USD
View
B+
Retailer 17
-
£1,677 GBP
$2,228 USD
View
B+
Retailer 18
-
£1,705 GBP
View
B+
Retailer 19
-
£1,802 GBP
View
B+
Retailer 20
-
£1,814 GBP
$2,411 USD
View
Price last confirmed 37 days ago
B+
Retailer 21
-
£1,814 GBP
$2,411 USD
View
Price last confirmed 20 days ago
B+
Retailer 22
-
£1,814 GBP
$2,411 USD
View
Price last confirmed 29 days ago
B+
Retailer 23
-
£1,851 GBP
$2,459 USD
View
B+
Retailer 24
-
£1,939 GBP
A$3,963 AUD
View
Price last confirmed 23 days ago
B+
Retailer 25
-
£2,008 GBP
€2,541 EUR
View
B
Retailer 26
-
£2,320 GBP
ZAR 49,802 ZAR
View
B
Retailer 27
-
£2,734 GBP
View
B
Retailer 28
-
£2,758 GBP
View
B
Retailer 29
-
£3,287 GBP
$4,368 USD
View
Price last confirmed 37 days ago
B
Retailer 30
-
£3,287 GBP
$4,368 USD
View
Price last confirmed 31 days ago
B
Retailer 31
-
£3,287 GBP
$4,368 USD
View
Price last confirmed 20 days ago
B
Retailer 32
-
£3,287 GBP
$4,368 USD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
d87200aa-c9b3-438c-946f-4bcf2602f1ee · Sep 15
£3,333 GBP
$4,429 USD
View
Price last confirmed 44 days ago
32 more retailers have this diamond
Prices start from £1,156 GBPSave up to £1,602 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
0.80ct Round
£1,156 GBP