Oval|Natural|GIA

0.80ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1559121038

Certificate GIA 1559121038

Diamond specifications and retailer prices

From £990 GBP
HK$10,300 HKD
As of October 29, 2026
Save £2,146 GBP (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,136 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.8ct natural oval diamond

This 0.8ct natural oval sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559121038. Listed at 19 retailers as of October 27, 2026, with prices from £990 to £3,136, a £2,146 spread on the same certified stone. NZ Jewellers lists it at £3,136. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559121038
Dimensions7.84 × 5.18 × 3.14 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
7.84 mm5.18 mm0.80 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559121038
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.6%

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: £3,136 GBP|Low: £990 GBP|High: £3,136 GBP|Avg: £1,756 GBP
NZ Jewellers
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 3£990 GBP
Retailer 10£1,213 GBP
Retailer 12£1,376 GBP
Retailer 9£1,379 GBP
Retailer 2£1,436 GBP
Retailer 5£1,630 GBP
Retailer 6£1,636 GBP
Retailer 11£1,678 GBP
Retailer 4£1,829 GBP
Retailer 7£1,897 GBP
Retailer 8£2,264 GBP
NZ Jewellers£3,136 GBP

36 data points across 12 retailers

19 retailers£990 GBP to £3,136 GBP

A
Cheapest Retailer
-
£990 GBP
HK$10,300 HKD
A
Retailer 2
-
£1,198 GBP
$1,596 USD
View
A
Retailer 3
-
£1,213 GBP
$1,615 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,315 GBP
$1,751 USD
View
B+
Retailer 5
-
£1,363 GBP
$1,815 USD
View
B+
Retailer 6
-
£1,376 GBP
$1,832 USD
View
B+
Retailer 7
-
£1,379 GBP
$1,837 USD
View
B+
Retailer 8
-
£1,388 GBP
$1,849 USD
View
B+
Retailer 9
-
£1,436 GBP
View
B+
Retailer 10
-
£1,517 GBP
$2,020 USD
View
B+
Retailer 11
-
£1,625 GBP
$2,164 USD
View
B+
Retailer 12
-
£1,630 GBP
View
B+
Retailer 13
-
£1,636 GBP
€2,075 EUR
View
B+
Retailer 14
-
£1,678 GBP
A$3,437 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
£1,829 GBP
€2,320 EUR
View
B+
Retailer 16
-
£1,897 GBP
ZAR 40,810 ZAR
View
B
Retailer 17
-
£2,264 GBP
View
B
Retailer 18
-
£3,136 GBP
$4,176 USD
View
Price last confirmed 61 days ago
Most Expensive
B
NZ Jewellers
0730baca-bfaa-4da7-97bb-a93be0fc7345 · Oct 27
£3,136 GBP
$4,176 USD
View
18 more retailers have this diamond
Prices start from £990 GBPSave up to £2,146 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 Oval
£990 GBP