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Emerald|Natural|GIA

1.00ct E SI1 Emerald Natural Diamond

ID • E/SI1 • GIA 2557450130

Certificate GIA 2557450130

Diamond specifications and retailer prices

From £1,528 GBP
HK$15,900 HKD
As of October 29, 2026
Save £2,598 GBP (63%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,126 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural emerald diamond

This 1ct natural emerald sits in the classic 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 2557450130. Listed at 25 retailers as of October 27, 2026, with prices from £1,528 to £4,126, a £2,598 spread on the same certified stone. NZ Jewellers lists it at £4,126. 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

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557450130
Dimensions6.75 × 4.57 × 3.19 mm
L/W Ratio1.48
Culet sizeNone
Key to symbols
Knot, Pinpoint
Top View
6.75 mm4.57 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557450130
Side View
Table 67.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 69.7%

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: £1,931 GBP|Low: £1,550 GBP|High: £3,500 GBP|Avg: £2,167 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4£1,561 GBP
Retailer 10£1,753 GBP
Retailer 2£1,821 GBP
Retailer 6£1,893 GBP
Retailer 1£1,931 GBP
Retailer 3£2,109 GBP
Retailer 9£2,269 GBP
Retailer 8£2,403 GBP
Retailer 7£2,461 GBP
Retailer 5£3,476 GBP

22 data points across 10 retailers

25 retailers£1,528 GBP to £4,126 GBP

A
Cheapest Retailer
-
£1,528 GBP
HK$15,900 HKD
A
Retailer 2
-
£1,561 GBP
₹197,924 INR
View
A
Retailer 3
-
£1,746 GBP
$2,325 USD
View
A
Retailer 4
-
£1,753 GBP
SGD 3,155 SGD
View
A
Retailer 5
-
£1,768 GBP
$2,354 USD
View
B+
Retailer 6
-
£1,821 GBP
$2,425 USD
View
Final sale: no returns
B+
Retailer 7
-
£1,893 GBP
$2,521 USD
View
B+
Retailer 8
-
£1,931 GBP
View
B+
Retailer 9
-
£1,949 GBP
$2,595 USD
View
B+
Retailer 10
-
£1,973 GBP
$2,628 USD
View
B+
Retailer 11
-
£1,973 GBP
$2,628 USD
View
B+
Retailer 12
-
£2,049 GBP
$2,729 USD
View
B+
Retailer 13
-
£2,080 GBP
$2,769 USD
View
B+
Retailer 14
-
£2,109 GBP
View
B+
Retailer 15
-
£2,134 GBP
$2,842 USD
View
B+
Retailer 16
-
£2,146 GBP
SGD 3,861 SGD
View
Retailer 17
-
£2,211 GBP
A$4,531 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
£2,265 GBP
$3,016 USD
View
B+
Retailer 19
-
£2,278 GBP
$3,033 USD
View
B+
Retailer 20
-
£2,403 GBP
ZAR 51,706 ZAR
View
B+
Retailer 21
-
£2,461 GBP
€3,121 EUR
View
B
Retailer 22
-
£2,902 GBP
$3,865 USD
View
B
Retailer 23
-
£2,984 GBP
$3,973 USD
View
B
Retailer 24
-
£3,476 GBP
View
Most Expensive
B
NZ Jewellers
f428d27d-1694-46ef-9223-f884ab263d73 · Oct 27
£4,126 GBP
$5,495 USD
View
24 more retailers have this diamond
Prices start from £1,528 GBPSave up to £2,598 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
1.00ct Emerald
£1,528 GBP