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Emerald|Natural|GIA

1.00ct K SI1 Emerald Natural Diamond

EX • K/SI1 • GIA 1545059378

Certificate GIA 1545059378

Diamond specifications and retailer prices

From £872 GBP
As of November 4, 2026
Save £2,058 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,930 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural emerald diamond

This 1ct natural emerald sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545059378. Listed at 11 retailers as of November 4, 2026, with prices from £872 to £2,930, a £2,058 spread on the same certified stone. NZ Jewellers lists it at £2,930. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545059378
Dimensions6.54 × 4.73 × 3.23 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.54 mm4.73 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545059378
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.2%

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: Nov 4
Current: £2,930 GBP|Low: £872 GBP|High: £2,930 GBP|Avg: £1,432 GBP|+0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£872 GBP
Retailer 4£957 GBP
Retailer 8£1,088 GBP
Retailer 10£1,088 GBP
Retailer 9£1,139 GBP
Retailer 5£1,164 GBP
Retailer 3£1,213 GBP
Retailer 11£1,256 GBP
Retailer 6£1,466 GBP
Retailer 2£1,632 GBP
Retailer 7£2,099 GBP
NZ Jewellers£2,930 GBP

46 data points across 12 retailers

11 retailers£872 GBP to £2,930 GBP

A
Cheapest Retailer
-
£872 GBP
A
Retailer 2
-
£957 GBP
View
B+
Retailer 3
-
£1,088 GBP
View
B+
Retailer 4
-
£1,139 GBP
View
B+
Retailer 5
-
£1,164 GBP
View
B+
Retailer 6
-
£1,213 GBP
View
B
Retailer 7
-
£1,256 GBP
View
B
Retailer 8
-
£1,466 GBP
View
B
Retailer 9
-
£1,632 GBP
View
B
Retailer 10
-
£2,099 GBP
View
Most Expensive
C
NZ Jewellers
881e4bb8-d57f-4492-92da-075816d59a85 · Nov 5
£2,930 GBP
$3,944 USD
View
10 more retailers have this diamond
Prices start from £872 GBPSave up to £2,058 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
£872 GBP