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Emerald|Natural|GIA

1.09ct H SI1 Emerald Natural Diamond

ID • H/SI1 • GIA 3555143984

Certificate GIA 3555143984

Diamond specifications and retailer prices

From £2,091 GBP
As of November 5, 2026
Save £2,207 GBP (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,298 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct natural emerald diamond

This 1.09ct natural emerald sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555143984. Listed at 18 retailers as of November 4, 2026, with prices from £2,091 to £4,298, a £2,207 spread on the same certified stone. MOH London lists it at £4,298. 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

1.09
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555143984
Dimensions7.12 × 5.19 × 3.12 mm
L/W Ratio1.37
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather
Top View
7.12 mm5.19 mm1.09 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555143984
Side View
Table 65.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,298 GBP|Low: £2,155 GBP|High: £4,361 GBP|Avg: £3,143 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£2,155 GBP
Retailer 2£2,500 GBP
Retailer 4£2,667 GBP
Retailer 3£3,000 GBP
Retailer 5£3,145 GBP
Retailer 6£4,255 GBP
MOH London£4,298 GBP

34 data points across 7 retailers

18 retailers£2,091 GBP to £4,298 GBP

B+
Cheapest Retailer
-
£2,091 GBP
B+
Retailer 2
-
£2,092 GBP
View
B+
Retailer 3
-
£2,155 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,193 GBP
View
B
Retailer 5
-
£2,334 GBP
View
Retailer 6
-
£2,334 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£2,349 GBP
View
B
Retailer 8
-
£2,424 GBP
View
B+
Retailer 9
-
£2,500 GBP
View
B
Retailer 10
-
£2,667 GBP
View
B
Retailer 11
-
£2,694 GBP
View
Retailer 12
-
£2,763 GBP
View
Price last confirmed 33 days ago
B
Retailer 13
-
£2,828 GBP
View
Retailer 14
-
£2,921 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
-
£3,000 GBP
View
B
Retailer 16
-
£3,145 GBP
View
Retailer 17
-
£4,255 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
DF6CD212F · Nov 4
£4,298 GBP
View
17 more retailers have this diamond
Prices start from £2,091 GBPSave up to £2,207 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.

B+
1.09ct Emerald
£2,091 GBP