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Emerald|Natural|GIA

1.00ct H SI1 Emerald Natural Diamond

EX • H/SI1 • GIA 6542171677

Certificate GIA 6542171677

Diamond specifications and retailer prices

From £1,036 GBP
As of November 4, 2026
Save £363 GBP (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,400 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural emerald diamond

This 1ct 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 6542171677. Listed at 7 retailers as of November 4, 2026, with prices from £1,036 to £1,400, a £363 spread on the same certified stone. GemTrove lists it at £1,400. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542171677
Dimensions6.19 × 4.76 × 3.41 mm
L/W Ratio1.30
Top View
6.19 mm4.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542171677
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,400 GBP|Low: £932 GBP|High: £1,435 GBP|Avg: £1,185 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£1,036 GBP
Retailer 7£1,041 GBP
Retailer 3£1,051 GBP
Retailer 2£1,128 GBP
Retailer 5£1,182 GBP
Retailer 4£1,253 GBP
GemTrove£1,400 GBP

41 data points across 7 retailers

7 retailers£1,036 GBP to £1,400 GBP

A
Cheapest Retailer
-
£1,036 GBP
Final sale: no returns
A
Retailer 2
-
£1,041 GBP
View
A
Retailer 3
-
£1,051 GBP
View
A
Retailer 4
-
£1,128 GBP
View
A
Retailer 5
-
£1,182 GBP
View
A
Retailer 6
-
£1,253 GBP
View
Most Expensive
B+
GemTrove
GT-N-01258530-98 · Nov 6
£1,400 GBP
A$2,898 AUD
View
6 more retailers have this diamond
Prices start from £1,036 GBPSave up to £363 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
£1,036 GBP