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Emerald|Natural|GIA

1.00ct H SI1 Emerald Natural Diamond

ID • H/SI1 • GIA 1555529243

Certificate GIA 1555529243

Diamond specifications and retailer prices

From £1,294 GBP
As of November 4, 2026
Save £2,172 GBP (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,466 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 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 1555529243. Listed at 18 retailers as of November 4, 2026, with prices from £1,294 to £3,466, a £2,172 spread on the same certified stone. NZ Jewellers lists it at £3,466. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle49.16°
Pavilion angle58.19°
OriginNatural
Grading LabGIA
CertificateGIA 1555529243
Dimensions4.79 × 6.71 × 3.19 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
4.79 mm6.71 mm1.00 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555529243
Side View
Table 66.0%Crown 49.16°Girdle: STK-THKPavilion 58.19°Culet: NoneDepth 66.5%

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: £3,466 GBP|Low: £1,239 GBP|High: £3,572 GBP|Avg: £1,773 GBP|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 4£1,294 GBP
Retailer 5£1,311 GBP
Retailer 2£1,358 GBP
Retailer 7£1,363 GBP
Retailer 3£1,415 GBP
Retailer 16£1,421 GBP
Retailer 13£1,456 GBP
Retailer 6£1,464 GBP
Retailer 15£1,487 GBP
Retailer 9£1,502 GBP
Retailer 10£1,520 GBP
Retailer 12£1,536 GBP
Retailer 11£1,615 GBP
Retailer 8£1,910 GBP
Retailer 14£2,490 GBP
NZ Jewellers£3,466 GBP

33 data points across 16 retailers

18 retailers£1,294 GBP to £3,466 GBP

A
Cheapest Retailer
-
£1,294 GBP
A
Retailer 2
-
£1,311 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,358 GBP
View
A
Retailer 4
-
£1,363 GBP
View
B+
Retailer 5
-
£1,415 GBP
View
A
Retailer 6
-
£1,421 GBP
View
B+
Retailer 7
-
£1,456 GBP
View
B+
Retailer 8
-
£1,462 GBP
View
Retailer 9
-
£1,464 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£1,487 GBP
View
B+
Retailer 11
-
£1,502 GBP
View
B+
Retailer 12
-
£1,520 GBP
View
B+
Retailer 13
-
£1,536 GBP
View
B+
Retailer 14
-
£1,615 GBP
View
Retailer 15
-
£1,736 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
£1,910 GBP
View
Price last confirmed 32 days ago
B
Retailer 17
-
£2,490 GBP
View
Most Expensive
B
NZ Jewellers
65c57e9c-a0d7-4f67-83f2-2f7cbba6a180 · Nov 5
£3,466 GBP
$4,665 USD
View
17 more retailers have this diamond
Prices start from £1,294 GBPSave up to £2,172 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
£1,294 GBP