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Emerald|Natural|GIA

1.00ct J SI2 Emerald Natural Diamond

EX • J/SI2 • GIA 6511906630

Certificate GIA 6511906630

Diamond specifications and retailer prices

From £779 GBP
As of November 4, 2026
Save £398 GBP (34%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,177 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6511906630. Listed at 8 retailers as of November 4, 2026, with prices from £779 to £1,177, a £398 spread on the same certified stone. GemTrove lists it at £1,177. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511906630
Dimensions6.59 × 4.86 × 3.26 mm
L/W Ratio1.36
Top View
6.59 mm4.86 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6511906630
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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: £1,177 GBP|Low: £683 GBP|High: £1,177 GBP|Avg: £947 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£742 GBP
Retailer 6£779 GBP
Retailer 7£860 GBP
Retailer 4£898 GBP
Retailer 2£944 GBP
Retailer 5£973 GBP
Retailer 3£1,129 GBP
GemTrove£1,177 GBP

40 data points across 8 retailers

8 retailers£779 GBP to £1,177 GBP

Retailer 1
-
£742 GBP
Price last confirmed 81 days ago
A
Retailer 2
-
£779 GBP
View
Final sale: no returns
A
Retailer 3
-
£860 GBP
View
A
Retailer 4
-
£898 GBP
View
A
Retailer 5
-
£944 GBP
View
B+
Retailer 6
-
£973 GBP
View
B+
Retailer 7
-
£1,129 GBP
View
Most Expensive
B+
GemTrove
GT-N-01258846-98 · Nov 6
£1,177 GBP
A$2,438 AUD
View
7 more retailers have this diamond
Prices start from £779 GBPSave up to £398 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
£779 GBP