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Emerald|Natural|GIA

1.00ct J SI2 Emerald Natural Diamond

EX • J/SI2 • GIA 7563717573

Certificate GIA 7563717573

Diamond specifications and retailer prices

From £945 GBP
As of November 4, 2026
Save £785 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,730 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 7563717573. Listed at 12 retailers as of November 4, 2026, with prices from £945 to £1,730, a £785 spread on the same certified stone. Helzberg Diamonds lists it at £1,730. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7563717573
Dimensions6.97 × 4.76 × 3.18 mm
L/W Ratio1.46
Culet sizeNone
Top View
6.97 mm4.76 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7563717573
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NDepth 66.7%

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: £1,730 GBP|Low: £945 GBP|High: £1,730 GBP|Avg: £1,146 GBP
Helzberg Diamonds
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 4£945 GBP
Retailer 8£964 GBP
Retailer 11£981 GBP
Retailer 9£1,018 GBP
Retailer 3£1,051 GBP
Retailer 5£1,068 GBP
Retailer 10£1,092 GBP
Retailer 6£1,210 GBP
Retailer 12£1,340 GBP
Retailer 2£1,382 GBP
Retailer 7£1,594 GBP
Helzberg Diamonds£1,730 GBP

9 data points across 12 retailers

12 retailers£945 GBP to £1,730 GBP

A
Cheapest Retailer
-
£945 GBP
A
Retailer 2
-
£964 GBP
View
A
Retailer 3
-
£981 GBP
View
B+
Retailer 4
-
£1,018 GBP
View
B+
Retailer 5
-
£1,051 GBP
View
B+
Retailer 6
-
£1,068 GBP
View
B+
Retailer 7
-
£1,092 GBP
View
B+
Retailer 8
-
£1,210 GBP
View
B
Retailer 9
-
£1,340 GBP
View
B
Retailer 10
-
£1,382 GBP
View
B
Retailer 11
-
£1,594 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRNLMJNHNLNJ · Nov 6
£1,730 GBP
$2,328 USD
View
11 more retailers have this diamond
Prices start from £945 GBPSave up to £785 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
£945 GBP