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Emerald|Natural|GIA

1.00ct J SI1 Emerald Natural Diamond

ID • J/SI1 • GIA 1539123559

Certificate GIA 1539123559

Diamond specifications and retailer prices

From $3,018 USD
As of October 31, 2026
Save $1,327 USD (31%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,345 USD at Cape Diamonds · As of October 31, 2026
View at Cape Diamonds

About this 1ct natural emerald diamond

This 1ct natural emerald sits in the classic one-carat band, graded J 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 1539123559. Listed at 16 retailers as of October 31, 2026, with prices from $3,018 to $4,345, a $1,327 spread on the same certified stone. Cape Diamonds lists it at $4,345. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1539123559
Dimensions6.77 × 4.74 × 3.18 mm
L/W Ratio1.43
Girdle conditionVery Thick
Key to symbols
Cloud, Crystal, Needle
Top View
6.77 mm4.74 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1539123559
Side View
Table 56.0%CrownGirdle: Very ThickPavilionCulet: NDepth 67.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,345 USD|Low: $3,018 USD|High: $6,159 USD|Avg: $4,128 USD|+2.2%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$3,018 USD
Retailer 7$3,199 USD
Retailer 8$3,400 USD
Retailer 6$3,671 USD
Retailer 3$3,695 USD
Retailer 5$3,787 USD
Retailer 2$4,137 USD
Cape Diamonds$4,345 USD
Retailer 4$5,912 USD
Retailer 10$6,159 USD

44 data points across 10 retailers

16 retailers$3,018 USD to $4,345 USD

B
Cheapest Retailer
-
$3,018 USD
B
Retailer 2
-
$3,138 USD
View
B
Retailer 3
-
$3,199 USD
View
B
Retailer 4
-
$3,353 USD
A$5,158 AUD
View
B
Retailer 5
-
$3,400 USD
View
B
Retailer 6
-
$3,535 USD
View
B
Retailer 7
-
$3,535 USD
View
B
Retailer 8
-
$3,671 USD
View
B
Retailer 9
-
$3,680 USD
View
B
Retailer 10
-
$3,695 USD
£2,909 GBP
View
Retailer 11
-
$3,787 USD
A$5,826 AUD
View
Price last confirmed 24 days ago
B
Retailer 12
-
$4,079 USD
View
B
Retailer 13
-
$4,137 USD
€3,940 EUR
View
Most Expensive
B
Cape Diamonds
cert_1539123559 · Oct 31
$4,345 USD
ZAR 70,199 ZAR
View
13 more retailers have this diamond
Prices start from $3,018 USDSave up to $1,327 USD

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
1.00ct Emerald
$3,018 USD