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Emerald|Natural|GIA

1.20ct J SI1 Emerald Natural Diamond

EX • J/SI1 • GIA 1558246528

Certificate GIA 1558246528

Diamond specifications and retailer prices

From $2,980 NZD
SGD 2,270 SGD
As of October 31, 2026
Save $2,483 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,463 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.2ct natural emerald diamond

This 1.2ct 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 1558246528. Listed at 15 retailers as of October 31, 2026, with prices from $2,980 to $5,463, a $2,483 spread on the same certified stone. Helzberg Diamonds lists it at $5,463. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558246528
Dimensions7.13 × 5.07 × 3.40 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.13 mm5.07 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558246528
Side View
Table 70.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.1%

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: Oct 31
Current: $5,463 NZD|Low: $2,980 NZD|High: $5,688 NZD|Avg: $3,906 NZD|-4.0%
Helzberg Diamonds
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
November 2, 2026
Retailer 15$2,980 NZD
Retailer 11$3,049 NZD
Retailer 12$3,050 NZD
Retailer 13$3,086 NZD
Retailer 5$3,319 NZD
Retailer 8$3,371 NZD
Retailer 10$3,630 NZD
Retailer 3$3,655 NZD
Retailer 9$3,825 NZD
Retailer 4$3,978 NZD
Retailer 7$4,014 NZD
Retailer 2$4,279 NZD
Retailer 14$4,647 NZD
Retailer 6$5,051 NZD
Helzberg Diamonds$5,463 NZD

27 data points across 15 retailers

15 retailers$2,980 NZD to $5,463 NZD

A
Cheapest Retailer
-
$2,980 NZD
SGD 2,270 SGD
A
Retailer 2
-
$3,049 NZD
$1,718 USD
View
A
Retailer 3
-
$3,050 NZD
$1,719 USD
View
B+
Retailer 4
-
$3,086 NZD
$1,739 USD
View
B+
Retailer 5
-
$3,319 NZD
SGD 2,528 SGD
View
B+
Retailer 6
-
$3,371 NZD
£1,496 GBP
View
B+
Retailer 7
-
$3,630 NZD
$2,046 USD
View
B+
Retailer 8
-
$3,655 NZD
$2,060 USD
View
B
Retailer 9
-
$3,696 NZD
$2,083 USD
View
B+
Retailer 10
-
$3,825 NZD
$2,156 USD
View
B
Retailer 11
-
$3,978 NZD
$2,242 USD
View
B
Retailer 12
-
$4,279 NZD
€2,297 EUR
View
B
Retailer 13
-
$4,647 NZD
$2,619 USD
View
B
Retailer 14
-
$5,051 NZD
$2,846 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLOIKMLIO · Nov 1
$5,463 NZD
$3,079 USD
View
14 more retailers have this diamond
Prices start from $2,980 NZDSave up to $2,483 NZD

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
1.20ct Emerald
$2,980 NZD