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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1543029754

Certificate GIA 1543029754

Diamond specifications and retailer prices

From $1,863 CAD
HK$10,400 HKD
As of October 30, 2026
Save $4,386 CAD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,249 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval 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 1543029754. Listed at 10 retailers as of October 30, 2026, with prices from $1,863 to $6,249, a $4,386 spread on the same certified stone. NZ Jewellers lists it at $6,249. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.13°
OriginNatural
Grading LabGIA
CertificateGIA 1543029754
Dimensions8.19 × 5.84 × 3.71 mm
L/W Ratio1.40
Key to symbols
Crystal, Knot, Feather, Needle
Top View
8.19 mm5.84 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543029754
Side View
Table 60.0%CrownGirdle: STK-THKPavilion 35.13°Culet: NoneDepth 63.5%

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: Oct 30
Current: $6,249 CAD|Low: $1,863 CAD|High: $6,249 CAD|Avg: $3,198 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10$1,863 CAD
Retailer 11$2,465 CAD
Retailer 6$2,563 CAD
Retailer 12$2,605 CAD
Retailer 9$2,616 CAD
Retailer 7$2,680 CAD
Retailer 8$2,837 CAD
Retailer 5$3,517 CAD
Retailer 4$3,608 CAD
Retailer 3$3,823 CAD
Retailer 2$4,513 CAD
NZ Jewellers$6,249 CAD

31 data points across 12 retailers

10 retailers$1,863 CAD to $6,249 CAD

A
Cheapest Retailer
-
$1,863 CAD
HK$10,400 HKD
A
Retailer 2
-
$2,465 CAD
$1,761 USD
View
A
Retailer 3
-
$2,563 CAD
$1,831 USD
View
B+
Retailer 4
-
$2,605 CAD
$1,861 USD
View
Final sale: no returns
A
Retailer 5
-
$2,616 CAD
SGD 2,526 SGD
View
A
Retailer 6
-
$2,680 CAD
$1,915 USD
View
B+
Retailer 7
-
$2,837 CAD
$2,027 USD
View
B+
Retailer 8
-
$3,517 CAD
€2,393 EUR
View
B
Retailer 9
-
$4,513 CAD
£2,539 GBP
View
Most Expensive
B
NZ Jewellers
e8d40a08-bbda-461f-9049-c2ef64dd678a · Oct 30
$6,249 CAD
$4,465 USD
View
9 more retailers have this diamond
Prices start from $1,863 CADSave up to $4,386 CAD

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 Oval
$1,863 CAD