Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5426502642

Certificate GIA 5426502642

Diamond specifications and retailer prices

From €1,478 EUR
HK$12,900 HKD
As of November 1, 2026
Save €2,668 EUR (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,146 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426502642. Listed at 17 retailers as of October 30, 2026, with prices from €1,478 to €4,146, a €2,668 spread on the same certified stone. NZ Jewellers lists it at €4,146. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5426502642
Dimensions8.25 × 5.58 × 3.92 mm
L/W Ratio1.48
Top View
8.25 mm5.58 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5426502642
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 70.3%

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 1
Current: €4,146 EUR|Low: €1,455 EUR|High: €4,176 EUR|Avg: €2,257 EUR|-0.7%
NZ Jewellers
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 1, 2026
Retailer 10€1,478 EUR
Retailer 6€1,754 EUR
Retailer 7€1,800 EUR
Retailer 15€1,830 EUR
Retailer 12€1,984 EUR
Retailer 14€1,984 EUR
Retailer 2€1,987 EUR
Retailer 4€2,049 EUR
Retailer 5€2,075 EUR
Retailer 13€2,108 EUR
Retailer 9€2,176 EUR
Retailer 3€2,289 EUR
Retailer 11€2,477 EUR
Retailer 8€3,475 EUR
NZ Jewellers€4,146 EUR

27 data points across 15 retailers

17 retailers€1,478 EUR to €4,146 EUR

A
Cheapest Retailer
-
€1,478 EUR
HK$12,900 HKD
B+
Retailer 2
-
€1,754 EUR
$1,960 USD
View
B+
Retailer 3
-
€1,800 EUR
$2,011 USD
View
B+
Retailer 4
-
€1,830 EUR
$2,045 USD
View
Final sale: no returns
Retailer 5
-
€1,957 EUR
$2,186 USD
View
Price last confirmed 111 days ago
B+
Retailer 6
-
€1,971 EUR
A$3,388 AUD
View
B+
Retailer 7
-
€1,984 EUR
$2,216 USD
View
B+
Retailer 8
-
€1,984 EUR
$2,216 USD
View
B+
Retailer 9
-
€1,987 EUR
£1,748 GBP
View
B+
Retailer 10
-
€2,049 EUR
SGD 3,094 SGD
View
B+
Retailer 11
-
€2,075 EUR
$2,318 USD
View
B+
Retailer 12
-
€2,108 EUR
$2,355 USD
View
B+
Retailer 13
-
€2,176 EUR
£1,915 GBP
View
B
Retailer 14
-
€2,289 EUR
$2,557 USD
View
B+
Retailer 15
-
€2,477 EUR
View
B
Retailer 16
-
€3,475 EUR
£3,057 GBP
View
Most Expensive
B
NZ Jewellers
6b445b4d-fc17-40f2-a953-984a79f3d77b · Oct 30
€4,146 EUR
$4,632 USD
View
16 more retailers have this diamond
Prices start from €1,478 EURSave up to €2,668 EUR

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
€1,478 EUR