Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6561320239

Certificate GIA 6561320239

Diamond specifications and retailer prices

From $2,788 AUD
HK$15,300 HKD
As of October 22, 2026
16 retailers carry this diamond
Most expensive: $7,912 AUD at NZ Jewellers · As of October 20, 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 6561320239. Listed at 16 retailers as of October 20, 2026. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.6°
Pavilion angle36.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561320239
Dimensions8.51 × 5.84 × 3.63 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Top View
8.51 mm5.84 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561320239
Side View
Table 60.0%Crown 39.6°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 62.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 22
Current: $7,912 AUD|Low: $2,788 AUD|High: $8,226 AUD|Avg: $4,213 AUD|-3.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 21, 2026
Retailer 17$2,788 AUD
Retailer 18$2,868 AUD
Retailer 10$3,106 AUD
Retailer 4$3,281 AUD
Retailer 11$3,494 AUD
Retailer 20$3,503 AUD
Retailer 2$3,610 AUD
Retailer 22$3,730 AUD
Retailer 8$3,785 AUD
Retailer 15$3,859 AUD
Retailer 6$3,919 AUD
Retailer 13$3,967 AUD
Retailer 14$4,009 AUD
Retailer 19$4,090 AUD
Retailer 3$4,228 AUD
Retailer 5$4,338 AUD
Retailer 23$4,368 AUD
Retailer 16$4,408 AUD
Retailer 7$4,495 AUD
Retailer 21$4,630 AUD
Retailer 12$4,685 AUD
Retailer 9$6,666 AUD
NZ Jewellers$7,912 AUD

18 data points across 23 retailers

16 retailers$2,788 AUD to $7,912 AUD

Retailer 1
-
$2,788 AUD
HK$15,300 HKD
Price last confirmed 9 days ago
Retailer 2
-
$2,868 AUD
₹191,848 INR
View
Price last confirmed 11 days ago
Retailer 3
-
$3,106 AUD
$2,182 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$3,281 AUD
$2,305 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$3,785 AUD
$2,659 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$3,859 AUD
$2,711 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$3,919 AUD
SGD 3,720 SGD
View
Price last confirmed 10 days ago
Retailer 8
-
$3,967 AUD
£2,194 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
$4,009 AUD
$2,816 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$4,228 AUD
$2,970 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$4,338 AUD
$3,047 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$4,368 AUD
$3,068 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$4,408 AUD
View
Price last confirmed 23 days ago
Retailer 14
-
$4,685 AUD
ZAR 53,168 ZAR
View
Price last confirmed 14 days ago
Retailer 15
-
$6,666 AUD
£3,687 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
cab8952b-6428-4ba4-a6c5-ce093d0ae446 · Oct 20
$7,912 AUD
$5,558 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond

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.

1.20ct Oval
$2,788 AUD