Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 6561320239

Certificate GIA 6561320239

Diamond specifications and retailer prices

From $1,958 USD
HK$15,300 HKD
As of October 22, 2026
20 retailers carry this diamond
Most expensive: $5,558 USD 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 20 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
Color
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: $5,558 USD|Low: $1,958 USD|High: $5,778 USD|Avg: $2,959 USD|-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$1,958 USD
Retailer 18$2,014 USD
Retailer 10$2,182 USD
Retailer 4$2,305 USD
Retailer 11$2,454 USD
Retailer 20$2,461 USD
Retailer 2$2,536 USD
Retailer 22$2,620 USD
Retailer 8$2,659 USD
Retailer 15$2,711 USD
Retailer 6$2,753 USD
Retailer 13$2,787 USD
Retailer 14$2,816 USD
Retailer 19$2,873 USD
Retailer 3$2,970 USD
Retailer 5$3,047 USD
Retailer 23$3,068 USD
Retailer 16$3,097 USD
Retailer 7$3,157 USD
Retailer 21$3,252 USD
Retailer 12$3,291 USD
Retailer 9$4,682 USD
NZ Jewellers$5,558 USD

18 data points across 23 retailers

20 retailers$1,958 USD to $5,558 USD

Retailer 1
-
$1,958 USD
HK$15,300 HKD
Price last confirmed 8 days ago
Retailer 2
-
$2,014 USD
₹191,848 INR
View
Price last confirmed 10 days ago
Retailer 3
-
$2,182 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$2,305 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$2,536 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$2,620 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$2,659 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$2,711 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$2,753 USD
SGD 3,720 SGD
View
Price last confirmed 9 days ago
Retailer 10
-
$2,787 USD
£2,194 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$2,816 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$2,873 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$2,970 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$3,047 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$3,068 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$3,097 USD
A$4,764 AUD
View
Price last confirmed 23 days ago
Retailer 17
-
$3,252 USD
View
Price last confirmed 8 days ago
Retailer 18
-
$3,291 USD
ZAR 53,168 ZAR
View
Price last confirmed 13 days ago
Retailer 19
-
$4,682 USD
£3,687 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
cab8952b-6428-4ba4-a6c5-ce093d0ae446 · Oct 20
$5,558 USD
View
Price last confirmed 10 days ago
19 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
$1,958 USD