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Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 7551184900

Certificate GIA 7551184900

Diamond specifications and retailer prices

From $1,626 USD
HK$12,700 HKD
As of October 30, 2026
Save $2,888 USD (64%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,514 USD 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 7551184900. Listed at 23 retailers as of October 30, 2026, with prices from $1,626 to $4,514, a $2,888 spread on the same certified stone. NZ Jewellers lists it at $4,514. 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
FluorescenceFaint
Crown angle38.4°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551184900
Dimensions8.22 × 5.92 × 3.84 mm
L/W Ratio1.39
Girdle conditionFaceted
Top View
8.22 mm5.92 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7551184900
Side View
Table 57.0%Crown 38.4°Girdle: MED-THKPavilion 37.8°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,514 USD|Low: $1,626 USD|High: $4,647 USD|Avg: $2,349 USD|-2.9%
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
October 31, 2026
Retailer 8$1,626 USD
Retailer 12$1,767 USD
Retailer 11$1,806 USD
Retailer 18$1,808 USD
Retailer 7$1,876 USD
Retailer 6$1,897 USD
Retailer 4$1,956 USD
Retailer 10$1,956 USD
Retailer 22$1,995 USD
Retailer 5$2,046 USD
Retailer 3$2,052 USD
Retailer 16$2,112 USD
Retailer 19$2,170 USD
Retailer 20$2,170 USD
Retailer 21$2,250 USD
Retailer 15$2,257 USD
Retailer 17$2,369 USD
Retailer 9$2,636 USD
Retailer 2$2,654 USD
Retailer 13$2,750 USD
Retailer 14$3,802 USD
NZ Jewellers$4,514 USD

24 data points across 22 retailers

23 retailers$1,626 USD to $4,514 USD

A
Cheapest Retailer
-
$1,626 USD
HK$12,700 HKD
A
Retailer 2
-
$1,767 USD
View
B+
Retailer 3
-
$1,806 USD
View
Final sale: no returns
A
Retailer 4
-
$1,808 USD
View
A
Retailer 5
-
$1,876 USD
View
A
Retailer 6
-
$1,897 USD
View
A
Retailer 7
-
$1,956 USD
View
B+
Retailer 8
-
$1,956 USD
View
B+
Retailer 9
-
$1,995 USD
View
B+
Retailer 10
-
$2,046 USD
View
B+
Retailer 11
-
$2,052 USD
View
B+
Retailer 12
-
$2,112 USD
£1,663 GBP
View
B+
Retailer 13
-
$2,170 USD
View
B+
Retailer 14
-
$2,170 USD
View
B+
Retailer 15
-
$2,250 USD
View
B+
Retailer 16
-
$2,257 USD
View
B+
Retailer 17
-
$2,369 USD
£1,865 GBP
View
B+
Retailer 18
-
$2,636 USD
View
B+
Retailer 19
-
$2,654 USD
ZAR 42,872 ZAR
View
B+
Retailer 20
-
$2,750 USD
€2,619 EUR
View
Retailer 21
-
$2,798 USD
A$4,305 AUD
View
Price last confirmed 24 days ago
B
Retailer 22
-
$3,802 USD
£2,994 GBP
View
Most Expensive
B
NZ Jewellers
dc54fc18-cd9f-41be-b7cc-6cae77bc9f17 · Oct 30
$4,514 USD
View
22 more retailers have this diamond
Prices start from $1,626 USDSave up to $2,888 USD

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
$1,626 USD