Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1553999146

Certificate GIA 1553999146

Diamond specifications and retailer prices

From $1,680 USD
SGD 2,270 SGD
As of October 31, 2026
Save $1,589 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,268 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 1553999146. Listed at 12 retailers as of October 26, 2026, with prices from $1,680 to $3,268, a $1,589 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,268. 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
Crown angle39.84°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 1553999146
Dimensions8.27 × 5.95 × 3.70 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.27 mm5.95 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553999146
Side View
Table 59.0%Crown 39.84°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 62.2%

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 31
Current: $2,493 USD|Low: $1,680 USD|High: $3,498 USD|Avg: $2,444 USD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 31, 2026
Retailer 9$1,680 USD
Retailer 7$1,971 USD
Retailer 6$1,988 USD
Retailer 3$2,032 USD
Retailer 2$2,165 USD
Retailer 4$2,176 USD
Retailer 10$2,364 USD
Retailer 1$2,493 USD
Retailer 11$2,523 USD
Retailer 5$2,793 USD
Retailer 8$3,030 USD
Wholesale Diamonds Direct$3,268 USD

31 data points across 12 retailers

12 retailers$1,680 USD to $3,268 USD

A
Cheapest Retailer
-
$1,680 USD
SGD 2,270 SGD
A
Retailer 2
-
$1,971 USD
View
A
Retailer 3
-
$1,988 USD
View
B+
Retailer 4
-
$2,032 USD
View
B+
Retailer 5
-
$2,165 USD
SGD 2,926 SGD
View
B+
Retailer 6
-
$2,176 USD
£1,714 GBP
View
B+
Retailer 7
-
$2,364 USD
View
B+
Retailer 8
-
$2,493 USD
View
B+
Retailer 9
-
$2,523 USD
View
B+
Retailer 10
-
$2,793 USD
€2,660 EUR
View
B
Retailer 11
-
$3,030 USD
View
Most Expensive
B
Wholesale Diamonds Direct
271990025 · Oct 26
$3,268 USD
View
11 more retailers have this diamond
Prices start from $1,680 USDSave up to $1,589 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
$1,680 USD