Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 7556609890

Certificate GIA 7556609890

Diamond specifications and retailer prices

From $3,125 SGD
HK$19,100 HKD
As of November 1, 2026
Save $4,077 SGD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,203 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 7556609890. Listed at 21 retailers as of October 30, 2026, with prices from $3,125 to $7,203, a $4,077 spread on the same certified stone. NZ Jewellers lists it at $7,203. 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

1.30
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7556609890
Dimensions8.42 × 6.10 × 3.97 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Top View
8.42 mm6.10 mm1.30 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556609890
Side View
Table 58.0%Crown 38.9°Girdle: MED-STKPavilion 37.8°Culet: NDepth 65.0%

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: Nov 1
Current: $7,203 SGD|Low: $3,109 SGD|High: $7,417 SGD|Avg: $4,428 SGD|-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
November 1, 2026
Retailer 3$3,125 SGD
Retailer 21$3,339 SGD
Retailer 15$3,356 SGD
Retailer 8$3,406 SGD
Retailer 18$3,441 SGD
Retailer 19$3,448 SGD
Retailer 17$3,729 SGD
Retailer 9$3,746 SGD
Retailer 10$3,889 SGD
Retailer 5$4,244 SGD
Retailer 11$4,257 SGD
Retailer 16$4,265 SGD
Retailer 7$4,303 SGD
Retailer 12$4,410 SGD
Retailer 4$4,585 SGD
Retailer 14$4,625 SGD
Retailer 6$4,819 SGD
Retailer 2$4,883 SGD
Retailer 20$5,059 SGD
Retailer 13$6,884 SGD
NZ Jewellers$7,203 SGD

33 data points across 21 retailers

21 retailers$3,125 SGD to $7,203 SGD

A
Cheapest Retailer
-
$3,125 SGD
HK$19,100 HKD
A
Retailer 2
-
$3,339 SGD
$2,612 USD
View
A
Retailer 3
-
$3,356 SGD
$2,625 USD
View
A
Retailer 4
-
$3,406 SGD
$2,664 USD
View
B+
Retailer 5
-
$3,441 SGD
$2,692 USD
View
Final sale: no returns
A
Retailer 6
-
$3,448 SGD
$2,697 USD
View
B+
Retailer 7
-
$3,729 SGD
$2,917 USD
View
B+
Retailer 8
-
$3,746 SGD
$2,930 USD
View
B+
Retailer 9
-
$3,889 SGD
$3,042 USD
View
B+
Retailer 10
-
$4,244 SGD
$3,320 USD
View
B+
Retailer 11
-
$4,257 SGD
$3,330 USD
View
B+
Retailer 12
-
$4,265 SGD
£2,627 GBP
View
B+
Retailer 13
-
$4,303 SGD
$3,366 USD
View
B+
Retailer 14
-
$4,410 SGD
$3,450 USD
View
B
Retailer 15
-
$4,585 SGD
$3,586 USD
View
Retailer 16
-
$4,625 SGD
A$5,566 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$4,819 SGD
€3,590 EUR
View
B+
Retailer 18
-
$4,883 SGD
$3,820 USD
View
B
Retailer 19
-
$5,059 SGD
ZAR 63,933 ZAR
View
B
Retailer 20
-
$6,884 SGD
£4,240 GBP
View
Most Expensive
B
NZ Jewellers
05f0da9f-f850-4587-9553-0258ab60831e · Oct 30
$7,203 SGD
$5,634 USD
View
20 more retailers have this diamond
Prices start from $3,125 SGDSave up to $4,077 SGD

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
1.30ct Oval
$3,125 SGD