Oval|Natural|GIA

1.30ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 6541282838

Certificate GIA 6541282838

Diamond specifications and retailer prices

From $3,140 USD
As of November 3, 2026
Save $2,511 USD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,651 USD at NZ Jewellers · As of November 2, 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 H 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 6541282838. Listed at 8 retailers as of November 2, 2026, with prices from $3,140 to $5,651, a $2,511 spread on the same certified stone. NZ Jewellers lists it at $5,651. 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
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle39.36°
Pavilion angle40.25°
OriginNatural
Grading LabGIA
CertificateGIA 6541282838
Dimensions8.26 × 6.00 × 3.93 mm
L/W Ratio1.38
Top View
8.26 mm6.00 mm1.30 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6541282838
Side View
Table 57.0%Crown 39.36°Girdle: THN-VTKPavilion 40.25°Culet: NoneDepth 65.6%

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 3
Current: $5,651 USD|Low: $3,140 USD|High: $5,708 USD|Avg: $3,914 USD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$3,140 USD
Retailer 2$3,163 USD
Retailer 4$3,244 USD
Retailer 6$3,369 USD
Retailer 7$3,393 USD
Retailer 8$3,500 USD
Retailer 10$3,631 USD
Retailer 9$3,805 USD
Retailer 3$5,424 USD
NZ Jewellers$5,651 USD

36 data points across 10 retailers

8 retailers$3,140 USD to $5,651 USD

A
Cheapest Retailer
-
$3,140 USD
A
Retailer 2
-
$3,163 USD
View
A
Retailer 3
-
$3,244 USD
View
A
Retailer 4
-
$3,369 USD
View
A
Retailer 5
-
$3,393 USD
View
Retailer 6
-
$3,500 USD
View
Price last confirmed 30 days ago
B
Retailer 7
-
$5,424 USD
View
Most Expensive
B
NZ Jewellers
c4b2ee91-c65a-4693-a326-f947e462ec47 · Nov 2
$5,651 USD
View
7 more retailers have this diamond
Prices start from $3,140 USDSave up to $2,511 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
1.30ct Oval
$3,140 USD