Oval|Natural|GIA

1.28ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2547009065

Certificate GIA 2547009065

Diamond specifications and retailer prices

From $3,040 USD
As of November 4, 2026
Save $3,852 USD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,892 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural oval diamond

This 1.28ct 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 2547009065. Listed at 26 retailers as of November 4, 2026, with prices from $3,040 to $6,892, a $3,852 spread on the same certified stone. NZ Jewellers lists it at $6,892. 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

1.28
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2547009065
Dimensions8.63 × 6.10 × 3.76 mm
L/W Ratio1.41
Top View
8.63 mm6.10 mm1.28 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2547009065
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,892 USD|Low: $2,859 USD|High: $6,892 USD|Avg: $4,382 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12$3,059 USD
Retailer 9$3,145 USD
Retailer 3$3,584 USD
Retailer 10$3,722 USD
Retailer 11$3,832 USD
Retailer 5$4,006 USD
Retailer 4$4,135 USD
Retailer 8$4,237 USD
Retailer 6$4,476 USD
Retailer 2$4,828 USD
Retailer 7$6,615 USD
NZ Jewellers$6,892 USD

43 data points across 12 retailers

26 retailers$3,040 USD to $6,892 USD

B+
Cheapest Retailer
-
$3,040 USD
B+
Retailer 2
-
$3,059 USD
View
B+
Retailer 3
-
$3,117 USD
View
B+
Retailer 4
-
$3,145 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,182 USD
View
B
Retailer 6
-
$3,366 USD
View
B
Retailer 7
-
$3,405 USD
View
B
Retailer 8
-
$3,445 USD
View
Retailer 9
-
$3,584 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$3,584 USD
View
B
Retailer 11
-
$3,722 USD
View
B
Retailer 12
-
$3,832 USD
View
B
Retailer 13
-
$3,898 USD
View
B
Retailer 14
-
$3,898 USD
View
B
Retailer 15
-
$4,006 USD
View
B
Retailer 16
-
$4,050 USD
View
B
Retailer 17
-
$4,050 USD
View
B
Retailer 18
-
$4,135 USD
View
B
Retailer 19
-
$4,190 USD
View
Retailer 20
-
$4,237 USD
View
Price last confirmed 29 days ago
B
Retailer 21
-
$4,476 USD
View
B
Retailer 22
-
$4,651 USD
View
B
Retailer 23
-
$4,828 USD
View
B
Retailer 24
-
$5,716 USD
View
B
Retailer 25
-
$6,615 USD
View
Most Expensive
B
NZ Jewellers
9fc7498b-d657-424c-a631-b4c64e9afbe9 · Nov 5
$6,892 USD
View
25 more retailers have this diamond
Prices start from $3,040 USDSave up to $3,852 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.

B+
1.28ct Oval
$3,040 USD