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Oval|Natural|GIA

1.28ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2547009065

Certificate GIA 2547009065

Diamond specifications and retailer prices

From $3,896 SGD
As of November 7, 2026
Save $4,937 SGD (56%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $8,833 SGD at NZ Jewellers · As of November 7, 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 30 retailers as of November 7, 2026, with prices from $3,896 to $8,833, a $4,937 spread on the same certified stone. NZ Jewellers lists it at $8,833. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $8,833 SGD|Low: $3,664 SGD|High: $8,833 SGD|Avg: $5,638 SGD
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
November 7, 2026
Retailer 6$3,920 SGD
Retailer 3$4,031 SGD
Retailer 10$4,495 SGD
Retailer 7$4,593 SGD
Retailer 4$4,770 SGD
Retailer 9$4,887 SGD
Retailer 5$4,911 SGD
Retailer 12$5,134 SGD
Retailer 15$5,430 SGD
Retailer 8$5,494 SGD
Retailer 14$5,736 SGD
Retailer 13$6,188 SGD
Retailer 2$6,391 SGD
Retailer 11$8,432 SGD
NZ Jewellers$8,833 SGD

43 data points across 15 retailers

30 retailers$3,896 SGD to $8,833 SGD

B+
Cheapest Retailer
-
$3,896 SGD
B+
Retailer 2
-
$3,920 SGD
View
B+
Retailer 3
-
$3,995 SGD
View
B+
Retailer 4
-
$4,031 SGD
View
Final sale: no returns
B+
Retailer 5
-
$4,078 SGD
View
B
Retailer 6
-
$4,314 SGD
View
B
Retailer 7
-
$4,364 SGD
View
B
Retailer 8
-
$4,415 SGD
View
B
Retailer 9
-
$4,495 SGD
View
B
Retailer 10
-
$4,593 SGD
View
B
Retailer 11
-
$4,593 SGD
View
B
Retailer 12
-
$4,770 SGD
View
B
Retailer 13
-
$4,887 SGD
View
B
Retailer 14
-
$4,911 SGD
View
B
Retailer 15
-
$4,996 SGD
View
B
Retailer 16
-
$4,996 SGD
View
B
Retailer 17
-
$5,134 SGD
View
B
Retailer 18
-
$5,190 SGD
View
B
Retailer 19
-
$5,190 SGD
View
B
Retailer 20
-
$5,299 SGD
View
B
Retailer 21
-
$5,370 SGD
View
Retailer 22
-
$5,430 SGD
View
Price last confirmed 30 days ago
B
Retailer 23
-
$5,494 SGD
View
B
Retailer 24
-
$5,736 SGD
View
B
Retailer 25
-
$5,961 SGD
View
B
Retailer 26
-
$6,188 SGD
View
B
Retailer 27
-
$6,391 SGD
View
B
Retailer 28
-
$7,326 SGD
View
B
Retailer 29
-
$8,432 SGD
View
Most Expensive
B
NZ Jewellers
9fc7498b-d657-424c-a631-b4c64e9afbe9 · Nov 7
$8,833 SGD
$6,892 USD
View
29 more retailers have this diamond
Prices start from $3,896 SGDSave up to $4,937 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.

B+
1.28ct Oval
$3,896 SGD