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Oval|Natural|GIA

1.28ct M SI1 Oval Natural Diamond

ID • M/SI1 • GIA 6445428290

Certificate GIA 6445428290

Diamond specifications and retailer prices

From $1,722 SGD
As of November 6, 2026
Save $3,964 SGD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,686 SGD 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6445428290. Listed at 12 retailers as of November 5, 2026, with prices from $1,722 to $5,686, a $3,964 spread on the same certified stone. NZ Jewellers lists it at $5,686. 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
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6445428290
Dimensions8.30 × 5.71 × 3.95 mm
L/W Ratio1.45
Top View
8.30 mm5.71 mm1.28 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6445428290
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 69.2%

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: Nov 6
Current: $5,686 SGD|Low: $1,706 SGD|High: $5,766 SGD|Avg: $2,697 SGD|-1.4%
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
November 6, 2026
Retailer 7$1,722 SGD
Retailer 3$2,129 SGD
Retailer 5$2,286 SGD
Retailer 8$2,331 SGD
Retailer 11$2,331 SGD
Retailer 4$2,363 SGD
Retailer 9$2,403 SGD
Retailer 13$2,439 SGD
Retailer 10$2,507 SGD
Retailer 12$2,690 SGD
Retailer 6$2,845 SGD
Retailer 2$3,166 SGD
NZ Jewellers$5,686 SGD

32 data points across 13 retailers

12 retailers$1,722 SGD to $5,686 SGD

A
Cheapest Retailer
-
$1,722 SGD
A
Retailer 2
-
$2,129 SGD
View
Retailer 3
-
$2,331 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,331 SGD
View
B+
Retailer 5
-
$2,363 SGD
View
B+
Retailer 6
-
$2,403 SGD
View
B+
Retailer 7
-
$2,439 SGD
View
B+
Retailer 8
-
$2,507 SGD
View
B+
Retailer 9
-
$2,690 SGD
View
B+
Retailer 10
-
$2,845 SGD
View
B
Retailer 11
-
$3,166 SGD
View
Most Expensive
B
NZ Jewellers
0aa3f585-1d3d-4c76-8aa9-2cace6c3caa2 · Nov 5
$5,686 SGD
$4,437 USD
View
11 more retailers have this diamond
Prices start from $1,722 SGDSave up to $3,964 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
1.28ct Oval
$1,722 SGD