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Oval|Natural|GIA

1.00ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 6422573558

Certificate GIA 6422573558

Diamond specifications and retailer prices

From $1,567 SGD
As of November 6, 2026
Save $3,796 SGD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,363 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded K 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 6422573558. Listed at 17 retailers as of November 5, 2026, with prices from $1,567 to $5,363, a $3,796 spread on the same certified stone. NZ Jewellers lists it at $5,363. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6422573558
Dimensions7.54 × 5.71 × 3.36 mm
L/W Ratio1.32
Top View
7.54 mm5.71 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6422573558
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.9%

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: $2,403 SGD|Low: $1,567 SGD|High: $3,892 SGD|Avg: $2,371 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$1,567 SGD
Retailer 6$1,590 SGD
Retailer 8$2,057 SGD
Retailer 9$2,300 SGD
Retailer 1$2,403 SGD
Retailer 3$2,440 SGD
Retailer 4$2,684 SGD
Retailer 7$3,002 SGD
Retailer 5$3,841 SGD

39 data points across 9 retailers

17 retailers$1,567 SGD to $5,363 SGD

A
Cheapest Retailer
-
$1,567 SGD
A
Retailer 2
-
$1,590 SGD
View
B+
Retailer 3
-
$2,043 SGD
View
B+
Retailer 4
-
$2,057 SGD
View
Retailer 5
-
$2,199 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,199 SGD
View
B+
Retailer 7
-
$2,220 SGD
View
B+
Retailer 8
-
$2,288 SGD
View
B+
Retailer 9
-
$2,300 SGD
View
B+
Retailer 10
-
$2,403 SGD
View
B+
Retailer 11
-
$2,440 SGD
View
B+
Retailer 12
-
$2,538 SGD
View
B
Retailer 13
-
$2,684 SGD
View
B
Retailer 14
-
$3,002 SGD
View
B
Retailer 15
-
$3,841 SGD
View
B
Retailer 16
-
$4,215 SGD
View
Most Expensive
C
NZ Jewellers
a0daa0b7-c253-4d3e-bdf8-a98d80c4287a · Nov 5
$5,363 SGD
$4,185 USD
View
16 more retailers have this diamond
Prices start from $1,567 SGDSave up to $3,796 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
1.00ct Oval
$1,567 SGD