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Oval|Natural|GIA

1.00ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1559005462

Certificate GIA 1559005462

Diamond specifications and retailer prices

From $2,995 SGD
HK$18,300 HKD
As of November 1, 2026
Save $3,870 SGD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,865 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559005462. Listed at 24 retailers as of October 30, 2026, with prices from $2,995 to $6,865, a $3,870 spread on the same certified stone. NZ Jewellers lists it at $6,865. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559005462
Dimensions7.78 × 5.60 × 3.52 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity, Cloud, Needle
Top View
7.78 mm5.60 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559005462
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,865 SGD|Low: $2,995 SGD|High: $6,865 SGD|Avg: $4,422 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 16$2,995 SGD
Retailer 2$3,152 SGD
Retailer 9$3,497 SGD
Retailer 7$3,576 SGD
Retailer 11$3,636 SGD
Retailer 6$3,643 SGD
Retailer 12$3,844 SGD
Retailer 5$3,940 SGD
Retailer 19$3,940 SGD
Retailer 14$4,083 SGD
Retailer 3$4,092 SGD
Retailer 8$4,123 SGD
Retailer 10$4,270 SGD
Retailer 4$4,546 SGD
Retailer 17$4,614 SGD
Retailer 15$4,843 SGD
Retailer 13$6,590 SGD
Retailer 18$6,673 SGD
NZ Jewellers$6,865 SGD

21 data points across 19 retailers

24 retailers$2,995 SGD to $6,865 SGD

A
Cheapest Retailer
-
$2,995 SGD
HK$18,300 HKD
A
Retailer 2
-
$3,152 SGD
₹234,840 INR
View
A
Retailer 3
-
$3,497 SGD
View
A
Retailer 4
-
$3,576 SGD
$2,797 USD
View
A
Retailer 5
-
$3,636 SGD
$2,844 USD
View
Final sale: no returns
A
Retailer 6
-
$3,643 SGD
$2,850 USD
View
B+
Retailer 7
-
$3,700 SGD
$2,894 USD
View
B+
Retailer 8
-
$3,701 SGD
$2,895 USD
View
A
Retailer 9
-
$3,844 SGD
£2,367 GBP
View
B+
Retailer 10
-
$3,940 SGD
$3,082 USD
View
B+
Retailer 11
-
$3,940 SGD
$3,082 USD
View
B+
Retailer 12
-
$3,945 SGD
A$4,748 AUD
View
B+
Retailer 13
-
$4,083 SGD
£2,515 GBP
View
B+
Retailer 14
-
$4,092 SGD
$3,201 USD
View
B+
Retailer 15
-
$4,123 SGD
$3,225 USD
View
B+
Retailer 16
-
$4,172 SGD
View
B+
Retailer 17
-
$4,270 SGD
$3,340 USD
View
Retailer 18
-
$4,276 SGD
A$5,146 AUD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
$4,546 SGD
$3,556 USD
View
B+
Retailer 20
-
$4,614 SGD
€3,437 EUR
View
B+
Retailer 21
-
$4,843 SGD
ZAR 61,206 ZAR
View
B
Retailer 22
-
$6,590 SGD
£4,059 GBP
View
B
Retailer 23
-
$6,673 SGD
£4,110 GBP
View
Most Expensive
B
NZ Jewellers
bbb670dc-aae2-4de4-9dbc-6d534ec44586 · Oct 30
$6,865 SGD
$5,370 USD
View
23 more retailers have this diamond
Prices start from $2,995 SGDSave up to $3,870 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
$2,995 SGD