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Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2557737366

Certificate GIA 2557737366

Diamond specifications and retailer prices

From $2,024 SGD
As of October 29, 2026
Save $3,649 SGD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,672 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 H 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 2557737366. Listed at 11 retailers as of October 29, 2026, with prices from $2,024 to $5,672, a $3,649 spread on the same certified stone. NZ Jewellers lists it at $5,672. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2557737366
Dimensions5.52 × 8.06 × 3.47 mm
L/W Ratio1.46
Top View
5.52 mm8.06 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557737366
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.9%

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: Oct 29
Current: $5,672 SGD|Low: $2,024 SGD|High: $6,116 SGD|Avg: $3,074 SGD|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$2,024 SGD
Retailer 10$2,146 SGD
Retailer 5$2,275 SGD
Retailer 8$2,433 SGD
Retailer 2$2,444 SGD
Retailer 4$2,568 SGD
Retailer 7$2,685 SGD
Retailer 3$2,975 SGD
Retailer 11$3,201 SGD
Retailer 6$4,096 SGD
NZ Jewellers$5,672 SGD

34 data points across 11 retailers

11 retailers$2,024 SGD to $5,672 SGD

A
Cheapest Retailer
-
$2,024 SGD
A
Retailer 2
-
$2,146 SGD
$1,679 USD
View
Final sale: no returns
A
Retailer 3
-
$2,275 SGD
£1,401 GBP
View
A
Retailer 4
-
$2,433 SGD
$1,903 USD
View
A
Retailer 5
-
$2,444 SGD
$1,912 USD
View
A
Retailer 6
-
$2,568 SGD
£1,582 GBP
View
Retailer 7
-
$2,595 SGD
$2,030 USD
View
Price last confirmed 36 days ago
B+
Retailer 8
-
$2,685 SGD
$2,100 USD
View
Retailer 9
-
$3,201 SGD
A$3,853 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$4,096 SGD
£2,523 GBP
View
Most Expensive
B
NZ Jewellers
bfc39d84-7378-4c6b-94f4-80733e981a3e · Oct 30
$5,672 SGD
$4,437 USD
View
10 more retailers have this diamond
Prices start from $2,024 SGDSave up to $3,649 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
$2,024 SGD