Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2557737366

Certificate GIA 2557737366

Diamond specifications and retailer prices

From $1,583 USD
SGD 2,139 SGD
As of October 29, 2026
Save $2,854 USD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,437 USD 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 $1,583 to $4,437, a $2,854 spread on the same certified stone. NZ Jewellers lists it at $4,437. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,437 USD|Low: $1,583 USD|High: $4,784 USD|Avg: $2,368 USD|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 9$1,583 USD
Retailer 11$1,679 USD
Retailer 2$1,780 USD
Retailer 8$1,903 USD
Retailer 10$1,940 USD
Retailer 4$2,030 USD
Retailer 5$2,039 USD
Retailer 7$2,100 USD
Retailer 3$2,327 USD
Retailer 12$2,504 USD
Retailer 6$3,204 USD
NZ Jewellers$4,437 USD

34 data points across 12 retailers

11 retailers$1,583 USD to $4,437 USD

A
Cheapest Retailer
-
$1,583 USD
SGD 2,139 SGD
A
Retailer 2
-
$1,679 USD
View
Final sale: no returns
A
Retailer 3
-
$1,780 USD
£1,401 GBP
View
A
Retailer 4
-
$1,903 USD
View
A
Retailer 5
-
$1,940 USD
View
Retailer 6
-
$2,030 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$2,039 USD
£1,606 GBP
View
B+
Retailer 8
-
$2,100 USD
View
Retailer 9
-
$2,504 USD
A$3,853 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$3,204 USD
£2,523 GBP
View
Most Expensive
B
NZ Jewellers
bfc39d84-7378-4c6b-94f4-80733e981a3e · Oct 30
$4,437 USD
View
10 more retailers have this diamond
Prices start from $1,583 USDSave up to $2,854 USD

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
$1,583 USD