CaratHunter
Plans
Oval|Natural|GIA

1.00ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 2557737366

Certificate GIA 2557737366

Diamond specifications and retailer prices

From $2,253 AUD
SGD 2,139 SGD
As of October 31, 2026
Save $4,063 AUD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,317 AUD 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 30, 2026, with prices from $2,253 to $6,317, a $4,063 spread on the same certified stone. NZ Jewellers lists it at $6,317. 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 31
Current: $6,317 AUD|Low: $2,253 AUD|High: $6,811 AUD|Avg: $3,423 AUD|-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$2,253 AUD
Retailer 10$2,390 AUD
Retailer 5$2,534 AUD
Retailer 8$2,709 AUD
Retailer 2$2,722 AUD
Retailer 4$2,859 AUD
Retailer 7$2,990 AUD
Retailer 3$3,313 AUD
Retailer 11$3,565 AUD
Retailer 6$4,562 AUD
NZ Jewellers$6,317 AUD

34 data points across 11 retailers

11 retailers$2,253 AUD to $6,317 AUD

A
Cheapest Retailer
-
$2,253 AUD
SGD 2,139 SGD
A
Retailer 2
-
$2,390 AUD
$1,679 USD
View
Final sale: no returns
A
Retailer 3
-
$2,534 AUD
£1,401 GBP
View
A
Retailer 4
-
$2,709 AUD
$1,903 USD
View
A
Retailer 5
-
$2,722 AUD
$1,912 USD
View
A
Retailer 6
-
$2,859 AUD
£1,582 GBP
View
Retailer 7
-
$2,890 AUD
$2,030 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$2,990 AUD
$2,100 USD
View
Retailer 9
-
$3,565 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$4,562 AUD
£2,523 GBP
View
Most Expensive
B
NZ Jewellers
bfc39d84-7378-4c6b-94f4-80733e981a3e · Oct 30
$6,317 AUD
$4,437 USD
View
10 more retailers have this diamond
Prices start from $2,253 AUDSave up to $4,063 AUD

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
$2,253 AUD