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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 $2,808 NZD
SGD 2,139 SGD
As of October 31, 2026
Save $5,064 NZD (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,873 NZD 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 $2,808 to $7,873, a $5,064 spread on the same certified stone. NZ Jewellers lists it at $7,873. 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: $7,873 NZD|Low: $2,808 NZD|High: $8,488 NZD|Avg: $4,264 NZD|-7.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10$2,808 NZD
Retailer 6$2,935 NZD
Retailer 2$3,101 NZD
Retailer 9$3,376 NZD
Retailer 7$3,392 NZD
Retailer 5$3,534 NZD
Retailer 8$3,726 NZD
Retailer 3$4,129 NZD
Retailer 11$4,443 NZD
Retailer 4$5,570 NZD
NZ Jewellers$7,873 NZD

34 data points across 11 retailers

11 retailers$2,808 NZD to $7,873 NZD

A
Cheapest Retailer
-
$2,808 NZD
SGD 2,139 SGD
A
Retailer 2
-
$2,935 NZD
$1,654 USD
View
Final sale: no returns
A
Retailer 3
-
$3,101 NZD
£1,376 GBP
View
A
Retailer 4
-
$3,376 NZD
$1,903 USD
View
A
Retailer 5
-
$3,392 NZD
$1,912 USD
View
A
Retailer 6
-
$3,534 NZD
£1,568 GBP
View
Retailer 7
-
$3,602 NZD
$2,030 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$3,726 NZD
$2,100 USD
View
Retailer 9
-
$4,443 NZD
A$3,853 AUD
View
Price last confirmed 27 days ago
B+
Retailer 10
-
$5,570 NZD
£2,472 GBP
View
Most Expensive
B
NZ Jewellers
bfc39d84-7378-4c6b-94f4-80733e981a3e · Oct 30
$7,873 NZD
$4,437 USD
View
10 more retailers have this diamond
Prices start from $2,808 NZDSave up to $5,064 NZD

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
$2,808 NZD