Oval|Natural|GIA

1.00ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2566135453

Certificate GIA 2566135453

Diamond specifications and retailer prices

From $3,321 NZD
As of November 6, 2026
Save $5,170 NZD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,491 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566135453. Listed at 18 retailers as of November 5, 2026, with prices from $3,321 to $8,491, a $5,170 spread on the same certified stone. NZ Jewellers lists it at $8,491. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566135453
Dimensions7.94 × 5.63 × 3.42 mm
L/W Ratio1.41
Girdle conditionSlightly Thick to Very Thick
Key to symbols
Twinning Wisp, Knot, Feather, Crystal, Needle
Top View
7.94 mm5.63 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566135453
Side View
Table 62.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 60.7%

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 6
Current: $8,491 NZD|Low: $3,059 NZD|High: $8,491 NZD|Avg: $4,521 NZD
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
November 6, 2026
Retailer 4$3,321 NZD
Retailer 3$3,357 NZD
Retailer 6$3,375 NZD
Retailer 16$3,397 NZD
Retailer 12$3,680 NZD
Retailer 13$3,850 NZD
Retailer 2$3,994 NZD
Retailer 8$4,019 NZD
Retailer 18$4,077 NZD
Retailer 14$4,246 NZD
Retailer 7$4,311 NZD
Retailer 17$4,311 NZD
Retailer 9$4,456 NZD
Retailer 11$4,456 NZD
Retailer 10$4,724 NZD
Retailer 5$5,893 NZD
Retailer 15$7,115 NZD
NZ Jewellers$8,491 NZD

37 data points across 18 retailers

18 retailers$3,321 NZD to $8,491 NZD

A
Cheapest Retailer
-
$3,321 NZD
A
Retailer 2
-
$3,357 NZD
View
A
Retailer 3
-
$3,375 NZD
View
A
Retailer 4
-
$3,397 NZD
View
Final sale: no returns
A
Retailer 5
-
$3,680 NZD
View
A
Retailer 6
-
$3,850 NZD
View
B+
Retailer 7
-
$3,994 NZD
View
B+
Retailer 8
-
$4,019 NZD
View
B+
Retailer 9
-
$4,077 NZD
View
B+
Retailer 10
-
$4,246 NZD
View
B+
Retailer 11
-
$4,311 NZD
View
B+
Retailer 12
-
$4,311 NZD
View
B+
Retailer 13
-
$4,456 NZD
View
B+
Retailer 14
-
$4,456 NZD
View
B+
Retailer 15
-
$4,724 NZD
View
B
Retailer 16
-
$5,893 NZD
View
B
Retailer 17
-
$7,115 NZD
View
Most Expensive
B
NZ Jewellers
0b1de0a0-c29c-4937-aed3-ece1a3d28494 · Nov 5
$8,491 NZD
$4,707 USD
View
17 more retailers have this diamond
Prices start from $3,321 NZDSave up to $5,170 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
$3,321 NZD