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Oval|Natural|GIA

1.00ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2566135453

Certificate GIA 2566135453

Diamond specifications and retailer prices

From $1,841 USD
As of November 6, 2026
Save $2,866 USD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,707 USD 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 $1,841 to $4,707, a $2,866 spread on the same certified stone. NZ Jewellers lists it at $4,707. 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
Color
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: $4,707 USD|Low: $1,696 USD|High: $4,707 USD|Avg: $2,506 USD
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$1,841 USD
Retailer 3$1,861 USD
Retailer 6$1,871 USD
Retailer 16$1,883 USD
Retailer 12$2,040 USD
Retailer 13$2,134 USD
Retailer 2$2,214 USD
Retailer 8$2,228 USD
Retailer 18$2,260 USD
Retailer 14$2,354 USD
Retailer 7$2,390 USD
Retailer 17$2,390 USD
Retailer 9$2,470 USD
Retailer 11$2,470 USD
Retailer 10$2,619 USD
Retailer 5$3,267 USD
Retailer 15$3,944 USD
NZ Jewellers$4,707 USD

37 data points across 18 retailers

18 retailers$1,841 USD to $4,707 USD

A
Cheapest Retailer
-
$1,841 USD
A
Retailer 2
-
$1,861 USD
View
A
Retailer 3
-
$1,871 USD
View
A
Retailer 4
-
$1,883 USD
View
Final sale: no returns
A
Retailer 5
-
$2,040 USD
View
A
Retailer 6
-
$2,134 USD
View
B+
Retailer 7
-
$2,214 USD
View
B+
Retailer 8
-
$2,228 USD
View
B+
Retailer 9
-
$2,260 USD
View
B+
Retailer 10
-
$2,354 USD
View
B+
Retailer 11
-
$2,390 USD
View
B+
Retailer 12
-
$2,390 USD
View
B+
Retailer 13
-
$2,470 USD
View
B+
Retailer 14
-
$2,470 USD
View
B+
Retailer 15
-
$2,619 USD
View
B
Retailer 16
-
$3,267 USD
View
B
Retailer 17
-
$3,944 USD
View
Most Expensive
B
NZ Jewellers
0b1de0a0-c29c-4937-aed3-ece1a3d28494 · Nov 5
$4,707 USD
View
17 more retailers have this diamond
Prices start from $1,841 USDSave up to $2,866 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
$1,841 USD