Oval|Natural|GIA

1.00ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 2558391525

Certificate GIA 2558391525

Diamond specifications and retailer prices

From $2,506 USD
As of October 28, 2026
Save $3,416 USD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,922 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 G 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 2558391525. Listed at 18 retailers as of October 28, 2026, with prices from $2,506 to $5,922, a $3,416 spread on the same certified stone. NZ Jewellers lists it at $5,922. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.71°
OriginNatural
Grading LabGIA
CertificateGIA 2558391525
Dimensions8.37 × 5.38 × 3.44 mm
L/W Ratio1.56
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
8.37 mm5.38 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558391525
Side View
Table 53.0%Crown 35.71°GirdlePavilionCulet: NoneDepth 63.9%

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 28
Current: $5,922 USD|Low: $2,409 USD|High: $5,922 USD|Avg: $3,213 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 1, 2026
Retailer 4$2,506 USD
Retailer 5$2,537 USD
Retailer 3$2,611 USD
Retailer 8$2,614 USD
Retailer 2$2,763 USD
Retailer 7$2,775 USD
Retailer 16$2,833 USD
Retailer 18$2,833 USD
Retailer 17$2,942 USD
Retailer 15$2,975 USD
Retailer 12$3,028 USD
Retailer 10$3,191 USD
Retailer 6$3,227 USD
Retailer 9$3,268 USD
Retailer 14$3,316 USD
Retailer 13$3,482 USD
Retailer 11$4,963 USD
NZ Jewellers$5,922 USD

32 data points across 18 retailers

18 retailers$2,506 USD to $5,922 USD

A
Cheapest Retailer
-
$2,506 USD
A
Retailer 2
-
$2,537 USD
View
B+
Retailer 3
-
$2,611 USD
View
B+
Retailer 4
-
$2,614 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,763 USD
£2,176 GBP
View
B+
Retailer 6
-
$2,775 USD
View
B+
Retailer 7
-
$2,833 USD
View
B+
Retailer 8
-
$2,833 USD
View
B+
Retailer 9
-
$2,942 USD
View
B+
Retailer 10
-
$2,975 USD
View
B+
Retailer 11
-
$3,028 USD
£2,384 GBP
View
Retailer 12
-
$3,191 USD
A$4,909 AUD
View
Price last confirmed 24 days ago
B
Retailer 13
-
$3,227 USD
View
B
Retailer 14
-
$3,268 USD
View
B
Retailer 15
-
$3,316 USD
€3,158 EUR
View
B+
Retailer 16
-
$3,482 USD
ZAR 56,250 ZAR
View
B
Retailer 17
-
$4,963 USD
£3,908 GBP
View
Most Expensive
B
NZ Jewellers
e5cfa52c-735d-43c2-ba40-497b118d569b · Oct 30
$5,922 USD
View
17 more retailers have this diamond
Prices start from $2,506 USDSave up to $3,416 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
$2,506 USD