Oval|Natural|GIA

1.23ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 7558078140

Certificate GIA 7558078140

Diamond specifications and retailer prices

From $2,807 USD
As of November 4, 2026
Save $2,491 USD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,298 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural oval diamond

This 1.23ct 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 7558078140. Listed at 6 retailers as of November 4, 2026, with prices from $2,807 to $5,298, a $2,491 spread on the same certified stone. NZ Jewellers lists it at $5,298. 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

1.23
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7558078140
Dimensions8.44 × 5.85 × 3.79 mm
L/W Ratio1.44
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
8.44 mm5.85 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7558078140
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.7%

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 4
Current: $5,298 USD|Low: $2,505 USD|High: $6,102 USD|Avg: $4,072 USD|-13.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5$2,807 USD
Retailer 4$2,952 USD
Retailer 6$3,454 USD
Retailer 2$3,559 USD
Retailer 3$5,086 USD
NZ Jewellers$5,298 USD

28 data points across 6 retailers

6 retailers$2,807 USD to $5,298 USD

A
Cheapest Retailer
-
$2,807 USD
Final sale: no returns
A
Retailer 2
-
$2,952 USD
View
B+
Retailer 3
-
$3,454 USD
View
B+
Retailer 4
-
$3,559 USD
View
B
Retailer 5
-
$5,086 USD
View
Most Expensive
B
NZ Jewellers
f6a33742-cd44-4298-8f85-7f137b23fb5f · Nov 5
$5,298 USD
View
5 more retailers have this diamond
Prices start from $2,807 USDSave up to $2,491 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
1.23ct Oval
$2,807 USD