Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558130488

Certificate GIA 7558130488

Diamond specifications and retailer prices

From $4,400 USD
As of October 30, 2026
Save $4,484 USD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,316 USD at NZ Jewellers · As of September 10, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558130488. Listed at 16 retailers as of October 26, 2026, with a 102% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.30
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558130488
Dimensions6.92 × 6.97 × 4.39 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Knot, Feather, Needle, Indented Natural
Top View
6.92 mm6.97 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558130488
Side View
Table 58.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 63.2%

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 30
Current: $5,354 USD|Low: $4,400 USD|High: $9,331 USD|Avg: $5,836 USD|+1.0%
Retailer 1
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
November 1, 2026
Retailer 3$4,400 USD
Retailer 7$4,730 USD
Retailer 16$4,745 USD
Retailer 5$4,998 USD
Retailer 6$5,046 USD
Retailer 12$5,065 USD
Retailer 8$5,089 USD
Retailer 13$5,300 USD
Retailer 1$5,354 USD
Retailer 15$5,579 USD
Retailer 14$5,889 USD
Retailer 10$6,015 USD
Retailer 2$6,146 USD
Retailer 9$6,847 USD
Retailer 4$8,148 USD
Retailer 11$8,884 USD

37 data points across 16 retailers

16 retailers$4,400 USD to $8,884 USD

A
Cheapest Retailer
-
$4,400 USD
B+
Retailer 2
-
$4,745 USD
View
B+
Retailer 3
-
$4,998 USD
View
Retailer 4
-
$5,046 USD
View
Price last confirmed 50 days ago
B+
Retailer 5
-
$5,065 USD
CA$7,035 CAD
View
B+
Retailer 6
-
$5,300 USD
View
B+
Retailer 7
-
$5,354 USD
£4,216 GBP
View
Retailer 8
-
$5,579 USD
A$8,583 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
$5,823 USD
View
Price last confirmed 55 days ago
B
Retailer 10
-
$5,889 USD
View
B+
Retailer 11
-
$6,015 USD
€5,729 EUR
View
Retailer 12
-
$6,146 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$6,847 USD
ZAR 110,612 ZAR
View
B
Retailer 14
-
$8,148 USD
View
B
Retailer 15
-
$8,884 USD
£6,995 GBP
View
Most Expensive
NZ Jewellers
ace354a6-b53f-42f0-9e5d-5103f7c77a96 · Sep 10
$9,316 USD
View
Price last confirmed 51 days ago
15 more retailers have this diamond
Prices start from $4,400 USDSave up to $4,484 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
1.30ct Round
$4,400 USD