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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558130488

Certificate GIA 7558130488

Diamond specifications and retailer prices

From $7,820 NZD
$4,400 USD
As of November 1, 2026
Save $7,948 NZD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $16,557 NZD 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 November 1, 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
Colour
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: Nov 1
Current: $9,595 NZD|Low: $7,820 NZD|High: $16,583 NZD|Avg: $10,386 NZD|+1.8%
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 2, 2026
Retailer 3$7,820 NZD
Retailer 7$8,407 NZD
Retailer 16$8,433 NZD
Retailer 5$8,884 NZD
Retailer 6$8,968 NZD
Retailer 12$9,002 NZD
Retailer 8$9,045 NZD
Retailer 13$9,420 NZD
Retailer 1$9,595 NZD
Retailer 15$9,916 NZD
Retailer 14$10,467 NZD
Retailer 9$10,641 NZD
Retailer 2$10,923 NZD
Retailer 11$12,169 NZD
Retailer 4$14,482 NZD
Retailer 10$15,769 NZD

36 data points across 16 retailers

16 retailers$7,820 NZD to $15,769 NZD

A
Cheapest Retailer
-
$7,820 NZD
$4,400 USD
B+
Retailer 2
-
$8,433 NZD
$4,745 USD
View
B+
Retailer 3
-
$8,884 NZD
$4,998 USD
View
Retailer 4
-
$8,968 NZD
$5,046 USD
View
Price last confirmed 52 days ago
B+
Retailer 5
-
$9,002 NZD
CA$7,035 CAD
View
B+
Retailer 6
-
$9,420 NZD
$5,300 USD
View
B+
Retailer 7
-
$9,595 NZD
£4,251 GBP
View
Retailer 8
-
$9,916 NZD
A$8,583 AUD
View
Price last confirmed 24 days ago
Retailer 9
-
$10,349 NZD
$5,823 USD
View
Price last confirmed 57 days ago
B
Retailer 10
-
$10,467 NZD
$5,889 USD
View
B+
Retailer 11
-
$10,641 NZD
€5,702 EUR
View
Retailer 12
-
$10,923 NZD
$6,146 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$12,169 NZD
ZAR 110,612 ZAR
View
B
Retailer 14
-
$14,482 NZD
$8,148 USD
View
B
Retailer 15
-
$15,769 NZD
£6,986 GBP
View
Most Expensive
NZ Jewellers
ace354a6-b53f-42f0-9e5d-5103f7c77a96 · Sep 10
$16,557 NZD
$9,316 USD
View
Price last confirmed 53 days ago
15 more retailers have this diamond
Prices start from $7,820 NZDSave up to $7,948 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
1.30ct Round
$7,820 NZD