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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6561163484

Certificate GIA 6561163484

Diamond specifications and retailer prices

From $5,587 NZD
HK$24,600 HKD
As of November 1, 2026
Save $6,780 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,881 NZD at NZ Jewellers · As of October 17, 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 6561163484. Listed at 17 retailers as of November 1, 2026, with a 121% 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
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561163484
Dimensions6.92 × 6.97 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.92 mm6.97 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6561163484
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: $12,881 NZD|Low: $5,539 NZD|High: $13,105 NZD|Avg: $7,818 NZD|-1.7%
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
November 1, 2026
Retailer 12$5,587 NZD
Retailer 2$5,615 NZD
Retailer 15$6,379 NZD
Retailer 6$6,826 NZD
Retailer 4$7,035 NZD
Retailer 5$7,035 NZD
Retailer 8$7,115 NZD
Retailer 11$7,394 NZD
Retailer 14$7,394 NZD
Retailer 3$7,832 NZD
Retailer 10$7,935 NZD
Retailer 7$8,023 NZD
Retailer 13$8,531 NZD
Retailer 9$12,366 NZD
NZ Jewellers$12,881 NZD

28 data points across 15 retailers

17 retailers$5,587 NZD to $12,366 NZD

A
Cheapest Retailer
-
$5,587 NZD
HK$24,600 HKD
A
Retailer 2
-
$5,615 NZD
₹301,408 INR
View
A
Retailer 3
-
$6,200 NZD
A$5,376 AUD
View
A
Retailer 4
-
$6,379 NZD
$3,595 USD
View
B+
Retailer 5
-
$6,826 NZD
$3,847 USD
View
Final sale: no returns
Retailer 6
-
$7,035 NZD
SGD 5,358 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$7,035 NZD
$3,965 USD
View
A
Retailer 8
-
$7,115 NZD
£3,157 GBP
View
B+
Retailer 9
-
$7,321 NZD
A$6,348 AUD
View
A
Retailer 10
-
$7,394 NZD
$4,167 USD
View
Retailer 11
-
$7,394 NZD
$4,167 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,832 NZD
$4,414 USD
View
B+
Retailer 13
-
$7,935 NZD
€4,259 EUR
View
Retailer 14
-
$8,023 NZD
A$6,957 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$8,531 NZD
$4,808 USD
View
B
Retailer 16
-
$12,366 NZD
£5,488 GBP
View
Most Expensive
NZ Jewellers
9192d8f8-286b-4baf-beb4-2fa3f829bdf3 · Oct 17
$12,881 NZD
$7,260 USD
View
Price last confirmed 16 days ago
16 more retailers have this diamond
Prices start from $5,587 NZDSave up to $6,780 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
$5,587 NZD