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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6495897334

Certificate GIA 6495897334

Diamond specifications and retailer prices

From $8,336 NZD
As of November 4, 2026
Save $9,310 NZD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,646 NZD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6495897334. Listed at 16 retailers as of November 4, 2026, with prices from $8,336 to $17,646, a $9,310 spread on the same certified stone. NZ Jewellers lists it at $17,646. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6495897334
Dimensions7.05 × 7.00 × 4.26 mm
L/W Ratio1.01
Top View
7.05 mm7.00 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495897334
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $10,123 NZD|Low: $7,353 NZD|High: $15,732 NZD|Avg: $10,990 NZD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5$8,433 NZD
Retailer 7$8,823 NZD
Retailer 8$9,559 NZD
Retailer 1$10,123 NZD
Retailer 6$10,591 NZD
Retailer 3$11,437 NZD
Retailer 2$12,873 NZD
Retailer 4$15,503 NZD

44 data points across 8 retailers

16 retailers$8,336 NZD to $17,646 NZD

B+
Cheapest Retailer
-
$8,336 NZD
B+
Retailer 2
-
$8,433 NZD
View
B
Retailer 3
-
$8,823 NZD
View
Final sale: no returns
B+
Retailer 4
-
$9,454 NZD
View
Retailer 5
-
$9,559 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$9,559 NZD
View
B+
Retailer 7
-
$9,559 NZD
View
B
Retailer 8
-
$10,116 NZD
View
B+
Retailer 9
-
$10,123 NZD
View
Retailer 10
-
$10,591 NZD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$11,029 NZD
View
B
Retailer 12
-
$11,437 NZD
View
Retailer 13
-
$11,637 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$12,873 NZD
View
B
Retailer 15
-
$15,503 NZD
View
Most Expensive
B
NZ Jewellers
2398afd0-7ebc-4eb4-9b25-20f0c5f827fc · Nov 5
$17,646 NZD
$9,782 USD
View
15 more retailers have this diamond
Prices start from $8,336 NZDSave up to $9,310 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.

B+
1.30ct Round
$8,336 NZD