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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6545016555

Certificate GIA 6545016555

Diamond specifications and retailer prices

From $6,348 NZD
As of November 4, 2026
Save $7,524 NZD (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,872 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 6545016555. Listed at 20 retailers as of November 4, 2026, with prices from $6,348 to $13,872, a $7,524 spread on the same certified stone. NZ Jewellers lists it at $13,872. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
OriginNatural
Grading LabGIA
CertificateGIA 6545016555
Dimensions7.04 × 7.01 × 4.32 mm
L/W Ratio1.00
Star length50%
Top View
7.04 mm7.01 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545016555
Side View
Table 59.0%Crown 32.5°Girdle: ThickPavilionCulet: NoneDepth 61.4%

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: $7,991 NZD|Low: $6,348 NZD|High: $12,833 NZD|Avg: $8,461 NZD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$6,348 NZD
Retailer 6$6,467 NZD
Retailer 2$7,620 NZD
Retailer 1$7,991 NZD
Retailer 7$8,493 NZD
Retailer 4$8,953 NZD
Retailer 3$9,714 NZD
Retailer 5$12,681 NZD

38 data points across 8 retailers

20 retailers$6,348 NZD to $13,872 NZD

A
Cheapest Retailer
-
$6,348 NZD
A
Retailer 2
-
$6,467 NZD
View
A
Retailer 3
-
$6,597 NZD
View
B+
Retailer 4
-
$6,882 NZD
View
B+
Retailer 5
-
$7,214 NZD
View
Retailer 6
-
$7,214 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$7,214 NZD
View
B+
Retailer 8
-
$7,620 NZD
View
B+
Retailer 9
-
$7,672 NZD
View
B+
Retailer 10
-
$7,991 NZD
View
B+
Retailer 11
-
$8,136 NZD
View
B+
Retailer 12
-
$8,136 NZD
View
B+
Retailer 13
-
$8,323 NZD
View
B+
Retailer 14
-
$8,406 NZD
View
Retailer 15
-
$8,493 NZD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$8,953 NZD
View
Retailer 17
-
$9,009 NZD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$9,714 NZD
View
B
Retailer 19
-
$12,681 NZD
View
Most Expensive
B
NZ Jewellers
000d3fba-2572-4293-a4fc-6348af70821a · Nov 5
$13,872 NZD
$7,690 USD
View
19 more retailers have this diamond
Prices start from $6,348 NZDSave up to $7,524 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
$6,348 NZD