Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7551404033

Certificate GIA 7551404033

Diamond specifications and retailer prices

From $5,435 NZD
As of November 6, 2026
Save $7,097 NZD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,532 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 7551404033. Listed at 19 retailers as of November 5, 2026, with prices from $5,435 to $12,532, a $7,097 spread on the same certified stone. NZ Jewellers lists it at $12,532. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551404033
Dimensions6.94 × 6.97 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.94 mm6.97 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551404033
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 6
Current: $12,532 NZD|Low: $5,397 NZD|High: $12,725 NZD|Avg: $7,874 NZD|-1.5%
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
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 11$5,435 NZD
Retailer 16$6,061 NZD
Retailer 5$6,330 NZD
Retailer 9$6,444 NZD
Retailer 6$6,638 NZD
Retailer 14$6,864 NZD
Retailer 10$7,084 NZD
Retailer 4$7,194 NZD
Retailer 7$7,194 NZD
Retailer 2$7,219 NZD
Retailer 13$7,457 NZD
Retailer 12$7,694 NZD
Retailer 15$8,006 NZD
Retailer 3$8,224 NZD
Retailer 18$8,300 NZD
Retailer 17$8,780 NZD
Retailer 8$11,846 NZD
NZ Jewellers$12,532 NZD

25 data points across 18 retailers

19 retailers$5,435 NZD to $12,532 NZD

A
Cheapest Retailer
-
$5,435 NZD
A
Retailer 2
-
$6,061 NZD
View
A
Retailer 3
-
$6,330 NZD
View
A
Retailer 4
-
$6,444 NZD
View
B+
Retailer 5
-
$6,638 NZD
View
Final sale: no returns
B+
Retailer 6
-
$6,864 NZD
View
Retailer 7
-
$7,084 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$7,194 NZD
View
B+
Retailer 9
-
$7,194 NZD
View
B+
Retailer 10
-
$7,219 NZD
View
B+
Retailer 11
-
$7,457 NZD
View
Retailer 12
-
$7,645 NZD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
$7,694 NZD
View
B+
Retailer 14
-
$8,006 NZD
View
B+
Retailer 15
-
$8,224 NZD
View
B+
Retailer 16
-
$8,300 NZD
View
B+
Retailer 17
-
$8,780 NZD
View
B
Retailer 18
-
$11,846 NZD
View
Most Expensive
B
NZ Jewellers
8b23a696-8712-4267-9c29-99c8d121a534 · Nov 5
$12,532 NZD
$6,947 USD
View
18 more retailers have this diamond
Prices start from $5,435 NZDSave up to $7,097 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
$5,435 NZD