Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1548400629

Certificate GIA 1548400629

Diamond specifications and retailer prices

From $6,658 NZD
As of November 6, 2026
Save $7,894 NZD (54%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $14,552 NZD at NZ Jewellers · As of October 20, 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 1548400629. Listed at 32 retailers as of November 5, 2026, with a 119% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1548400629
Dimensions6.90 × 6.93 × 4.33 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.90 mm6.93 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1548400629
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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 6
Current: $8,146 NZD|Low: $6,402 NZD|High: $13,444 NZD|Avg: $8,508 NZD|-1.2%
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
November 7, 2026
Retailer 3$6,658 NZD
Retailer 12$6,896 NZD
Retailer 2$6,983 NZD
Retailer 5$7,198 NZD
Retailer 11$7,567 NZD
Retailer 6$7,993 NZD
Retailer 13$8,009 NZD
Retailer 1$8,146 NZD
Retailer 4$8,419 NZD
Retailer 9$9,301 NZD
Retailer 7$9,380 NZD
Retailer 8$10,190 NZD
Retailer 10$13,266 NZD

37 data points across 13 retailers

32 retailers$6,658 NZD to $14,552 NZD

A
Cheapest Retailer
-
$6,658 NZD
A
Retailer 2
-
$6,896 NZD
View
B+
Retailer 3
-
$6,983 NZD
View
Final sale: no returns
B+
Retailer 4
-
$7,198 NZD
View
B+
Retailer 5
-
$7,535 NZD
View
Retailer 6
-
$7,567 NZD
View
Price last confirmed 30 days ago
Retailer 7
-
$7,567 NZD
View
Price last confirmed 51 days ago
Retailer 8
-
$7,567 NZD
View
Price last confirmed 9 days ago
Retailer 9
-
$7,567 NZD
View
Price last confirmed 22 days ago
Retailer 10
-
$7,567 NZD
View
Price last confirmed 39 days ago
Retailer 11
-
$7,567 NZD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$7,993 NZD
View
B+
Retailer 13
-
$8,009 NZD
View
Retailer 14
-
$8,009 NZD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$8,146 NZD
View
B+
Retailer 16
-
$8,190 NZD
View
B+
Retailer 17
-
$8,190 NZD
View
Retailer 18
-
$8,419 NZD
View
Price last confirmed 29 days ago
B+
Retailer 19
-
$8,460 NZD
View
Retailer 20
-
$8,731 NZD
View
Price last confirmed 46 days ago
Retailer 21
-
$8,731 NZD
View
Price last confirmed 29 days ago
Retailer 22
-
$8,731 NZD
View
Price last confirmed 17 days ago
B
Retailer 23
-
$8,731 NZD
View
B+
Retailer 24
-
$9,301 NZD
View
B+
Retailer 25
-
$9,380 NZD
View
Retailer 26
-
$9,445 NZD
View
Price last confirmed 23 days ago
B
Retailer 27
-
$10,190 NZD
View
B
Retailer 28
-
$13,266 NZD
View
Retailer 29
-
$14,552 NZD
View
Price last confirmed 49 days ago
B
Retailer 30
-
$14,552 NZD
View
Retailer 31
-
$14,552 NZD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
44391ff5-c097-4bda-8922-567e8b4de253 · Oct 20
$14,552 NZD
$8,067 USD
View
Price last confirmed 17 days ago
31 more retailers have this diamond
Prices start from $6,658 NZDSave up to $7,894 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
$6,658 NZD