Round|Natural|GIA

1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541459999

Certificate GIA 6541459999

Diamond specifications and retailer prices

From $4,115 NZD
As of November 6, 2026
Save $5,206 NZD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,321 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541459999. Listed at 6 retailers as of November 5, 2026, with prices from $4,115 to $9,321, a $5,206 spread on the same certified stone. NZ Jewellers lists it at $9,321. 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

1.29
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541459999
Dimensions6.98 × 7.00 × 4.25 mm
L/W Ratio1.00
Star length50%
Top View
6.98 mm7.00 mm1.29 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6541459999
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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: $9,321 NZD|Low: $3,427 NZD|High: $9,321 NZD|Avg: $5,902 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$4,115 NZD
Retailer 6$4,349 NZD
Retailer 3$5,222 NZD
Retailer 2$5,246 NZD
Retailer 7$5,442 NZD
Retailer 4$7,789 NZD
NZ Jewellers$9,321 NZD

22 data points across 7 retailers

6 retailers$4,115 NZD to $9,321 NZD

A
Cheapest Retailer
-
$4,115 NZD
Final sale: no returns
A
Retailer 2
-
$4,349 NZD
View
B+
Retailer 3
-
$5,222 NZD
View
B+
Retailer 4
-
$5,246 NZD
View
B
Retailer 5
-
$7,789 NZD
View
Most Expensive
B
NZ Jewellers
3da6b020-a1e1-470d-8323-b80948839800 · Nov 5
$9,321 NZD
$5,167 USD
View
5 more retailers have this diamond
Prices start from $4,115 NZDSave up to $5,206 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
1.29ct Round
$4,115 NZD