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Round|Natural|GIA

1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2566181093

Certificate GIA 2566181093

Diamond specifications and retailer prices

From $3,864 NZD
As of November 5, 2026
Save $2,915 NZD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,779 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2566181093. Listed at 12 retailers as of November 5, 2026, with prices from $3,864 to $6,779, a $2,915 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,779. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566181093
Dimensions6.90 × 4.36 × 4.36 mm
L/W Ratio1.58
Culet sizeNone
Top View
6.90 mm4.36 mm1.29 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566181093
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.9%

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 5
Current: $5,233 NZD|Low: $3,842 NZD|High: $7,117 NZD|Avg: $5,014 NZD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$3,864 NZD
Retailer 2$3,916 NZD
Retailer 9$4,061 NZD
Retailer 8$4,138 NZD
Retailer 4$4,438 NZD
Retailer 11$4,542 NZD
Retailer 10$5,165 NZD
Retailer 7$5,177 NZD
Retailer 1$5,233 NZD
Retailer 5$5,332 NZD
Retailer 3$6,362 NZD
Wholesale Diamonds Direct$6,779 NZD

31 data points across 12 retailers

12 retailers$3,864 NZD to $6,779 NZD

A
Cheapest Retailer
-
$3,864 NZD
A
Retailer 2
-
$3,916 NZD
View
A
Retailer 3
-
$4,061 NZD
View
A
Retailer 4
-
$4,138 NZD
View
A
Retailer 5
-
$4,438 NZD
View
A
Retailer 6
-
$4,542 NZD
View
B+
Retailer 7
-
$5,165 NZD
View
B+
Retailer 8
-
$5,177 NZD
View
B+
Retailer 9
-
$5,233 NZD
View
B+
Retailer 10
-
$5,332 NZD
View
B
Retailer 11
-
$6,362 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
636181062 · Nov 6
$6,779 NZD
$3,758 USD
View
11 more retailers have this diamond
Prices start from $3,864 NZDSave up to $2,915 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
$3,864 NZD