Round|Natural|GIA

1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541459999

Certificate GIA 6541459999

Diamond specifications and retailer prices

From $2,281 USD
As of November 4, 2026
Save $2,886 USD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,167 USD 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 4, 2026, with prices from $2,281 to $5,167, a $2,886 spread on the same certified stone. NZ Jewellers lists it at $5,167. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,167 USD|Low: $1,900 USD|High: $5,167 USD|Avg: $3,269 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$2,281 USD
Retailer 6$2,411 USD
Retailer 3$2,895 USD
Retailer 2$2,908 USD
Retailer 7$3,017 USD
Retailer 4$4,318 USD
NZ Jewellers$5,167 USD

23 data points across 7 retailers

6 retailers$2,281 USD to $5,167 USD

A
Cheapest Retailer
-
$2,281 USD
Final sale: no returns
A
Retailer 2
-
$2,411 USD
View
B+
Retailer 3
-
$2,895 USD
View
B+
Retailer 4
-
$2,908 USD
View
B
Retailer 5
-
$4,318 USD
View
Most Expensive
B
NZ Jewellers
3da6b020-a1e1-470d-8323-b80948839800 · Nov 5
$5,167 USD
View
5 more retailers have this diamond
Prices start from $2,281 USDSave up to $2,886 USD

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
$2,281 USD