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Round|Natural|GIA

1.29ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6541459999

Certificate GIA 6541459999

Diamond specifications and retailer prices

From $2,923 SGD
As of November 6, 2026
Save $3,699 SGD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,622 SGD 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 $2,923 to $6,622, a $3,699 spread on the same certified stone. NZ Jewellers lists it at $6,622. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,622 SGD|Low: $2,435 SGD|High: $6,622 SGD|Avg: $4,190 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$2,923 SGD
Retailer 6$3,090 SGD
Retailer 3$3,710 SGD
Retailer 2$3,727 SGD
Retailer 7$3,867 SGD
Retailer 4$5,534 SGD
NZ Jewellers$6,622 SGD

23 data points across 7 retailers

6 retailers$2,923 SGD to $6,622 SGD

A
Cheapest Retailer
-
$2,923 SGD
Final sale: no returns
A
Retailer 2
-
$3,090 SGD
View
B+
Retailer 3
-
$3,710 SGD
View
B+
Retailer 4
-
$3,727 SGD
View
B
Retailer 5
-
$5,534 SGD
View
Most Expensive
B
NZ Jewellers
3da6b020-a1e1-470d-8323-b80948839800 · Nov 5
$6,622 SGD
$5,167 USD
View
5 more retailers have this diamond
Prices start from $2,923 SGDSave up to $3,699 SGD

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
$2,923 SGD