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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 $2,745 SGD
As of November 5, 2026
Save $2,071 SGD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,816 SGD 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 $2,745 to $4,816, a $2,071 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,816. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,718 SGD|Low: $2,730 SGD|High: $5,056 SGD|Avg: $3,562 SGD|-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$2,745 SGD
Retailer 2$2,782 SGD
Retailer 9$2,885 SGD
Retailer 8$2,940 SGD
Retailer 4$3,153 SGD
Retailer 11$3,227 SGD
Retailer 10$3,669 SGD
Retailer 7$3,678 SGD
Retailer 1$3,718 SGD
Retailer 5$3,788 SGD
Retailer 3$4,520 SGD
Wholesale Diamonds Direct$4,816 SGD

31 data points across 12 retailers

12 retailers$2,745 SGD to $4,816 SGD

A
Cheapest Retailer
-
$2,745 SGD
A
Retailer 2
-
$2,782 SGD
View
A
Retailer 3
-
$2,885 SGD
View
A
Retailer 4
-
$2,940 SGD
View
A
Retailer 5
-
$3,153 SGD
View
A
Retailer 6
-
$3,227 SGD
View
B+
Retailer 7
-
$3,669 SGD
View
B+
Retailer 8
-
$3,678 SGD
View
B+
Retailer 9
-
$3,718 SGD
View
B+
Retailer 10
-
$3,788 SGD
View
B
Retailer 11
-
$4,520 SGD
View
Most Expensive
B
Wholesale Diamonds Direct
636181062 · Nov 6
$4,816 SGD
$3,758 USD
View
11 more retailers have this diamond
Prices start from $2,745 SGDSave up to $2,071 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
$2,745 SGD