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1.36ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6505419822

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505419822

Diamond specifications and retailer prices

From $2,880 SGD
As of November 5, 2026
Save $2,354 SGD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,263 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.36ct natural round diamond

This 1.36ct 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 6505419822. Listed at 10 retailers as of November 4, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.36
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505419822
Dimensions7.07 × 7.02 × 4.39 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.07 mm7.02 mm1.36 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505419822
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

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: $3,712 SGD|Low: $2,880 SGD|High: $5,312 SGD|Avg: $3,764 SGD|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$2,880 SGD
Retailer 3$3,237 SGD
Retailer 2$3,656 SGD
Retailer 1$3,712 SGD
Retailer 4$5,234 SGD

43 data points across 5 retailers

10 retailers$2,880 SGD to $5,234 SGD

A
Cheapest Retailer
-
$2,880 SGD
Retailer 2
-
$2,995 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$2,995 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,134 SGD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$3,237 SGD
View
Retailer 6
-
$3,456 SGD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$3,656 SGD
View
B+
Retailer 8
-
$3,712 SGD
View
B
Retailer 9
-
$5,234 SGD
View
Most Expensive
NZ Jewellers
779d65d9-6043-4fe4-9233-2c5cff55a626 · Sep 28
$6,263 SGD
$4,903 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $2,880 SGDSave up to $2,354 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
1.36ct Round
$2,880 SGD