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Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2546175239

Certificate GIA 2546175239

Diamond specifications and retailer prices

From $2,604 SGD
As of November 5, 2026
Save $2,385 SGD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,578 SGD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2546175239. Listed at 10 retailers as of November 4, 2026, with a 92% 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

1.30
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2546175239
Dimensions6.94 × 6.89 × 4.32 mm
L/W Ratio1.01
Star length50%
Top View
6.94 mm6.89 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546175239
Side View
Table 59.0%Crown 36°GirdlePavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $3,276 SGD|Low: $2,604 SGD|High: $5,680 SGD|Avg: $3,994 SGD|-14.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$2,604 SGD
Retailer 5$3,271 SGD
Retailer 1$3,276 SGD
Retailer 2$3,654 SGD
Retailer 6$3,854 SGD
Retailer 3$4,989 SGD

38 data points across 6 retailers

10 retailers$2,604 SGD to $4,989 SGD

A
Cheapest Retailer
-
$2,604 SGD
Retailer 2
-
$3,146 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$3,146 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$3,271 SGD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$3,276 SGD
View
Retailer 6
-
$3,292 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$3,630 SGD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$3,654 SGD
View
B
Retailer 9
-
$4,989 SGD
View
Most Expensive
NZ Jewellers
5673da98-dce3-4db0-af28-f02d05cbee02 · Sep 26
$6,578 SGD
$5,150 USD
View
Price last confirmed 40 days ago
9 more retailers have this diamond
Prices start from $2,604 SGDSave up to $2,385 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
1.30ct Round
$2,604 SGD