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Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2546854720

Certificate GIA 2546854720

Diamond specifications and retailer prices

From $4,198 SGD
As of November 6, 2026
Save $3,120 SGD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,645 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct 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 2546854720. Listed at 11 retailers as of November 4, 2026, with a 74% 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

1.40
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2546854720
Dimensions7.07 × 7.10 × 4.45 mm
L/W Ratio1.00
Star length50%
Top View
7.07 mm7.10 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546854720
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,198 SGD|Low: $4,196 SGD|High: $7,426 SGD|Avg: $5,134 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$4,198 SGD
Retailer 6$4,221 SGD
Retailer 2$4,513 SGD
Retailer 4$5,104 SGD
Retailer 3$5,356 SGD
Retailer 5$7,319 SGD

39 data points across 6 retailers

11 retailers$4,198 SGD to $7,319 SGD

B+
Cheapest Retailer
-
$4,198 SGD
B+
Retailer 2
-
$4,221 SGD
View
Retailer 3
-
$4,388 SGD
View
Price last confirmed 29 days ago
Retailer 4
-
$4,388 SGD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
$4,513 SGD
View
Retailer 6
-
$4,556 SGD
View
Price last confirmed 38 days ago
Retailer 7
-
$5,063 SGD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$5,104 SGD
View
B
Retailer 9
-
$5,356 SGD
View
B
Retailer 10
-
$7,319 SGD
View
Most Expensive
NZ Jewellers
07d0b952-9abc-42a1-8a46-f01b8812d10e · Sep 28
$7,645 SGD
$5,985 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from $4,198 SGDSave up to $3,120 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.

B+
1.40ct Round
$4,198 SGD