CaratHunter
Plans
Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2516009731

Certificate GIA 2516009731

Diamond specifications and retailer prices

From $4,400 SGD
As of November 1, 2026
Save $5,411 SGD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,811 SGD at NZ Jewellers · As of November 5, 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 2516009731. Listed at 14 retailers as of November 1, 2026, with prices from $4,400 to $9,811, a $5,411 spread on the same certified stone. NZ Jewellers lists it at $9,811. 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 angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2516009731
Dimensions7.21 × 7.15 × 4.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.21 mm7.15 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516009731
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $9,811 SGD|Low: $4,400 SGD|High: $9,811 SGD|Avg: $6,615 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$4,400 SGD
Retailer 9$4,867 SGD
Retailer 8$5,102 SGD
Retailer 2$5,606 SGD
Retailer 3$5,669 SGD
Retailer 5$6,323 SGD
Retailer 4$6,871 SGD
Retailer 6$8,944 SGD
NZ Jewellers$9,811 SGD

43 data points across 9 retailers

14 retailers$4,400 SGD to $9,811 SGD

B+
Cheapest Retailer
-
$4,400 SGD
B+
Retailer 2
-
$4,488 SGD
View
B
Retailer 3
-
$4,791 SGD
View
B
Retailer 4
-
$4,867 SGD
View
Retailer 5
-
$5,102 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,102 SGD
View
B+
Retailer 7
-
$5,102 SGD
View
B
Retailer 8
-
$5,606 SGD
View
B
Retailer 9
-
$5,669 SGD
View
B
Retailer 10
-
$5,886 SGD
View
B
Retailer 11
-
$6,323 SGD
View
B
Retailer 12
-
$6,871 SGD
View
B
Retailer 13
-
$8,944 SGD
View
Most Expensive
B
NZ Jewellers
521a662e-9b5b-4efb-977f-dac68c92a4a0 · Nov 5
$9,811 SGD
$7,681 USD
View
13 more retailers have this diamond
Prices start from $4,400 SGDSave up to $5,411 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
$4,400 SGD