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Round|Natural|GIA

1.40ct D SI2 Round Natural Diamond

EX • D/SI2

Diamond specifications and retailer prices

From $6,107 SGD
CA$6,635 CAD
As of October 30, 2026
Save $5,591 SGD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,697 SGD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 10 retailers as of October 30, 2026, with prices from $6,107 to $11,697, a $5,591 spread on the same certified stone. NZ Jewellers lists it at $11,697. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions7.12 × 7.15 × 4.48 mm
L/W Ratio1.00
Top View
7.12 mm7.15 mm1.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.8%

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: Oct 30
Current: $11,697 SGD|Low: $6,107 SGD|High: $12,366 SGD|Avg: $7,401 SGD|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$6,107 SGD
Retailer 4$6,336 SGD
Retailer 5$6,336 SGD
Retailer 6$6,336 SGD
Retailer 7$6,389 SGD
Retailer 9$6,667 SGD
Retailer 3$6,749 SGD
Retailer 8$7,099 SGD
Retailer 10$7,311 SGD
NZ Jewellers$11,697 SGD

19 data points across 10 retailers

10 retailers$6,107 SGD to $11,697 SGD

A
Cheapest Retailer
-
$6,107 SGD
CA$6,635 CAD
A
Retailer 2
-
$6,336 SGD
$4,956 USD
View
A
Retailer 3
-
$6,336 SGD
$4,956 USD
View
A
Retailer 4
-
$6,336 SGD
$4,956 USD
View
A
Retailer 5
-
$6,389 SGD
$4,998 USD
View
A
Retailer 6
-
$6,667 SGD
$5,215 USD
View
A
Retailer 7
-
$6,749 SGD
£4,157 GBP
View
B+
Retailer 8
-
$7,099 SGD
$5,553 USD
View
B+
Retailer 9
-
$7,311 SGD
$5,719 USD
View
Most Expensive
B
NZ Jewellers
d81915fb-9f7f-4cb7-b246-b38142635962 · Oct 30
$11,697 SGD
$9,150 USD
View
9 more retailers have this diamond
Prices start from $6,107 SGDSave up to $5,591 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
1.40ct Round
$6,107 SGD