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1.40ct D SI2 Round Natural Diamond

EX • D/SI2 • 747549629

Diamond specifications and retailer prices

From $5,082 USD
SGD 6,868 SGD
As of October 29, 2026
Save $7,627 USD (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $12,709 USD at Allurez · As of October 26, 2026
View at Allurez

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. Listed at 2 retailers as of October 26, 2026, with prices from $5,082 to $12,709, a $7,627 spread on the same certified stone. Allurez lists it at $12,709. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading Lab
Certificate747549629
Dimensions7.16 × 7.12 × 4.43 mm
L/W Ratio1.01
Top View
7.16 mm7.12 mm1.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate747549629
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.0%

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: Oct 29
Current: $12,709 USD|Low: $5,082 USD|High: $13,796 USD|Avg: $9,237 USD
Allurez
Retailer 2
Retailer 3
Retailer 4
October 13, 2026
Retailer 2$5,082 USD
Retailer 3$5,340 USD
Allurez$12,709 USD
Retailer 4$13,796 USD

4 data points across 4 retailers

2 retailers$5,082 USD to $12,709 USD

B+
Cheapest Retailer
-
$5,082 USD
SGD 6,868 SGD
Most Expensive
C
Allurez
6202561 · Oct 26
$12,709 USD
View
1 more retailer has this diamond
Prices start from $5,082 USDSave up to $7,627 USD

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
$5,082 USD