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Round|Natural|GIA

1.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2506126317

Certificate GIA 2506126317

Diamond specifications and retailer prices

From $6,718 CAD
HK$37,500 HKD
As of October 29, 2026
Save $6,810 CAD (50%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,528 CAD at MOH London · As of October 29, 2026
View at MOH London

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 2506126317. Listed at 6 retailers as of October 29, 2026, with prices from $6,718 to $13,528, a $6,810 spread on the same certified stone. MOH London lists it at $13,528. 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
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506126317
Dimensions7.11 × 7.06 × 4.45 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.11 mm7.06 mm1.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506126317
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $13,528 CAD|Low: $6,718 CAD|High: $13,617 CAD|Avg: $9,159 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$6,718 CAD
Retailer 4$7,929 CAD
Retailer 5$7,954 CAD
Retailer 2$8,702 CAD
Retailer 3$9,980 CAD
MOH London$13,528 CAD

42 data points across 6 retailers

6 retailers$6,718 CAD to $13,528 CAD

A
Cheapest Retailer
-
$6,718 CAD
HK$37,500 HKD
B+
Retailer 2
-
$7,929 CAD
$5,665 USD
View
B+
Retailer 3
-
$7,954 CAD
$5,683 USD
View
B+
Retailer 4
-
$8,702 CAD
£4,896 GBP
View
B+
Retailer 5
-
$9,980 CAD
€6,791 EUR
View
Most Expensive
B
MOH London
484BB4A7D · Oct 29
$13,528 CAD
£7,611 GBP
View
5 more retailers have this diamond
Prices start from $6,718 CADSave up to $6,810 CAD

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
$6,718 CAD