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Round|Natural|GIA

1.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1513168449

Certificate GIA 1513168449

Diamond specifications and retailer prices

From £8,578 GBP
As of October 29, 2026
13 retailers carry this diamond
Most expensive: £8,578 GBP at Diamond Quarter
View at Diamond Quarter

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 1513168449. Listed at 13 retailers as of October 29, 2026. 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
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1513168449
Dimensions7.12 × 7.08 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.12 mm7.08 mm1.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1513168449
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £4,089 GBP|Low: £3,114 GBP|High: £6,813 GBP|Avg: £4,277 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 20, 2026
Retailer 2£3,114 GBP
Retailer 3£3,258 GBP
Retailer 8£3,364 GBP
Retailer 7£3,441 GBP
Retailer 11£3,534 GBP
Retailer 12£3,702 GBP
Retailer 4£3,736 GBP
Retailer 5£3,921 GBP
Retailer 1£4,089 GBP
Retailer 10£4,643 GBP
Retailer 9£6,315 GBP
Retailer 6£6,768 GBP

32 data points across 12 retailers

13 retailers

Retailer 1
-
£3,114 GBP
HK$32,600 HKD
Price last confirmed 10 days ago
Retailer 2
-
£3,258 GBP
$4,366 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£3,340 GBP
$4,475 USD
View
Price last confirmed 25 days ago
Retailer 4
-
£3,364 GBP
$4,508 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£3,441 GBP
$4,610 USD
View
Price last confirmed 13 days ago
Retailer 6
-
£3,702 GBP
$4,960 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£3,921 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£4,089 GBP
View
Price last confirmed 10 days ago
Retailer 9
-
£6,315 GBP
$8,462 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£6,768 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£7,216 GBP
$9,669 USD
View
Price last confirmed 24 days ago
Retailer 12
-
£7,291 GBP
$9,769 USD
View
Price last confirmed 35 days ago
Most Expensive
B
Diamond Quarter
1.4SI2D1549B1DCN · Oct 29
£8,578 GBP
View
12 more retailers have this diamond

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
£8,578 GBP