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1.40ct D SI2 Round Natural Diamond

EX • D/SI2 • 747549629

Diamond specifications and retailer prices

From £3,793 GBP
SGD 6,868 SGD
As of October 29, 2026
Save £5,692 GBP (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £9,485 GBP 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 £3,793 to £9,485, a £5,692 spread on the same certified stone. Allurez lists it at £9,485. 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 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: £9,485 GBP|Low: £3,793 GBP|High: £10,296 GBP|Avg: £6,894 GBP
Allurez
Retailer 2
Retailer 3
Retailer 4
October 13, 2026
Retailer 2£3,793 GBP
Retailer 3£3,985 GBP
Allurez£9,485 GBP
Retailer 4£10,296 GBP

4 data points across 4 retailers

2 retailers£3,793 GBP to £9,485 GBP

B+
Cheapest Retailer
-
£3,793 GBP
SGD 6,868 SGD
Most Expensive
C
Allurez
6202561 · Oct 26
£9,485 GBP
$12,709 USD
View
1 more retailer has this diamond
Prices start from £3,793 GBPSave up to £5,692 GBP

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
£3,793 GBP