Round|Natural|GIA

1.14ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6402093546

Certificate GIA 6402093546

Diamond specifications and retailer prices

From £3,545 GBP
$4,750 USD
As of October 25, 2026
Save £2,951 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £9,194 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.14ct natural round diamond

This 1.14ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6402093546. Listed at 7 retailers as of October 25, 2026, with a 83% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.14
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6402093546
Dimensions6.69 × 6.67 × 4.14 mm
L/W Ratio1.00
Top View
6.69 mm6.67 mm1.14 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6402093546
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: £4,267 GBP|Low: £3,520 GBP|High: £6,566 GBP|Avg: £4,545 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7£3,520 GBP
Retailer 4£3,545 GBP
Retailer 1£4,267 GBP
Retailer 5£4,434 GBP
Retailer 2£4,812 GBP
Retailer 6£4,857 GBP
Retailer 3£6,496 GBP

40 data points across 7 retailers

7 retailers£3,545 GBP to £6,496 GBP

B+
Cheapest Retailer
-
£3,545 GBP
$4,750 USD
B+
Retailer 2
-
£4,267 GBP
View
Retailer 3
-
£4,434 GBP
A$9,139 AUD
View
Price last confirmed 27 days ago
B
Retailer 4
-
£4,812 GBP
€6,140 EUR
View
Retailer 5
-
£4,857 GBP
$6,508 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
£6,496 GBP
View
Most Expensive
Diamond Quarter
1.14SI1D6446A1B2N · Oct 31
£9,194 GBP
View
Price under review
6 more retailers have this diamond
Prices start from £3,545 GBPSave up to £2,951 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+
1.14ct Round
£3,545 GBP