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Round|Natural|GIA

1.40ct E IF Round Natural Diamond

EX • E/IF • GIA 1399692516

Certificate GIA 1399692516

Diamond specifications and retailer prices

From £6,219 GBP
HK$64,700 HKD
As of October 29, 2026
Save £13,490 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £19,709 GBP at Diamond Quarter · As of October 29, 2026
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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1399692516. Listed at 6 retailers as of October 29, 2026, with prices from £6,219 to £19,709, a £13,490 spread on the same certified stone. Diamond Quarter lists it at £19,709. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1399692516
Dimensions7.19 × 7.16 × 4.50 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.19 mm7.16 mm1.40 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1399692516
Side View
Table 52.0%Crown 34.5°Girdle: MED-MEDPavilion 40.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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: £8,578 GBP|Low: £6,219 GBP|High: £17,060 GBP|Avg: £9,663 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 28, 2026
Retailer 9£6,219 GBP
Retailer 2£6,392 GBP
Retailer 8£6,607 GBP
Retailer 14£8,234 GBP
Retailer 7£8,267 GBP
Retailer 1£8,578 GBP
Retailer 6£8,874 GBP
Retailer 11£9,320 GBP
Retailer 10£9,586 GBP
Retailer 3£9,614 GBP
Retailer 4£9,614 GBP
Retailer 5£12,191 GBP
Retailer 12£13,810 GBP
Retailer 13£17,060 GBP

6 data points across 14 retailers

6 retailers£6,219 GBP to £19,709 GBP

A+
Cheapest Retailer
-
£6,219 GBP
HK$64,700 HKD
A
Retailer 2
-
£6,607 GBP
€8,380 EUR
View
A
Retailer 3
-
£6,696 GBP
A$13,719 AUD
View
A
Retailer 4
-
£8,267 GBP
View
A
Retailer 5
-
£8,578 GBP
€10,879 EUR
View
Most Expensive
B
Diamond Quarter
1.4IFE13169EF5N · Oct 29
£19,709 GBP
View
5 more retailers have this diamond
Prices start from £6,219 GBPSave up to £13,490 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.

A+
1.40ct Round
£6,219 GBP