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Round|Natural|IGI

1.50ct D IF Round Natural Diamond

EX • D/IF • IGI 809693421

Shape and cutting style on the report: Round brilliant

Certificate IGI 809693421

Diamond specifications and retailer prices

From £11,818 GBP
As of November 4, 2026
Save £6,370 GBP (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £18,188 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 809693421. Listed at 11 retailers as of November 2, 2026, with prices from £11,818 to £18,188, a £6,370 spread on the same certified stone. MOH London lists it at £18,188. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 809693421
Dimensions7.26 × 7.36 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.26 mm7.36 mm1.50 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 809693421
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £18,188 GBP|Low: £11,783 GBP|High: £18,407 GBP|Avg: £13,581 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 6£11,818 GBP
Retailer 3£12,240 GBP
Retailer 5£12,319 GBP
Retailer 2£12,450 GBP
Retailer 7£13,712 GBP
Retailer 4£14,072 GBP
MOH London£18,188 GBP

43 data points across 7 retailers

11 retailers£11,818 GBP to £18,188 GBP

A
Cheapest Retailer
-
£11,818 GBP
A
Retailer 2
-
£12,240 GBP
View
A
Retailer 3
-
£12,319 GBP
View
Final sale: no returns
A
Retailer 4
-
£12,450 GBP
View
A
Retailer 5
-
£12,768 GBP
View
A
Retailer 6
-
£13,712 GBP
View
A
Retailer 7
-
£13,926 GBP
View
A
Retailer 8
-
£14,072 GBP
View
A
Retailer 9
-
£14,462 GBP
View
B+
Retailer 10
-
£16,498 GBP
View
Most Expensive
B+
MOH London
E0AEB8D51 · Nov 2
£18,188 GBP
View
10 more retailers have this diamond
Prices start from £11,818 GBPSave up to £6,370 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
1.50ct Round
£11,818 GBP