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1.63ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 671480382

Shape and cutting style on the report: Round brilliant

Certificate IGI 671480382

Diamond specifications and retailer prices

From £634 GBP
As of November 5, 2026
Save £461 GBP (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,094 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 1.63ct natural round diamond

This 1.63ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 671480382. Listed at 4 retailers as of November 5, 2026, with prices from £634 to £1,094, a £461 spread on the same certified stone. Moon Ocean lists it at £1,094. 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

1.63
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 671480382
Dimensions7.43 × 7.47 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
7.43 mm7.47 mm1.63 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671480382
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,094 GBP|Low: £634 GBP|High: £1,115 GBP|Avg: £867 GBP|-1.5%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£634 GBP
Retailer 3£836 GBP
Retailer 4£927 GBP
Moon Ocean£1,094 GBP

46 data points across 4 retailers

4 retailers£634 GBP to £1,094 GBP

A
Cheapest Retailer
-
£634 GBP
B+
Retailer 2
-
£836 GBP
View
B+
Retailer 3
-
£972 GBP
View
Most Expensive
B+
Moon Ocean
NVN-B7A71F396-382 · Nov 6
£1,094 GBP
View
3 more retailers have this diamond
Prices start from £634 GBPSave up to £461 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
1.63ct Round
£634 GBP