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1.63ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 671480840

Shape and cutting style on the report: Round brilliant

Certificate IGI 671480840

Diamond specifications and retailer prices

From £1,058 GBP
As of November 5, 2026
Save £2,178 GBP (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,236 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 671480840. Listed at 10 retailers as of November 5, 2026, with prices from £1,058 to £3,236, a £2,178 spread on the same certified stone. NZ Jewellers lists it at £3,236. 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 angle36.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 671480840
Dimensions7.43 × 7.47 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.43 mm7.47 mm1.63 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671480840
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.9%

Caratlytics Score

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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 5
Current: £3,236 GBP|Low: £1,058 GBP|High: £3,236 GBP|Avg: £1,617 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£1,058 GBP
Retailer 4£1,208 GBP
Retailer 7£1,326 GBP
Retailer 9£1,326 GBP
Retailer 5£1,388 GBP
Retailer 6£1,428 GBP
Retailer 8£1,531 GBP
Retailer 2£1,663 GBP
Retailer 10£1,818 GBP
NZ Jewellers£3,236 GBP

44 data points across 10 retailers

10 retailers£1,058 GBP to £3,236 GBP

A
Cheapest Retailer
-
£1,058 GBP
A
Retailer 2
-
£1,208 GBP
View
Retailer 3
-
£1,224 GBP
View
Price last confirmed 95 days ago
B+
Retailer 4
-
£1,326 GBP
View
Retailer 5
-
£1,326 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£1,388 GBP
View
B+
Retailer 7
-
£1,428 GBP
View
B+
Retailer 8
-
£1,531 GBP
View
A
Retailer 9
-
£1,663 GBP
View
Most Expensive
B
NZ Jewellers
525d5905-a9f1-4c39-b8e6-4a7d5f212852 · Nov 5
£3,236 GBP
$4,355 USD
View
9 more retailers have this diamond
Prices start from £1,058 GBPSave up to £2,178 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
£1,058 GBP