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Round|Natural|GIA

1.67ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 6371892547

Certificate GIA 6371892547

Diamond specifications and retailer prices

From £3,199 GBP
As of November 5, 2026
Save £2,953 GBP (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £6,152 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.67ct natural round diamond

This 1.67ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6371892547. Listed at 6 retailers as of November 5, 2026, with prices from £3,199 to £6,152, a £2,953 spread on the same certified stone. NZ Jewellers lists it at £6,152. 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

1.67
Carat
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6371892547
Dimensions7.52 × 7.57 × 4.75 mm
L/W Ratio1.01
Top View
7.52 mm7.57 mm1.67 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6371892547
Side View
Table 58.0%Crown 35°GirdlePavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £6,152 GBP|Low: £3,199 GBP|High: £6,152 GBP|Avg: £4,100 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£3,199 GBP
Retailer 4£3,199 GBP
Retailer 6£3,199 GBP
Retailer 7£3,691 GBP
Retailer 2£3,971 GBP
Retailer 5£5,159 GBP
NZ Jewellers£6,152 GBP

20 data points across 7 retailers

6 retailers£3,199 GBP to £6,152 GBP

B
Cheapest Retailer
-
£3,199 GBP
B
Retailer 2
-
£3,199 GBP
View
B
Retailer 3
-
£3,691 GBP
View
B
Retailer 4
-
£3,971 GBP
View
C
Retailer 5
-
£5,159 GBP
View
Most Expensive
C
NZ Jewellers
b33f4637-7235-4008-b19e-f1a41a8084ff · Nov 5
£6,152 GBP
$8,280 USD
View
5 more retailers have this diamond
Prices start from £3,199 GBPSave up to £2,953 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
1.67ct Round
£3,199 GBP