Round|Natural|GIA

1.61ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2548434460

Certificate GIA 2548434460

Diamond specifications and retailer prices

From £2,545 GBP
As of November 5, 2026
Save £685 GBP (21%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,611 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2548434460. Listed at 9 retailers as of November 5, 2026, with a 27% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.61
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2548434460
Dimensions7.46 × 7.42 × 4.65 mm
L/W Ratio1.01
Star length50%
Top View
7.46 mm7.42 mm1.61 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2548434460
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £2,722 GBP|Low: £2,545 GBP|High: £3,253 GBP|Avg: £2,875 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£2,545 GBP
Retailer 1£2,722 GBP
Retailer 3£3,074 GBP
Retailer 2£3,230 GBP

42 data points across 4 retailers

9 retailers£2,545 GBP to £3,230 GBP

B+
Cheapest Retailer
-
£2,545 GBP
Retailer 2
-
£2,647 GBP
View
Price last confirmed 29 days ago
Retailer 3
-
£2,647 GBP
View
Price last confirmed 29 days ago
B+
Retailer 4
-
£2,722 GBP
View
Retailer 5
-
£2,748 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£3,054 GBP
View
Price last confirmed 38 days ago
B
Retailer 7
-
£3,074 GBP
View
B
Retailer 8
-
£3,230 GBP
View
Most Expensive
NZ Jewellers
7c2981e1-2e97-4a69-8118-463893d7f9d8 · Sep 28
£4,611 GBP
$6,206 USD
View
Price last confirmed 39 days ago
8 more retailers have this diamond
Prices start from £2,545 GBPSave up to £685 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+
1.61ct Round
£2,545 GBP