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Round|Natural|GIA

1.61ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6541685042

Certificate GIA 6541685042

Diamond specifications and retailer prices

From £3,681 GBP
SGD 6,625 SGD
As of October 29, 2026
Save £2,931 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,613 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541685042. Listed at 8 retailers as of October 26, 2026, with prices from £3,681 to £6,613, a £2,931 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,613. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541685042
Dimensions7.45 × 7.47 × 4.65 mm
L/W Ratio1.00
Top View
7.45 mm7.47 mm1.61 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541685042
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £4,041 GBP|Low: £3,681 GBP|High: £6,938 GBP|Avg: £4,699 GBP|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 29, 2026
Retailer 2£3,681 GBP
Retailer 6£3,827 GBP
Retailer 5£3,944 GBP
Retailer 1£4,041 GBP
Retailer 4£4,507 GBP
Retailer 3£4,616 GBP
Retailer 7£4,848 GBP
Retailer 8£5,220 GBP
Wholesale Diamonds Direct£6,613 GBP

41 data points across 9 retailers

8 retailers£3,681 GBP to £6,613 GBP

A
Cheapest Retailer
-
£3,681 GBP
SGD 6,625 SGD
A
Retailer 2
-
£3,827 GBP
$5,097 USD
View
A
Retailer 3
-
£3,944 GBP
SGD 7,098 SGD
View
A
Retailer 4
-
£4,041 GBP
View
A
Retailer 5
-
£4,507 GBP
$6,002 USD
View
A
Retailer 6
-
£4,616 GBP
View
A
Retailer 7
-
£4,733 GBP
$6,303 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047320 · Oct 26
£6,613 GBP
$8,806 USD
View
7 more retailers have this diamond
Prices start from £3,681 GBPSave up to £2,931 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
1.61ct Round
£3,681 GBP