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1.61ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5426317636

Certificate GIA 5426317636

Diamond specifications and retailer prices

From €10,827 EUR
$12,144 USD
As of November 1, 2026
Save €7,496 EUR (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €18,323 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5426317636. Listed at 14 retailers as of October 29, 2026, with prices from €10,827 to €18,323, a €7,496 spread on the same certified stone. MOH London lists it at €18,323. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5426317636
Dimensions7.47 × 7.45 × 4.64 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.47 mm7.45 mm1.61 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5426317636
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: €18,323 EUR|Low: €10,521 EUR|High: €18,445 EUR|Avg: €13,720 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€10,521 EUR
Retailer 9€10,827 EUR
Retailer 10€11,670 EUR
Retailer 4€12,265 EUR
Retailer 7€12,532 EUR
Retailer 8€12,807 EUR
Retailer 2€14,640 EUR
Retailer 3€15,279 EUR
Retailer 5€17,144 EUR
MOH London€18,323 EUR

31 data points across 10 retailers

14 retailers€10,827 EUR to €18,323 EUR

Retailer 1
-
€10,521 EUR
$11,800 USD
Price last confirmed 9 days ago
B
Retailer 2
-
€10,827 EUR
$12,144 USD
View
B
Retailer 3
-
€12,265 EUR
£10,832 GBP
View
Retailer 4
-
€12,532 EUR
A$21,625 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
€12,642 EUR
$14,179 USD
View
Price last confirmed 46 days ago
B
Retailer 6
-
€12,807 EUR
$14,364 USD
View
Retailer 7
-
€12,807 EUR
$14,364 USD
View
Price last confirmed 35 days ago
Retailer 8
-
€12,807 EUR
$14,364 USD
View
Price last confirmed 19 days ago
Retailer 9
-
€13,129 EUR
$14,725 USD
View
Price last confirmed 44 days ago
B
Retailer 10
-
€14,640 EUR
View
B
Retailer 11
-
€15,279 EUR
£13,494 GBP
View
Retailer 12
-
€16,532 EUR
$18,542 USD
View
Price last confirmed 45 days ago
B
Retailer 13
-
€17,144 EUR
ZAR 310,648 ZAR
View
Most Expensive
B
MOH London
ECE894335 · Oct 29
€18,323 EUR
£16,182 GBP
View
13 more retailers have this diamond
Prices start from €10,827 EURSave up to €7,496 EUR

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
€10,827 EUR