Cushion|Natural|GIA

1.86ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6432934893

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 6432934893

Diamond specifications and retailer prices

From €2,178 EUR
As of November 6, 2026
Save €2,752 EUR (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,930 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.86ct natural cushion diamond

This 1.86ct natural cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6432934893. Listed at 13 retailers as of November 4, 2026, with prices from €2,178 to €4,930, a €2,752 spread on the same certified stone. MOH London lists it at €4,930. 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

1.86
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432934893
Dimensions7.33 × 6.57 × 4.55 mm
L/W Ratio1.12
Top View
7.33 mm6.57 mm1.86 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432934893
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.2%

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 6
Current: €4,930 EUR|Low: €2,155 EUR|High: €5,003 EUR|Avg: €3,159 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8€2,178 EUR
Retailer 7€2,541 EUR
Retailer 11€2,783 EUR
Retailer 9€2,819 EUR
Retailer 5€2,846 EUR
Retailer 3€2,918 EUR
Retailer 10€2,956 EUR
Retailer 4€3,026 EUR
Retailer 2€3,440 EUR
Retailer 6€3,608 EUR
MOH London€4,930 EUR

42 data points across 11 retailers

13 retailers€2,178 EUR to €4,930 EUR

A
Cheapest Retailer
-
€2,178 EUR
A
Retailer 2
-
€2,541 EUR
View
A
Retailer 3
-
€2,624 EUR
View
A
Retailer 4
-
€2,783 EUR
View
A
Retailer 5
-
€2,819 EUR
View
A
Retailer 6
-
€2,846 EUR
View
A
Retailer 7
-
€2,867 EUR
View
Retailer 8
-
€2,956 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
€3,026 EUR
View
A
Retailer 10
-
€3,440 EUR
View
B+
Retailer 11
-
€3,608 EUR
View
B+
Retailer 12
-
€4,185 EUR
View
Most Expensive
B
MOH London
7AB8E7FDB · Nov 4
€4,930 EUR
£4,334 GBP
View
12 more retailers have this diamond
Prices start from €2,178 EURSave up to €2,752 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.

A
1.86ct Cushion
€2,178 EUR