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Cushion|Natural|GIA

1.81ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6475646979

Certificate GIA 6475646979

Diamond specifications and retailer prices

From €4,859 EUR
As of November 4, 2026
Save €4,178 EUR (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,037 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.81ct natural cushion diamond

This 1.81ct 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 6475646979. Listed at 9 retailers as of November 4, 2026, with prices from €4,859 to €9,037, a €4,178 spread on the same certified stone. MOH London lists it at €9,037. 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

1.81
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6475646979
Dimensions7.95 × 6.28 × 4.30 mm
L/W Ratio1.27
Top View
7.95 mm6.28 mm1.81 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6475646979
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: €9,037 EUR|Low: €4,859 EUR|High: €9,170 EUR|Avg: €6,747 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6€4,859 EUR
Retailer 4€5,841 EUR
Retailer 2€5,967 EUR
Retailer 7€6,365 EUR
Retailer 3€6,683 EUR
Retailer 8€6,780 EUR
Retailer 5€7,505 EUR
MOH London€9,037 EUR

34 data points across 8 retailers

9 retailers€4,859 EUR to €9,037 EUR

B
Cheapest Retailer
-
€4,859 EUR
B
Retailer 2
-
€5,491 EUR
View
B
Retailer 3
-
€5,841 EUR
View
B
Retailer 4
-
€5,967 EUR
View
B
Retailer 5
-
€6,365 EUR
View
B
Retailer 6
-
€6,683 EUR
View
Retailer 7
-
€6,780 EUR
View
Price last confirmed 15 days ago
B
Retailer 8
-
€7,505 EUR
View
Most Expensive
B
MOH London
FADBF7DBF · Nov 4
€9,037 EUR
£7,945 GBP
View
8 more retailers have this diamond
Prices start from €4,859 EURSave up to €4,178 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
1.81ct Cushion
€4,859 EUR