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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 $2,432 USD
As of November 6, 2026
Save $3,072 USD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,504 USD 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 $2,432 to $5,504, a $3,072 spread on the same certified stone. MOH London lists it at $5,504. 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
Color
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

How it works →
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: $5,504 USD|Low: $2,406 USD|High: $5,585 USD|Avg: $3,527 USD|-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$2,432 USD
Retailer 7$2,837 USD
Retailer 11$3,107 USD
Retailer 9$3,147 USD
Retailer 5$3,177 USD
Retailer 3$3,258 USD
Retailer 10$3,300 USD
Retailer 4$3,379 USD
Retailer 2$3,841 USD
Retailer 6$4,028 USD
MOH London$5,504 USD

42 data points across 11 retailers

13 retailers$2,432 USD to $5,504 USD

A
Cheapest Retailer
-
$2,432 USD
A
Retailer 2
-
$2,837 USD
View
A
Retailer 3
-
$2,930 USD
View
A
Retailer 4
-
$3,107 USD
View
A
Retailer 5
-
$3,147 USD
View
A
Retailer 6
-
$3,177 USD
View
A
Retailer 7
-
$3,201 USD
View
Retailer 8
-
$3,300 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$3,379 USD
View
A
Retailer 10
-
$3,841 USD
View
B+
Retailer 11
-
$4,028 USD
View
B+
Retailer 12
-
$4,672 USD
View
Most Expensive
B
MOH London
7AB8E7FDB · Nov 4
$5,504 USD
£4,334 GBP
View
12 more retailers have this diamond
Prices start from $2,432 USDSave up to $3,072 USD

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
$2,432 USD