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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 $3,117 SGD
As of November 6, 2026
Save $3,937 SGD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,054 SGD 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 $3,117 to $7,054, a $3,937 spread on the same certified stone. MOH London lists it at $7,054. 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

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: $7,054 SGD|Low: $3,084 SGD|High: $7,158 SGD|Avg: $4,520 SGD|-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$3,117 SGD
Retailer 7$3,636 SGD
Retailer 11$3,982 SGD
Retailer 9$4,033 SGD
Retailer 5$4,072 SGD
Retailer 3$4,175 SGD
Retailer 10$4,229 SGD
Retailer 4$4,331 SGD
Retailer 2$4,923 SGD
Retailer 6$5,162 SGD
MOH London$7,054 SGD

42 data points across 11 retailers

13 retailers$3,117 SGD to $7,054 SGD

A
Cheapest Retailer
-
$3,117 SGD
A
Retailer 2
-
$3,636 SGD
View
A
Retailer 3
-
$3,755 SGD
View
A
Retailer 4
-
$3,982 SGD
View
A
Retailer 5
-
$4,033 SGD
View
A
Retailer 6
-
$4,072 SGD
View
A
Retailer 7
-
$4,102 SGD
View
Retailer 8
-
$4,229 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$4,331 SGD
View
A
Retailer 10
-
$4,923 SGD
View
B+
Retailer 11
-
$5,162 SGD
View
B+
Retailer 12
-
$5,988 SGD
View
Most Expensive
B
MOH London
7AB8E7FDB · Nov 4
$7,054 SGD
£4,334 GBP
View
12 more retailers have this diamond
Prices start from $3,117 SGDSave up to $3,937 SGD

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
$3,117 SGD