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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 $6,953 SGD
As of November 4, 2026
Save $5,979 SGD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,932 SGD 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 $6,953 to $12,932, a $5,979 spread on the same certified stone. MOH London lists it at $12,932. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,932 SGD|Low: $6,953 SGD|High: $13,122 SGD|Avg: $9,654 SGD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$6,953 SGD
Retailer 4$8,357 SGD
Retailer 2$8,538 SGD
Retailer 7$9,108 SGD
Retailer 3$9,563 SGD
Retailer 8$9,702 SGD
Retailer 5$10,739 SGD
MOH London$12,932 SGD

34 data points across 8 retailers

9 retailers$6,953 SGD to $12,932 SGD

B
Cheapest Retailer
-
$6,953 SGD
B
Retailer 2
-
$7,857 SGD
View
B
Retailer 3
-
$8,357 SGD
View
B
Retailer 4
-
$8,538 SGD
View
B
Retailer 5
-
$9,108 SGD
View
B
Retailer 6
-
$9,563 SGD
View
Retailer 7
-
$9,702 SGD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$10,739 SGD
View
Most Expensive
B
MOH London
FADBF7DBF · Nov 4
$12,932 SGD
£7,945 GBP
View
8 more retailers have this diamond
Prices start from $6,953 SGDSave up to $5,979 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.

B
1.81ct Cushion
$6,953 SGD