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Cushion|Natural|GIA

1.18ct D IF Cushion Natural Diamond

EX • D/IF • GIA 6491802442

Certificate GIA 6491802442

Diamond specifications and retailer prices

From $11,990 SGD
As of November 4, 2026
Save $6,414 SGD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $18,404 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.18ct natural cushion diamond

This 1.18ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6491802442. Listed at 5 retailers as of November 4, 2026, with prices from $11,990 to $18,404, a $6,414 spread on the same certified stone. MOH London lists it at $18,404. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6491802442
Dimensions5.75 × 7.23 × 3.68 mm
L/W Ratio1.26
Girdle conditionFaceted
Top View
5.75 mm7.23 mm1.18 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6491802442
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $18,404 SGD|Low: $11,990 SGD|High: $18,676 SGD|Avg: $14,129 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$11,990 SGD
Retailer 2$12,810 SGD
Retailer 3$12,993 SGD
Retailer 5$14,099 SGD
MOH London$18,404 SGD

44 data points across 5 retailers

5 retailers$11,990 SGD to $18,404 SGD

B+
Cheapest Retailer
-
$11,990 SGD
B+
Retailer 2
-
$12,810 SGD
View
Retailer 3
-
$12,993 SGD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$14,099 SGD
View
Most Expensive
B
MOH London
082C3B31F · Nov 4
$18,404 SGD
£11,345 GBP
View
4 more retailers have this diamond
Prices start from $11,990 SGDSave up to $6,414 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+
1.18ct Cushion
$11,990 SGD