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Cushion|Natural|GIA

1.71ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551325602

Certificate GIA 6551325602

Diamond specifications and retailer prices

From $4,844 SGD
As of November 5, 2026
Save $3,642 SGD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,486 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.71ct natural cushion diamond

This 1.71ct 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 6551325602. Listed at 6 retailers as of November 2, 2026, with prices from $4,844 to $8,486, a $3,642 spread on the same certified stone. MOH London lists it at $8,486. 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

1.71
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551325602
Dimensions7.69 × 6.00 × 4.09 mm
L/W Ratio1.28
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
7.69 mm6.00 mm1.71 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551325602
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,486 SGD|Low: $4,844 SGD|High: $8,589 SGD|Avg: $5,995 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$4,844 SGD
Retailer 5$5,075 SGD
Retailer 3$5,108 SGD
Retailer 2$5,711 SGD
Retailer 4$6,194 SGD
MOH London$8,486 SGD

44 data points across 6 retailers

6 retailers$4,844 SGD to $8,486 SGD

A
Cheapest Retailer
-
$4,844 SGD
Retailer 2
-
$5,075 SGD
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$5,108 SGD
View
B+
Retailer 4
-
$5,711 SGD
View
B+
Retailer 5
-
$6,194 SGD
View
Most Expensive
B
MOH London
D8A6D52EE · Nov 2
$8,486 SGD
£5,214 GBP
View
5 more retailers have this diamond
Prices start from $4,844 SGDSave up to $3,642 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
1.71ct Cushion
$4,844 SGD