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Cushion|Natural|GIA

1.71ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542681898

Certificate GIA 6542681898

Diamond specifications and retailer prices

From $3,865 USD
As of November 6, 2026
Save $4,186 USD (52%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,051 USD at MOH London · As of November 4, 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 6542681898. Listed at 16 retailers as of November 4, 2026, with prices from $3,865 to $8,051, a $4,186 spread on the same certified stone. MOH London lists it at $8,051. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6542681898
Dimensions7.91 × 6.21 × 4.33 mm
L/W Ratio1.27
Top View
7.91 mm6.21 mm1.71 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6542681898
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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 6
Current: $8,051 USD|Low: $3,865 USD|High: $8,170 USD|Avg: $5,200 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$3,865 USD
Retailer 4$4,051 USD
Retailer 9$4,340 USD
Retailer 6$4,592 USD
Retailer 7$4,850 USD
Retailer 2$4,990 USD
Retailer 5$5,710 USD
Retailer 3$6,183 USD
MOH London$8,051 USD

44 data points across 9 retailers

16 retailers$3,865 USD to $8,051 USD

B+
Cheapest Retailer
-
$3,865 USD
B+
Retailer 2
-
$3,960 USD
View
B+
Retailer 3
-
$4,004 USD
View
B+
Retailer 4
-
$4,051 USD
View
B+
Retailer 5
-
$4,340 USD
View
Retailer 6
-
$4,592 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,668 USD
View
B
Retailer 8
-
$4,831 USD
View
B
Retailer 9
-
$4,835 USD
View
B
Retailer 10
-
$4,850 USD
View
B+
Retailer 11
-
$4,990 USD
View
Retailer 12
-
$5,594 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$5,710 USD
View
B
Retailer 14
-
$6,183 USD
View
B
Retailer 15
-
$7,335 USD
View
Most Expensive
B
MOH London
9937217E9 · Nov 4
$8,051 USD
£6,339 GBP
View
15 more retailers have this diamond
Prices start from $3,865 USDSave up to $4,186 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.

B+
1.71ct Cushion
$3,865 USD