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Cushion|Natural|GIA

1.71ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 6555291057

Certificate GIA 6555291057

Diamond specifications and retailer prices

From $6,061 USD
As of October 31, 2026
Save $4,041 USD (40%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,102 USD at MOH London · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555291057. Listed at 10 retailers as of October 31, 2026, with prices from $6,061 to $10,102, a $4,041 spread on the same certified stone. MOH London lists it at $10,102. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555291057
Dimensions8.05 × 6.10 × 4.19 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
8.05 mm6.10 mm1.71 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555291057
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $10,102 USD|Low: $5,601 USD|High: $10,307 USD|Avg: $7,262 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$6,061 USD
Retailer 5$6,061 USD
Retailer 8$6,320 USD
Retailer 6$6,464 USD
Retailer 9$6,674 USD
Retailer 2$6,892 USD
Retailer 10$7,207 USD
Retailer 3$7,920 USD
Retailer 7$7,988 USD
MOH London$10,102 USD

43 data points across 10 retailers

10 retailers$6,061 USD to $10,102 USD

B+
Cheapest Retailer
-
$6,061 USD
Final sale: no returns
B+
Retailer 2
-
$6,061 USD
View
B+
Retailer 3
-
$6,320 USD
View
B+
Retailer 4
-
$6,464 USD
View
B+
Retailer 5
-
$6,674 USD
View
B+
Retailer 6
-
$6,892 USD
£5,427 GBP
View
B
Retailer 7
-
$7,207 USD
A$11,088 AUD
View
B
Retailer 8
-
$7,920 USD
€7,543 EUR
View
Retailer 9
-
$7,988 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
C18ACABE3 · Nov 1
$10,102 USD
£7,954 GBP
View
9 more retailers have this diamond
Prices start from $6,061 USDSave up to $4,041 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
$6,061 USD