Cushion|Natural|GIA

1.71ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6541501819

Certificate GIA 6541501819

Diamond specifications and retailer prices

From $9,149 USD
As of October 31, 2026
Save $6,345 USD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,494 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541501819. Listed at 14 retailers as of October 31, 2026, with prices from $9,149 to $15,494, a $6,345 spread on the same certified stone. MOH London lists it at $15,494. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6541501819
Dimensions8.32 × 5.94 × 4.03 mm
L/W Ratio1.40
Top View
8.32 mm5.94 mm1.71 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6541501819
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,494 USD|Low: $9,149 USD|High: $15,681 USD|Avg: $11,478 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4$9,149 USD
Retailer 9$9,205 USD
Retailer 10$9,815 USD
Retailer 12$9,921 USD
Retailer 11$10,004 USD
Retailer 5$10,866 USD
Retailer 8$10,923 USD
Retailer 2$11,179 USD
Retailer 3$11,375 USD
Retailer 7$12,500 USD
Retailer 6$14,575 USD
MOH London$15,494 USD

41 data points across 12 retailers

14 retailers$9,149 USD to $15,494 USD

B
Cheapest Retailer
-
$9,149 USD
B
Retailer 2
-
$9,205 USD
View
B
Retailer 3
-
$9,815 USD
View
B
Retailer 4
-
$9,921 USD
View
B
Retailer 5
-
$10,004 USD
View
B
Retailer 6
-
$10,866 USD
£8,556 GBP
View
Retailer 7
-
$10,923 USD
A$16,804 AUD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$11,179 USD
£8,802 GBP
View
B
Retailer 9
-
$11,375 USD
View
B
Retailer 10
-
$11,828 USD
View
B
Retailer 11
-
$12,500 USD
€11,905 EUR
View
Retailer 12
-
$13,054 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$14,575 USD
ZAR 235,462 ZAR
View
Most Expensive
B
MOH London
5BB07FF9B · Nov 1
$15,494 USD
£12,200 GBP
View
13 more retailers have this diamond
Prices start from $9,149 USDSave up to $6,345 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
$9,149 USD