Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2235856156

Certificate GIA 2235856156

Diamond specifications and retailer prices

From $3,468 USD
As of October 31, 2026
Save $3,320 USD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,788 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.7ct natural cushion diamond

This 1.7ct natural cushion sits in the one-and-a-half to two carat band, graded J 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 2235856156. Listed at 14 retailers as of October 31, 2026, with prices from $3,468 to $6,788, a $3,320 spread on the same certified stone. MOH London lists it at $6,788. 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

1.70
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle37.57°
OriginNatural
Grading LabGIA
CertificateGIA 2235856156
Dimensions6.75 × 6.66 × 4.59 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.75 mm6.66 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235856156
Side View
Table 61.0%CrownGirdle: THK-ETKPavilion 37.57°Culet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $6,788 USD|Low: $3,468 USD|High: $7,264 USD|Avg: $4,622 USD|-5.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$3,468 USD
Retailer 7$3,529 USD
Retailer 12$3,635 USD
Retailer 4$3,905 USD
Retailer 13$3,963 USD
Retailer 10$4,039 USD
Retailer 2$4,193 USD
Retailer 8$4,200 USD
Retailer 11$4,200 USD
Retailer 9$4,340 USD
Retailer 6$4,503 USD
Retailer 5$5,924 USD
MOH London$6,788 USD

42 data points across 13 retailers

14 retailers$3,468 USD to $6,788 USD

A
Cheapest Retailer
-
$3,468 USD
A
Retailer 2
-
$3,529 USD
CA$4,901 CAD
View
A
Retailer 3
-
$3,635 USD
View
B+
Retailer 4
-
$3,905 USD
View
B+
Retailer 5
-
$3,963 USD
View
B+
Retailer 6
-
$4,039 USD
View
B+
Retailer 7
-
$4,193 USD
£3,301 GBP
View
B+
Retailer 8
-
$4,200 USD
View
B+
Retailer 9
-
$4,200 USD
View
B+
Retailer 10
-
$4,340 USD
View
B+
Retailer 11
-
$4,503 USD
€4,289 EUR
View
B+
Retailer 12
-
$4,540 USD
CA$6,306 CAD
View
B
Retailer 13
-
$5,924 USD
View
Most Expensive
B
MOH London
FDEC76607 · Nov 1
$6,788 USD
£5,345 GBP
View
13 more retailers have this diamond
Prices start from $3,468 USDSave up to $3,320 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.

A
1.70ct Cushion
$3,468 USD