CaratHunter
Plans
Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6561017306

Certificate GIA 6561017306

Diamond specifications and retailer prices

From $3,658 USD
As of October 26, 2026
Save $4,409 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,067 USD at MOH London · As of October 26, 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 6561017306. Listed at 13 retailers as of October 26, 2026, with prices from $3,658 to $8,067, a $4,409 spread on the same certified stone. MOH London lists it at $8,067. 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
OriginNatural
Grading LabGIA
CertificateGIA 6561017306
Dimensions8.22 × 6.20 × 4.03 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Needle, Natural
Top View
8.22 mm6.20 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561017306
Side View
Table 61.0%CrownGirdle: THN-XTKPavilionCulet: NoneDepth 65.1%

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: Oct 26
Current: $8,067 USD|Low: $3,599 USD|High: $8,153 USD|Avg: $4,878 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 27, 2026
Retailer 5$3,658 USD
Retailer 9$3,839 USD
Retailer 10$3,879 USD
Retailer 3$4,229 USD
Retailer 11$4,528 USD
Retailer 7$4,562 USD
Retailer 8$4,582 USD
Retailer 4$4,820 USD
Retailer 2$5,000 USD
Retailer 6$5,007 USD
MOH London$8,067 USD

31 data points across 11 retailers

13 retailers$3,658 USD to $8,067 USD

A
Cheapest Retailer
-
$3,658 USD
Retailer 2
-
$3,839 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$3,879 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,528 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,551 USD
View
B
Retailer 6
-
$4,562 USD
View
B+
Retailer 7
-
$4,582 USD
View
B
Retailer 8
-
$4,809 USD
A$7,398 AUD
View
B+
Retailer 9
-
$4,820 USD
€4,590 EUR
View
B+
Retailer 10
-
$5,000 USD
£3,937 GBP
View
B+
Retailer 11
-
$5,007 USD
£3,943 GBP
View
Retailer 12
-
$5,584 USD
View
Price last confirmed 17 days ago
Most Expensive
B
MOH London
2C48D6BCA · Oct 26
$8,067 USD
£6,352 GBP
View
12 more retailers have this diamond
Prices start from $3,658 USDSave up to $4,409 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
$3,658 USD