CaratHunter
Plans
Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558587225

Certificate GIA 1558587225

Diamond specifications and retailer prices

From $3,840 USD
HK$30,000 HKD
As of October 31, 2026
Save $4,369 USD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,209 USD at MOH London · As of October 29, 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 1558587225. Listed at 14 retailers as of October 29, 2026, with prices from $3,840 to $8,209, a $4,369 spread on the same certified stone. MOH London lists it at $8,209. 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 1558587225
Dimensions8.04 × 6.04 × 4.17 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Twinning Wisp, Crystal, Feather, Indented Natural, Needle
Top View
8.04 mm6.04 mm1.70 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558587225
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.1%

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 31
Current: $8,209 USD|Low: $3,814 USD|High: $8,752 USD|Avg: $5,343 USD|-6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$3,840 USD
Retailer 2$4,092 USD
Retailer 10$4,732 USD
Retailer 3$4,786 USD
Retailer 12$4,888 USD
Retailer 7$5,085 USD
Retailer 8$5,118 USD
Retailer 9$5,279 USD
Retailer 11$5,407 USD
Retailer 4$5,429 USD
Retailer 6$5,802 USD
MOH London$8,209 USD

26 data points across 12 retailers

14 retailers$3,840 USD to $8,209 USD

A
Cheapest Retailer
-
$3,840 USD
HK$30,000 HKD
B+
Retailer 2
-
$4,092 USD
₹389,711 INR
View
B+
Retailer 3
-
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
$4,786 USD
SGD 6,468 SGD
View
B+
Retailer 5
-
$4,888 USD
SGD 6,605 SGD
View
B
Retailer 6
-
$4,976 USD
View
B+
Retailer 7
-
$5,085 USD
£4,004 GBP
View
B
Retailer 8
-
$5,118 USD
£4,030 GBP
View
B
Retailer 9
-
$5,277 USD
A$8,118 AUD
View
B
Retailer 10
-
$5,279 USD
View
B+
Retailer 11
-
$5,407 USD
View
Retailer 12
-
$5,429 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$5,802 USD
€5,526 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Oct 29
$8,209 USD
£6,464 GBP
View
13 more retailers have this diamond
Prices start from $3,840 USDSave up to $4,369 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
$3,840 USD