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Cushion|Natural|GIA

1.70ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1558587225

Certificate GIA 1558587225

Diamond specifications and retailer prices

From $4,909 SGD
HK$30,000 HKD
As of November 1, 2026
Save $5,530 SGD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,440 SGD 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 1558587225. Listed at 14 retailers as of November 1, 2026, with prices from $4,909 to $10,440, a $5,530 spread on the same certified stone. MOH London lists it at $10,440. 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
Colour
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: Nov 1
Current: $10,440 SGD|Low: $4,876 SGD|High: $11,188 SGD|Avg: $6,832 SGD|-6.7%
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 7$4,909 SGD
Retailer 2$5,230 SGD
Retailer 10$6,049 SGD
Retailer 3$6,119 SGD
Retailer 12$6,248 SGD
Retailer 5$6,481 SGD
Retailer 6$6,543 SGD
Retailer 9$6,749 SGD
Retailer 11$6,912 SGD
Retailer 4$6,940 SGD
Retailer 8$7,418 SGD
MOH London$10,440 SGD

25 data points across 12 retailers

14 retailers$4,909 SGD to $10,440 SGD

A
Cheapest Retailer
-
$4,909 SGD
HK$30,000 HKD
B+
Retailer 2
-
$5,230 SGD
₹389,627 INR
View
B+
Retailer 3
-
$6,049 SGD
$4,732 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,119 SGD
View
B+
Retailer 5
-
$6,248 SGD
View
B
Retailer 6
-
$6,361 SGD
$4,976 USD
View
B
Retailer 7
-
$6,481 SGD
£3,992 GBP
View
B
Retailer 8
-
$6,543 SGD
£4,030 GBP
View
B
Retailer 9
-
$6,746 SGD
A$8,118 AUD
View
B
Retailer 10
-
$6,749 SGD
$5,279 USD
View
B+
Retailer 11
-
$6,912 SGD
$5,407 USD
View
Retailer 12
-
$6,940 SGD
$5,429 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$7,418 SGD
€5,526 EUR
View
Most Expensive
B
MOH London
1CE160ECC · Nov 1
$10,440 SGD
£6,430 GBP
View
13 more retailers have this diamond
Prices start from $4,909 SGDSave up to $5,530 SGD

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
$4,909 SGD