Cushion|Natural|GIA

1.57ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From $13,409 CAD
$9,599 USD
As of October 29, 2026
Save $3,502 CAD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,911 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.57ct natural cushion diamond

This 1.57ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of October 29, 2026, with prices from $13,409 to $16,911, a $3,502 spread on the same certified stone. Blue Nile lists it at $16,911. 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

1.57
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions6.82 × 6.38 × 4.31 mm
L/W Ratio1.07
Top View
6.82 mm6.38 mm1.57 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $16,911 CAD|Low: $13,250 CAD|High: $16,911 CAD|Avg: $14,882 CAD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$13,409 CAD
Retailer 3$14,565 CAD
Blue Nile$16,911 CAD

3 data points across 3 retailers

3 retailers$13,409 CAD to $16,911 CAD

B+
Cheapest Retailer
-
$13,409 CAD
$9,599 USD
B
Retailer 2
-
$14,565 CAD
$10,426 USD
View
Most Expensive
B
Blue Nile
285145 · Oct 29
$16,911 CAD
$12,106 USD
View
2 more retailers have this diamond
Prices start from $13,409 CADSave up to $3,502 CAD

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+
1.57ct Cushion
$13,409 CAD