CaratHunter
Plans
Cushion|Natural|GIA

1.57ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1189041723

Certificate GIA 1189041723

Diamond specifications and retailer prices

From $7,685 SGD
A$9,245 AUD
As of October 29, 2026
Save $3,620 SGD (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,305 SGD at Jared · As of November 2, 2026
View at Jared

About this 1.57ct natural cushion diamond

This 1.57ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1189041723. Listed at 8 retailers as of October 29, 2026, with prices from $7,685 to $11,305, a $3,620 spread on the same certified stone. Jared lists it at $11,305. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1189041723
Dimensions7.09 × 6.68 × 4.34 mm
L/W Ratio1.06
Culet sizeNone
Top View
7.09 mm6.68 mm1.57 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1189041723
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.0%

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: $11,305 SGD|Low: $8,217 SGD|High: $11,305 SGD|Avg: $10,372 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$8,217 SGD
Retailer 3$9,927 SGD
Retailer 5$10,258 SGD
Retailer 6$10,935 SGD
Retailer 7$10,935 SGD
Retailer 2$11,125 SGD
Jared$11,305 SGD

41 data points across 7 retailers

8 retailers$7,685 SGD to $11,305 SGD

B+
Cheapest Retailer
-
$7,685 SGD
A$9,245 AUD
Retailer 2
-
$8,217 SGD
$6,425 USD
View
Price last confirmed 15 days ago
B
Retailer 3
-
$9,927 SGD
£6,112 GBP
View
B
Retailer 4
-
$10,258 SGD
$8,021 USD
View
B
Retailer 5
-
$10,935 SGD
$8,550 USD
View
B
Retailer 6
-
$10,935 SGD
$8,550 USD
View
B
Retailer 7
-
$11,125 SGD
€8,285 EUR
View
Most Expensive
B
Jared
146353184 · Nov 2
$11,305 SGD
$8,840 USD
View
7 more retailers have this diamond
Prices start from $7,685 SGDSave up to $3,620 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.

B+
1.57ct Cushion
$7,685 SGD