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Cushion|Natural|GIA

1.57ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1189041723

Certificate GIA 1189041723

Diamond specifications and retailer prices

From HK$47,149 HKD
A$9,245 AUD
As of October 29, 2026
Save HK$22,211 HKD (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$69,360 HKD 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 HK$47,149 to HK$69,360, a HK$22,211 spread on the same certified stone. Jared lists it at HK$69,360. 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: HK$69,360 HKD|Low: HK$50,411 HKD|High: HK$69,360 HKD|Avg: HK$63,626 HKD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4HK$50,411 HKD
Retailer 3HK$60,905 HKD
Retailer 5HK$62,934 HKD
Retailer 6HK$67,084 HKD
Retailer 7HK$67,084 HKD
Retailer 2HK$68,255 HKD
JaredHK$69,360 HKD

42 data points across 7 retailers

8 retailersHK$47,149 HKD to HK$69,360 HKD

B+
Cheapest Retailer
-
HK$47,149 HKD
A$9,245 AUD
Retailer 2
-
HK$50,411 HKD
$6,425 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
HK$60,905 HKD
£6,112 GBP
View
B
Retailer 4
-
HK$62,934 HKD
$8,021 USD
View
B
Retailer 5
-
HK$67,084 HKD
$8,550 USD
View
B
Retailer 6
-
HK$67,084 HKD
$8,550 USD
View
B
Retailer 7
-
HK$68,255 HKD
€8,285 EUR
View
Most Expensive
B
Jared
146353184 · Nov 2
HK$69,360 HKD
$8,840 USD
View
7 more retailers have this diamond
Prices start from HK$47,149 HKDSave up to HK$22,211 HKD

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
HK$47,149 HKD