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Cushion|Natural|GIA

1.60ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6442516462

Certificate GIA 6442516462

Diamond specifications and retailer prices

From $11,027 SGD
$8,626 USD
As of October 29, 2026
Save $3,857 SGD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $14,884 SGD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.6ct natural cushion diamond

This 1.6ct 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 6442516462. Listed at 3 retailers as of October 29, 2026, with prices from $11,027 to $14,884, a $3,857 spread on the same certified stone. 77 Diamonds lists it at $14,884. 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

1.60
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6442516462
Dimensions7.04 × 6.35 × 4.28 mm
L/W Ratio1.11
Top View
7.04 mm6.35 mm1.60 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6442516462
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $14,884 SGD|Low: $10,920 SGD|High: $14,960 SGD|Avg: $12,919 SGD|+1.8%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$11,027 SGD
77 Diamonds$14,884 SGD

34 data points across 2 retailers

3 retailers$11,027 SGD to $14,884 SGD

B+
Cheapest Retailer
-
$11,027 SGD
$8,626 USD
B+
Retailer 2
-
$12,095 SGD
$9,461 USD
View
Most Expensive
B
77 Diamonds
CUSZMHXPEAZK · Oct 30
$14,884 SGD
£9,168 GBP
View
2 more retailers have this diamond
Prices start from $11,027 SGDSave up to $3,857 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+
1.60ct Cushion
$11,027 SGD