Cushion|Natural|GIA

1.60ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6455423351

Certificate GIA 6455423351

Diamond specifications and retailer prices

From $5,057 USD
As of October 30, 2026
Save $1,623 USD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,680 USD at Jared · As of October 30, 2026
View at Jared

About this 1.6ct natural cushion diamond

This 1.6ct natural cushion sits in the one-and-a-half to two carat band, graded J 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 6455423351. Listed at 8 retailers as of October 30, 2026, with prices from $5,057 to $6,680, a $1,623 spread on the same certified stone. Jared lists it at $6,680. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6455423351
Dimensions7.28 × 6.31 × 4.34 mm
L/W Ratio1.15
Top View
7.28 mm6.31 mm1.60 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6455423351
Side View
Table 62.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 68.7%

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 30
Current: $6,680 USD|Low: $4,638 USD|High: $6,715 USD|Avg: $6,198 USD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4$5,300 USD
Retailer 5$6,057 USD
Retailer 3$6,581 USD
Retailer 2$6,671 USD
Jared$6,680 USD

40 data points across 5 retailers

8 retailers$5,057 USD to $6,680 USD

B+
Cheapest Retailer
-
$5,057 USD
B
Retailer 2
-
$5,300 USD
View
Final sale: no returns
B
Retailer 3
-
$6,057 USD
View
B
Retailer 4
-
$6,470 USD
View
B
Retailer 5
-
$6,470 USD
View
B
Retailer 6
-
$6,581 USD
€6,268 EUR
View
B
Retailer 7
-
$6,671 USD
£5,253 GBP
View
Most Expensive
B
Jared
147269819 · Oct 30
$6,680 USD
View
7 more retailers have this diamond
Prices start from $5,057 USDSave up to $1,623 USD

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
$5,057 USD