Cushion|Natural|GIA

1.53ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6415582061

Certificate GIA 6415582061

Diamond specifications and retailer prices

From $6,705 USD
As of November 2, 2026
Save $2,374 USD (26%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,079 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.53ct natural cushion diamond

This 1.53ct 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 6415582061. Listed at 4 retailers as of October 30, 2026, with prices from $6,705 to $9,079, a $2,374 spread on the same certified stone. 77 Diamonds lists it at $9,079. 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

1.53
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6415582061
Dimensions6.82 × 6.46 × 4.41 mm
L/W Ratio1.06
Top View
6.82 mm6.46 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415582061
Side View
Table 70.0%CrownGirdlePavilionCuletDepth 68.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $9,079 USD|Low: $6,636 USD|High: $9,138 USD|Avg: $7,878 USD|+1.8%
77 Diamonds
Retailer 2
October 30, 2026
Retailer 2$6,705 USD
77 Diamonds$9,079 USD

33 data points across 2 retailers

4 retailers$6,705 USD to $9,079 USD

B
Cheapest Retailer
-
$6,705 USD
B
Retailer 2
-
$6,978 USD
View
B
Retailer 3
-
$7,149 USD
A$10,998 AUD
View
Most Expensive
B
77 Diamonds
CUSMBDEFZQW8X · Oct 30
$9,079 USD
£7,149 GBP
View
3 more retailers have this diamond
Prices start from $6,705 USDSave up to $2,374 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
1.53ct Cushion
$6,705 USD