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Cushion|Natural|GIA

0.61ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 5221800231

Certificate GIA 5221800231

Diamond specifications and retailer prices

From $952 AUD
$667 USD
As of October 30, 2026
Save $637 AUD (40%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,589 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.61ct natural cushion diamond

This 0.61ct natural cushion sits in the half to three-quarter 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 5221800231. Listed at 3 retailers as of October 30, 2026, with prices from $952 to $1,589, a $637 spread on the same certified stone. 77 Diamonds lists it at $1,589. 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

0.61
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221800231
Dimensions4.90 × 4.53 × 3.36 mm
L/W Ratio1.08
Top View
4.90 mm4.53 mm0.61 ctI / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryFair
FluorescenceNone
CertificateGIA 5221800231
Side View
Table 69.0%CrownGirdle: VTN-ETKPavilionCulet: NoneDepth 74.1%

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 30
Current: $1,589 AUD|Low: $977 AUD|High: $1,669 AUD|Avg: $1,409 AUD|+2.3%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$977 AUD
77 Diamonds$1,589 AUD
Retailer 3$1,669 AUD

35 data points across 3 retailers

3 retailers$952 AUD to $1,589 AUD

B+
Cheapest Retailer
-
$952 AUD
$667 USD
Retailer 2
-
$977 AUD
$685 USD
View
Price last confirmed 14 days ago
Most Expensive
B
77 Diamonds
CUSZ5ZKWHJMW · Nov 1
$1,589 AUD
£877 GBP
View
2 more retailers have this diamond
Prices start from $952 AUDSave up to $637 AUD

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+
0.61ct Cushion
$952 AUD