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Cushion|Natural|GIA

0.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6502986341

Certificate GIA 6502986341

Diamond specifications and retailer prices

From $597 AUD
As of November 6, 2026
Save $946 AUD (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,543 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded D 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 6502986341. Listed at 10 retailers as of November 6, 2026, with prices from $597 to $1,543, a $946 spread on the same certified stone. Do Amore Diamonds lists it at $1,543. 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

0.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6502986341
Dimensions4.52 × 4.42 × 2.97 mm
L/W Ratio1.02
Top View
4.52 mm4.42 mm0.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6502986341
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,543 AUD|Low: $492 AUD|High: $1,703 AUD|Avg: $792 AUD|-9.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$550 AUD
Retailer 7$569 AUD
Retailer 6$597 AUD
Retailer 3$608 AUD
Retailer 9$683 AUD
Retailer 8$760 AUD
Retailer 2$779 AUD
Retailer 4$815 AUD
Retailer 11$815 AUD
Retailer 5$844 AUD
Do Amore Diamonds$1,543 AUD

41 data points across 11 retailers

10 retailers$597 AUD to $1,543 AUD

Retailer 1
-
$550 AUD
Price last confirmed 12 days ago
A
Retailer 2
-
$597 AUD
View
A
Retailer 3
-
$608 AUD
View
Retailer 4
-
$683 AUD
View
Price last confirmed 10 days ago
Retailer 5
-
$760 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$779 AUD
View
Retailer 7
-
$815 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
$815 AUD
View
Price last confirmed 10 days ago
Retailer 9
-
$844 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
12-100760658646 · Nov 6
$1,543 AUD
$1,060 USD
View
9 more retailers have this diamond
Prices start from $597 AUDSave up to $946 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.

A
0.51ct Cushion
$597 AUD