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Cushion|Natural|GIA

1.01ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1549998077

Certificate GIA 1549998077

Diamond specifications and retailer prices

From $2,310 AUD
As of November 6, 2026
Save $3,069 AUD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,379 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion sits in the classic one-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 1549998077. Listed at 7 retailers as of November 4, 2026, with prices from $2,310 to $5,379, a $3,069 spread on the same certified stone. MOH London lists it at $5,379. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549998077
Dimensions5.80 × 5.61 × 3.90 mm
L/W Ratio1.03
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
5.80 mm5.61 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549998077
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,379 AUD|Low: $2,291 AUD|High: $5,989 AUD|Avg: $3,427 AUD|-9.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$2,310 AUD
Retailer 2$2,316 AUD
Retailer 6$2,455 AUD
Retailer 5$2,877 AUD
Retailer 7$3,422 AUD
Retailer 3$3,832 AUD
MOH London$5,379 AUD

45 data points across 7 retailers

7 retailers$2,310 AUD to $5,379 AUD

A
Cheapest Retailer
-
$2,310 AUD
A
Retailer 2
-
$2,316 AUD
View
A
Retailer 3
-
$2,455 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,877 AUD
View
Retailer 5
-
$3,422 AUD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$3,832 AUD
View
Most Expensive
B
MOH London
279B145BC · Nov 4
$5,379 AUD
£2,910 GBP
View
6 more retailers have this diamond
Prices start from $2,310 AUDSave up to $3,069 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
1.01ct Cushion
$2,310 AUD