Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7548907409

Certificate GIA 7548907409

Diamond specifications and retailer prices

From $2,667 AUD
HK$14,600 HKD
As of November 1, 2026
Save $3,658 AUD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,324 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 7548907409. Listed at 15 retailers as of October 29, 2026, with prices from $2,667 to $6,324, a $3,658 spread on the same certified stone. MOH London lists it at $6,324. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548907409
Dimensions7.39 × 5.25 × 3.41 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Top View
7.39 mm5.25 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548907409
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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 1
Current: $6,324 AUD|Low: $2,648 AUD|High: $6,536 AUD|Avg: $3,973 AUD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 2$2,667 AUD
Retailer 10$2,791 AUD
Retailer 12$3,149 AUD
Retailer 6$3,245 AUD
Retailer 15$3,313 AUD
Retailer 13$3,560 AUD
Retailer 14$3,592 AUD
Retailer 4$3,716 AUD
Retailer 3$3,779 AUD
Retailer 8$3,826 AUD
Retailer 7$4,130 AUD
Retailer 5$4,139 AUD
Retailer 11$4,373 AUD
Retailer 9$4,477 AUD
MOH London$6,324 AUD

31 data points across 15 retailers

15 retailers$2,667 AUD to $6,324 AUD

A
Cheapest Retailer
-
$2,667 AUD
HK$14,600 HKD
A
Retailer 2
-
$2,791 AUD
₹186,304 INR
View
A
Retailer 3
-
$3,149 AUD
$2,207 USD
View
B+
Retailer 4
-
$3,245 AUD
$2,274 USD
View
B+
Retailer 5
-
$3,313 AUD
$2,322 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,560 AUD
$2,495 USD
View
B+
Retailer 7
-
$3,592 AUD
$2,517 USD
View
B+
Retailer 8
-
$3,716 AUD
SGD 3,519 SGD
View
B+
Retailer 9
-
$3,779 AUD
$2,648 USD
View
B+
Retailer 10
-
$3,826 AUD
£2,111 GBP
View
Retailer 11
-
$4,130 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$4,139 AUD
$2,900 USD
View
B+
Retailer 13
-
$4,373 AUD
ZAR 49,507 ZAR
View
B+
Retailer 14
-
$4,477 AUD
€2,988 EUR
View
Most Expensive
B
MOH London
131A81AEE · Oct 29
$6,324 AUD
£3,490 GBP
View
14 more retailers have this diamond
Prices start from $2,667 AUDSave up to $3,658 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
1.00ct Cushion
$2,667 AUD