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Round|Natural|GIA

1.00ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6552212053

Certificate GIA 6552212053

Diamond specifications and retailer prices

From $3,491 AUD
As of November 5, 2026
Save $4,524 AUD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,015 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552212053. Listed at 23 retailers as of November 5, 2026, with prices from $3,491 to $8,015, a $4,524 spread on the same certified stone. NZ Jewellers lists it at $8,015. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552212053
Dimensions6.38 × 6.40 × 3.95 mm
L/W Ratio1.00
Top View
6.38 mm6.40 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552212053
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.8%

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 5
Current: $8,015 AUD|Low: $3,491 AUD|High: $8,457 AUD|Avg: $4,810 AUD|-4.0%
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 22$3,491 AUD
Retailer 12$3,657 AUD
Retailer 10$3,664 AUD
Retailer 6$3,733 AUD
Retailer 11$3,778 AUD
Retailer 15$3,836 AUD
Retailer 19$3,847 AUD
Retailer 17$3,853 AUD
Retailer 5$4,168 AUD
Retailer 14$4,216 AUD
Retailer 9$4,328 AUD
Retailer 3$4,543 AUD
Retailer 8$4,543 AUD
Retailer 13$4,685 AUD
Retailer 2$4,697 AUD
Retailer 16$4,731 AUD
Retailer 20$4,810 AUD
Retailer 18$5,043 AUD
Retailer 4$5,457 AUD
Retailer 21$5,615 AUD
Retailer 7$7,761 AUD
NZ Jewellers$8,015 AUD

23 data points across 22 retailers

23 retailers$3,491 AUD to $8,015 AUD

A
Cheapest Retailer
-
$3,491 AUD
A
Retailer 2
-
$3,657 AUD
View
A
Retailer 3
-
$3,664 AUD
View
A
Retailer 4
-
$3,733 AUD
View
A
Retailer 5
-
$3,778 AUD
View
A
Retailer 6
-
$3,836 AUD
View
A
Retailer 7
-
$3,847 AUD
View
Final sale: no returns
A
Retailer 8
-
$3,853 AUD
View
A
Retailer 9
-
$4,168 AUD
View
Retailer 10
-
$4,216 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$4,328 AUD
View
A
Retailer 12
-
$4,543 AUD
View
A
Retailer 13
-
$4,543 AUD
View
B+
Retailer 14
-
$4,685 AUD
View
B+
Retailer 15
-
$4,697 AUD
View
B+
Retailer 16
-
$4,731 AUD
View
B+
Retailer 17
-
$4,810 AUD
View
B+
Retailer 18
-
$5,043 AUD
View
Retailer 19
-
$5,364 AUD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$5,457 AUD
View
B+
Retailer 21
-
$5,615 AUD
View
B
Retailer 22
-
$7,761 AUD
View
Most Expensive
B
NZ Jewellers
bde55d89-2d88-488f-861d-e68e802678a4 · Nov 5
$8,015 AUD
$5,611 USD
View
22 more retailers have this diamond
Prices start from $3,491 AUDSave up to $4,524 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 Round
$3,491 AUD