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Round|Natural|GIA

1.22ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1553004979

Certificate GIA 1553004979

Diamond specifications and retailer prices

From $6,389 AUD
$4,488 USD
As of October 30, 2026
Save $5,862 AUD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,252 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.22ct natural round diamond

This 1.22ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553004979. Listed at 10 retailers as of October 30, 2026, with prices from $6,389 to $12,252, a $5,862 spread on the same certified stone. NZ Jewellers lists it at $12,252. 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

1.22
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553004979
Dimensions6.79 × 6.82 × 4.24 mm
L/W Ratio1.00
Top View
6.79 mm6.82 mm1.22 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553004979
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,252 AUD|Low: $6,876 AUD|High: $12,252 AUD|Avg: $8,570 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$6,899 AUD
Retailer 2$7,265 AUD
Retailer 7$7,324 AUD
Retailer 9$7,324 AUD
Retailer 6$8,018 AUD
Retailer 3$8,289 AUD
Retailer 8$8,452 AUD
Retailer 10$8,716 AUD
Retailer 5$11,448 AUD
NZ Jewellers$12,252 AUD

31 data points across 10 retailers

10 retailers$6,389 AUD to $12,252 AUD

B+
Cheapest Retailer
-
$6,389 AUD
$4,488 USD
B+
Retailer 2
-
$6,899 AUD
£3,816 GBP
View
B+
Retailer 3
-
$7,265 AUD
£4,018 GBP
View
B+
Retailer 4
-
$7,324 AUD
$5,145 USD
View
B+
Retailer 5
-
$7,324 AUD
$5,145 USD
View
B+
Retailer 6
-
$8,018 AUD
£4,435 GBP
View
B+
Retailer 7
-
$8,289 AUD
€5,545 EUR
View
B
Retailer 8
-
$8,452 AUD
$5,937 USD
View
B
Retailer 9
-
$11,448 AUD
£6,332 GBP
View
Most Expensive
B
NZ Jewellers
c93e1304-31ef-4ffb-a45f-7032c7fa33c4 · Oct 30
$12,252 AUD
$8,606 USD
View
9 more retailers have this diamond
Prices start from $6,389 AUDSave up to $5,862 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+
1.22ct Round
$6,389 AUD