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Round|Natural|GIA

1.26ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 5222301662

Certificate GIA 5222301662

Diamond specifications and retailer prices

From $6,243 AUD
£3,453 GBP
As of October 31, 2026
Save $7,530 AUD (55%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,773 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.26ct natural round diamond

This 1.26ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5222301662. Listed at 6 retailers as of October 29, 2026, with prices from $6,243 to $13,773, a $7,530 spread on the same certified stone. Diamond Quarter lists it at $13,773. 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

1.26
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5222301662
Dimensions6.94 × 6.92 × 4.28 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.94 mm6.92 mm1.26 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5222301662
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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 31
Current: $6,243 AUD|Low: $4,997 AUD|High: $9,899 AUD|Avg: $6,529 AUD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$4,997 AUD
Retailer 6$5,018 AUD
Retailer 1$6,243 AUD
Retailer 5$6,946 AUD
Retailer 2$6,949 AUD
Retailer 3$9,832 AUD

37 data points across 6 retailers

6 retailers$6,243 AUD to $13,773 AUD

Retailer 1
-
$4,997 AUD
$3,510 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$6,243 AUD
£3,453 GBP
View
Retailer 3
-
$6,946 AUD
$4,879 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$6,949 AUD
€4,649 EUR
View
B
Retailer 5
-
$9,832 AUD
£5,438 GBP
View
Most Expensive
B
Diamond Quarter
1.26SI2G5262B4DBN · Oct 29
$13,773 AUD
£7,618 GBP
View
5 more retailers have this diamond
Prices start from $6,243 AUDSave up to $7,530 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+
1.26ct Round
$6,243 AUD