Round|Natural|GIA

1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6492761584

Certificate GIA 6492761584

Diamond specifications and retailer prices

From $6,400 AUD
CA$6,244 CAD
As of October 30, 2026
Save $1,143 AUD (15%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,176 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct 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 6492761584. Listed at 14 retailers as of October 30, 2026, with a relatively tight 18% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.31
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492761584
Dimensions6.96 × 6.91 × 4.32 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.96 mm6.91 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492761584
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,176 AUD|Low: $4,845 AUD|High: $12,176 AUD|Avg: $7,384 AUD
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
October 31, 2026
Retailer 12$4,845 AUD
Retailer 14$5,571 AUD
Retailer 3$5,642 AUD
Retailer 19$5,659 AUD
Retailer 4$6,294 AUD
Retailer 6$6,331 AUD
Retailer 16$6,331 AUD
Retailer 20$6,331 AUD
Retailer 8$6,400 AUD
Retailer 15$6,524 AUD
Retailer 7$6,645 AUD
Retailer 13$6,928 AUD
Retailer 18$7,306 AUD
Retailer 9$7,383 AUD
Retailer 2$7,543 AUD
Retailer 5$7,716 AUD
Retailer 11$8,509 AUD
Retailer 10$10,522 AUD
Retailer 17$11,265 AUD
NZ Jewellers$12,176 AUD

13 data points across 20 retailers

14 retailers$6,400 AUD to $7,543 AUD

Retailer 1
-
$5,571 AUD
$3,913 USD
Price last confirmed 27 days ago
Retailer 2
-
$5,659 AUD
$3,975 USD
View
Price last confirmed 27 days ago
Retailer 3
-
$6,331 AUD
$4,447 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$6,331 AUD
$4,447 USD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$6,400 AUD
CA$6,244 CAD
View
Retailer 6
-
$6,524 AUD
£3,609 GBP
View
Price last confirmed 33 days ago
B+
Retailer 7
-
$6,645 AUD
$4,668 USD
View
Retailer 8
-
$7,306 AUD
$5,132 USD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$7,383 AUD
$5,186 USD
View
B+
Retailer 10
-
$7,543 AUD
€5,046 EUR
View
Retailer 11
-
$7,716 AUD
$5,420 USD
View
Price last confirmed 28 days ago
Retailer 12
-
$10,522 AUD
$7,391 USD
View
Price last confirmed 27 days ago
Retailer 13
-
$11,265 AUD
£6,231 GBP
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
54e48c2c-035c-4072-9c9c-46bc82058176 · Sep 28
$12,176 AUD
$8,553 USD
View
Price last confirmed 35 days ago
13 more retailers have this diamond
Prices start from $6,400 AUDSave up to $1,143 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+
1.31ct Round
$6,400 AUD