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Round|Natural|GIA

1.31ct I IF Round Natural Diamond

EX • I/IF • GIA 6551801593

Certificate GIA 6551801593

Diamond specifications and retailer prices

From $9,131 AUD
As of November 2, 2026
9 retailers carry this diamond
Most expensive: $15,731 AUD at NZ Jewellers · As of October 6, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6551801593. Listed at 9 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551801593
Dimensions6.93 × 6.97 × 4.34 mm
L/W Ratio1.01
Top View
6.93 mm6.97 mm1.31 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551801593
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

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: Nov 2
Current: $7,749 AUD|Low: $6,852 AUD|High: $14,209 AUD|Avg: $8,973 AUD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 9, 2026
Retailer 4$6,852 AUD
Retailer 1$7,749 AUD
Retailer 5$7,881 AUD
Retailer 6$8,199 AUD
Retailer 7$9,131 AUD
Retailer 3$9,949 AUD
Retailer 2$13,986 AUD

20 data points across 7 retailers

9 retailers

Retailer 1
-
$6,852 AUD
HK$37,600 HKD
Price last confirmed 25 days ago
Retailer 2
-
$7,749 AUD
€5,184 EUR
View
Price last confirmed 23 days ago
Retailer 3
-
$7,881 AUD
SGD 7,481 SGD
View
Price last confirmed 24 days ago
Retailer 4
-
$8,199 AUD
$5,759 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$9,131 AUD
View
Retailer 6
-
$9,406 AUD
$6,607 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$9,619 AUD
$6,757 USD
View
Price last confirmed 33 days ago
Retailer 8
-
$13,986 AUD
£7,736 GBP
View
Price last confirmed 25 days ago
Most Expensive
NZ Jewellers
6b47ac71-56f8-4733-82d8-f0ebe76b2ee8 · Oct 6
$15,731 AUD
$11,050 USD
View
Price last confirmed 27 days ago
8 more retailers have this diamond
Prices start from $9,131 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
$9,131 AUD