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Round|Natural|GIA

1.31ct D IF Round Natural Diamond

EX • D/IF • GIA 6551801306

Certificate GIA 6551801306

Diamond specifications and retailer prices

From $14,542 AUD
€9,740 EUR
As of October 29, 2026
Save $17,373 AUD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $31,915 AUD at Brilliance · As of October 28, 2026
View at Brilliance

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6551801306. Listed at 9 retailers as of October 28, 2026, with prices from $14,542 to $31,915, a $17,373 spread on the same certified stone. Brilliance lists it at $31,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551801306
Dimensions6.92 × 6.97 × 4.31 mm
L/W Ratio1.01
Top View
6.92 mm6.97 mm1.31 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551801306
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $31,915 AUD|Low: $12,595 AUD|High: $31,915 AUD|Avg: $17,680 AUD
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 3$12,595 AUD
Retailer 5$14,097 AUD
Retailer 2$14,542 AUD
Retailer 9$14,704 AUD
Retailer 6$14,983 AUD
Retailer 7$15,190 AUD
Retailer 4$17,171 AUD
Retailer 8$17,277 AUD
Retailer 13$17,434 AUD
Retailer 10$18,241 AUD
Retailer 11$22,546 AUD
Retailer 12$23,932 AUD
Brilliance$31,915 AUD

33 data points across 13 retailers

9 retailers$14,542 AUD to $31,915 AUD

A+
Retailer 1
-
$14,097 AUD
SGD 13,398 SGD
Price last confirmed 17 days ago
A
Retailer 2
-
$14,542 AUD
€9,740 EUR
View
A+
Retailer 3
-
$14,704 AUD
$10,341 USD
View
Retailer 4
-
$14,751 AUD
View
A
Retailer 5
-
$14,983 AUD
$10,537 USD
View
A+
Retailer 6
-
$15,190 AUD
£8,412 GBP
View
A
Retailer 7
-
$17,171 AUD
$12,076 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$17,277 AUD
€11,572 EUR
View
Price last confirmed 6 days ago
Most Expensive
B
Brilliance
D46495107 · Oct 28
$31,915 AUD
$22,445 USD
View
8 more retailers have this diamond
Prices start from $14,542 AUDSave up to $17,373 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+
1.31ct Round
$14,542 AUD