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Round|Natural|GIA

1.31ct D IF Round Natural Diamond

EX • D/IF • GIA 6552380192

Certificate GIA 6552380192

Diamond specifications and retailer prices

From $16,570 AUD
£9,165 GBP
As of October 30, 2026
Save $7,673 AUD (32%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $25,733 AUD at NZ Jewellers · As of September 1, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6552380192. Listed at 19 retailers as of October 29, 2026, with a 46% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552380192
Dimensions7.06 × 7.10 × 4.26 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
7.06 mm7.10 mm1.31 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552380192
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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 30
Current: $17,226 AUD|Low: $16,470 AUD|High: $24,404 AUD|Avg: $19,092 AUD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$16,570 AUD
Retailer 2$16,589 AUD
Retailer 7$16,780 AUD
Retailer 8$17,042 AUD
Retailer 1$17,226 AUD
Retailer 4$19,455 AUD
Retailer 6$22,562 AUD
Retailer 5$24,243 AUD

38 data points across 8 retailers

19 retailers$16,570 AUD to $24,243 AUD

A+
Cheapest Retailer
-
$16,570 AUD
£9,165 GBP
A+
Retailer 2
-
$16,589 AUD
£9,176 GBP
View
Retailer 3
-
$16,780 AUD
View
Price last confirmed 7 days ago
Retailer 4
-
$17,042 AUD
$11,971 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$17,042 AUD
$11,971 USD
View
Final sale: no returns
A
Retailer 6
-
$17,226 AUD
$12,100 USD
View
A
Retailer 7
-
$17,226 AUD
$12,100 USD
View
Retailer 8
-
$18,463 AUD
$12,969 USD
View
Price last confirmed 54 days ago
Retailer 9
-
$18,463 AUD
$12,969 USD
View
Price last confirmed 23 days ago
A
Retailer 10
-
$18,506 AUD
£10,236 GBP
View
Retailer 11
-
$18,746 AUD
$13,168 USD
View
Price last confirmed 32 days ago
A
Retailer 12
-
$19,455 AUD
€13,015 EUR
View
Retailer 13
-
$21,303 AUD
$14,964 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$21,303 AUD
$14,964 USD
View
Price last confirmed 62 days ago
Retailer 15
-
$21,303 AUD
$14,964 USD
View
Price last confirmed 53 days ago
B+
Retailer 16
-
$22,562 AUD
ZAR 256,036 ZAR
View
B+
Retailer 17
-
$24,243 AUD
£13,409 GBP
View
Retailer 18
-
$25,733 AUD
$18,076 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
432886c8-db97-49fb-b965-32c1d4080a8a · Sep 1
$25,733 AUD
$18,076 USD
View
Price last confirmed 60 days ago
18 more retailers have this diamond
Prices start from $16,570 AUDSave up to $7,673 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
$16,570 AUD