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Round|Natural|GIA

1.25ct I IF Round Natural Diamond

EX • I/IF • GIA 2121589782

Certificate GIA 2121589782

Diamond specifications and retailer prices

From $14,343 AUD
As of November 4, 2026
Save $11,016 AUD (43%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $27,134 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct 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 2121589782. Listed at 25 retailers as of November 4, 2026, with a 77% 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

1.25
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2121589782
Dimensions7.01 × 6.98 × 4.22 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.01 mm6.98 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2121589782
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.3%

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: Nov 4
Current: $23,752 AUD|Low: $14,343 AUD|High: $25,731 AUD|Avg: $19,475 AUD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$14,343 AUD
Retailer 7$16,280 AUD
Retailer 2$17,308 AUD
Retailer 6$17,702 AUD
Retailer 8$17,909 AUD
Retailer 3$19,495 AUD
Retailer 1$23,752 AUD
Retailer 4$25,359 AUD

45 data points across 8 retailers

25 retailers$14,343 AUD to $25,359 AUD

B+
Cheapest Retailer
-
$14,343 AUD
B
Retailer 2
-
$14,841 AUD
View
B
Retailer 3
-
$15,107 AUD
View
B
Retailer 4
-
$15,576 AUD
View
B
Retailer 5
-
$16,060 AUD
View
B
Retailer 6
-
$16,280 AUD
View
Final sale: no returns
Retailer 7
-
$16,282 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$16,417 AUD
View
B
Retailer 9
-
$17,308 AUD
View
Retailer 10
-
$17,638 AUD
View
Price last confirmed 60 days ago
B
Retailer 11
-
$17,638 AUD
View
Retailer 12
-
$17,702 AUD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$17,909 AUD
View
B
Retailer 14
-
$18,964 AUD
View
B
Retailer 15
-
$18,964 AUD
View
B
Retailer 16
-
$19,363 AUD
View
B
Retailer 17
-
$19,479 AUD
View
B
Retailer 18
-
$19,495 AUD
View
B
Retailer 19
-
$19,495 AUD
View
Retailer 20
-
$20,351 AUD
View
Price last confirmed 60 days ago
B
Retailer 21
-
$20,351 AUD
View
B
Retailer 22
-
$21,176 AUD
View
B
Retailer 23
-
$23,752 AUD
View
B
Retailer 24
-
$25,359 AUD
View
Most Expensive
NZ Jewellers
7f9ca973-d8f3-4be9-8a63-3f44c0431184 · Nov 5
$27,134 AUD
$18,644 USD
View
Price under review
24 more retailers have this diamond
Prices start from $14,343 AUDSave up to $11,016 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+
1.25ct Round
$14,343 AUD