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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 $17,777 NZD
As of November 4, 2026
Save $13,654 NZD (43%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $33,632 NZD 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 26 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: $21,452 NZD|Low: $17,777 NZD|High: $31,893 NZD|Avg: $24,044 NZD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 6$17,777 NZD
Retailer 8$20,178 NZD
Retailer 2$20,923 NZD
Retailer 1$21,452 NZD
Retailer 7$21,941 NZD
Retailer 9$22,197 NZD
Retailer 4$24,163 NZD
Retailer 3$29,440 NZD
Retailer 5$31,431 NZD

45 data points across 9 retailers

26 retailers$17,777 NZD to $31,431 NZD

B+
Cheapest Retailer
-
$17,777 NZD
B
Retailer 2
-
$18,394 NZD
View
B
Retailer 3
-
$18,724 NZD
View
B
Retailer 4
-
$19,305 NZD
View
B
Retailer 5
-
$19,906 NZD
View
B
Retailer 6
-
$20,178 NZD
View
Final sale: no returns
Retailer 7
-
$20,180 NZD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$20,348 NZD
View
Retailer 9
-
$20,923 NZD
View
B
Retailer 10
-
$21,452 NZD
View
Retailer 11
-
$21,861 NZD
View
Price last confirmed 61 days ago
B
Retailer 12
-
$21,861 NZD
View
Retailer 13
-
$21,941 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$22,197 NZD
View
B
Retailer 15
-
$23,505 NZD
View
B
Retailer 16
-
$23,505 NZD
View
B
Retailer 17
-
$23,999 NZD
View
B
Retailer 18
-
$24,143 NZD
View
B
Retailer 19
-
$24,163 NZD
View
B
Retailer 20
-
$24,163 NZD
View
Retailer 21
-
$25,224 NZD
View
Price last confirmed 61 days ago
B
Retailer 22
-
$25,224 NZD
View
B
Retailer 23
-
$26,247 NZD
View
B
Retailer 24
-
$29,440 NZD
View
B
Retailer 25
-
$31,431 NZD
View
Most Expensive
NZ Jewellers
7f9ca973-d8f3-4be9-8a63-3f44c0431184 · Nov 5
$33,632 NZD
$18,644 USD
View
Price under review
25 more retailers have this diamond
Prices start from $17,777 NZDSave up to $13,654 NZD

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
$17,777 NZD