Round|Natural|GIA

1.25ct I IF Round Natural Diamond

EX • I/IF • GIA 2121589782

Certificate GIA 2121589782

Diamond specifications and retailer prices

From $9,925 USD
As of November 1, 2026
Save $7,546 USD (43%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $18,644 USD at NZ Jewellers · As of November 2, 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 1, 2026, with a 76% 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
Color
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 1
Current: $13,446 USD|Low: $9,925 USD|High: $17,681 USD|Avg: $13,113 USD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$9,925 USD
Retailer 10$10,703 USD
Retailer 8$11,186 USD
Retailer 3$12,010 USD
Retailer 6$12,164 USD
Retailer 9$12,305 USD
Retailer 2$13,384 USD
Retailer 1$13,446 USD
Retailer 5$16,434 USD
Retailer 4$17,471 USD

43 data points across 10 retailers

25 retailers$9,925 USD to $17,471 USD

B+
Cheapest Retailer
-
$9,925 USD
B
Retailer 2
-
$10,197 USD
View
B
Retailer 3
-
$10,380 USD
View
B
Retailer 4
-
$10,703 USD
CA$14,865 CAD
View
B
Retailer 5
-
$11,035 USD
View
B
Retailer 6
-
$11,186 USD
View
Final sale: no returns
B
Retailer 7
-
$11,187 USD
View
B
Retailer 8
-
$11,280 USD
View
B
Retailer 9
-
$12,010 USD
£9,457 GBP
View
Retailer 10
-
$12,119 USD
View
Price last confirmed 56 days ago
B
Retailer 11
-
$12,119 USD
View
Retailer 12
-
$12,164 USD
A$18,713 AUD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$12,305 USD
View
B
Retailer 14
-
$13,030 USD
View
B
Retailer 15
-
$13,030 USD
View
B
Retailer 16
-
$13,305 USD
View
B
Retailer 17
-
$13,384 USD
View
B
Retailer 18
-
$13,396 USD
£10,548 GBP
View
B
Retailer 19
-
$13,446 USD
€12,806 EUR
View
Retailer 20
-
$13,983 USD
View
Price last confirmed 56 days ago
B
Retailer 21
-
$13,983 USD
View
B
Retailer 22
-
$14,550 USD
View
B
Retailer 23
-
$16,434 USD
ZAR 265,500 ZAR
View
B
Retailer 24
-
$17,471 USD
£13,757 GBP
View
Most Expensive
NZ Jewellers
7f9ca973-d8f3-4be9-8a63-3f44c0431184 · Nov 2
$18,644 USD
View
Price under review
24 more retailers have this diamond
Prices start from $9,925 USDSave up to $7,546 USD

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
$9,925 USD