Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2245008602

Certificate GIA 2245008602

Diamond specifications and retailer prices

From $2,235 USD
As of October 22, 2026
12 retailers carry this diamond
Most expensive: $5,329 USD at NZ Jewellers · As of October 23, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245008602. Listed at 12 retailers as of October 22, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245008602
Dimensions6.82 × 6.85 × 4.30 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.82 mm6.85 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245008602
Side View
Table 57.0%Crown 35.5°GirdlePavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 22
Current: $5,329 USD|Low: $2,197 USD|High: $5,556 USD|Avg: $3,067 USD|-4.1%
NZ Jewellers
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 24, 2026
Retailer 9$2,235 USD
Retailer 12$2,303 USD
Retailer 13$2,352 USD
Retailer 6$2,455 USD
Retailer 8$2,549 USD
Retailer 11$2,549 USD
Retailer 7$2,645 USD
Retailer 10$2,667 USD
Retailer 5$2,668 USD
Retailer 4$2,941 USD
Retailer 2$3,165 USD
Retailer 3$4,413 USD
NZ Jewellers$5,329 USD

27 data points across 13 retailers

12 retailers$2,235 USD to $5,329 USD

Retailer 1
-
$2,235 USD
Price last confirmed 8 days ago
Retailer 2
-
$2,303 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$2,455 USD
£1,933 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
$2,549 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$2,549 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$2,645 USD
£2,083 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
$2,667 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$2,668 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$2,941 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,165 USD
€3,014 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$4,413 USD
£3,475 GBP
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
a2b6053c-5ed6-4ce0-a050-7f60b35b719e · Oct 23
$5,329 USD
View
Price last confirmed 8 days ago
11 more retailers have this diamond

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
$2,235 USD