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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2225951226

Certificate GIA 2225951226

Diamond specifications and retailer prices

From $3,686 USD
£2,902 GBP
As of November 1, 2026
Save $2,249 USD (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,935 USD at MOH London · As of November 1, 2026
View at MOH London

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 2225951226. Listed at 3 retailers as of November 1, 2026, with prices from $3,686 to $5,935, a $2,249 spread on the same certified stone. MOH London lists it at $5,935. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2225951226
Dimensions6.87 × 6.84 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal
Top View
6.87 mm6.84 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225951226
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,935 USD|Low: $2,729 USD|High: $5,935 USD|Avg: $3,584 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$2,729 USD
Retailer 6$3,150 USD
Retailer 7$3,333 USD
Retailer 8$3,524 USD
Retailer 3$3,686 USD
Retailer 2$3,894 USD
Retailer 5$4,303 USD
MOH London$5,935 USD

81 data points across 8 retailers

3 retailers$3,686 USD to $5,935 USD

B
Cheapest Retailer
-
$3,686 USD
£2,902 GBP
B
Retailer 2
-
$3,894 USD
€3,709 EUR
View
Most Expensive
C
MOH London
3400675A7 · Nov 1
$5,935 USD
£4,673 GBP
View
2 more retailers have this diamond
Prices start from $3,686 USDSave up to $2,249 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
$3,686 USD