Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 3555658587

Certificate GIA 3555658587

Diamond specifications and retailer prices

From $3,093 NZD
$1,740 USD
As of November 1, 2026
Save $2,749 NZD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,842 NZD at MOH London · As of November 2, 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 3555658587. Listed at 7 retailers as of November 1, 2026, with prices from $3,093 to $5,842, a $2,749 spread on the same certified stone. MOH London lists it at $5,842. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555658587
Dimensions6.86 × 6.89 × 4.23 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.86 mm6.89 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555658587
Side View
Table 60.0%Crown 35.5°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,842 NZD|Low: $3,093 NZD|High: $6,390 NZD|Avg: $4,044 NZD|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$3,093 NZD
Retailer 5$3,345 NZD
Retailer 2$3,494 NZD
Retailer 8$3,537 NZD
Retailer 3$3,635 NZD
Retailer 7$3,654 NZD
Retailer 4$4,533 NZD
MOH London$5,842 NZD

41 data points across 8 retailers

7 retailers$3,093 NZD to $5,842 NZD

A
Cheapest Retailer
-
$3,093 NZD
$1,740 USD
A
Retailer 2
-
$3,345 NZD
$1,882 USD
View
A
Retailer 3
-
$3,494 NZD
$1,966 USD
View
A
Retailer 4
-
$3,635 NZD
£1,610 GBP
View
A
Retailer 5
-
$3,654 NZD
$2,056 USD
View
B+
Retailer 6
-
$4,533 NZD
€2,429 EUR
View
Most Expensive
B
MOH London
75CC8F013 · Nov 2
$5,842 NZD
£2,588 GBP
View
6 more retailers have this diamond
Prices start from $3,093 NZDSave up to $2,749 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.

A
1.25ct Round
$3,093 NZD