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Round|Natural|GIA

1.25ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 1548168345

Certificate GIA 1548168345

Diamond specifications and retailer prices

From $1,195 USD
As of November 4, 2026
Save $2,440 USD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,635 USD 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548168345. Listed at 12 retailers as of November 4, 2026, with prices from $1,195 to $3,635, a $2,440 spread on the same certified stone. NZ Jewellers lists it at $3,635. 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
M
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1548168345
Dimensions6.81 × 6.86 × 4.27 mm
L/W Ratio1.01
Cert comments
Additional twinning wisps, pinpoints, internal graining and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal
Top View
6.81 mm6.86 mm1.25 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1548168345
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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 4
Current: $3,635 USD|Low: $1,195 USD|High: $5,633 USD|Avg: $2,257 USD
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
Retailer 14
November 6, 2026
Retailer 9$1,195 USD
Retailer 12$1,251 USD
Retailer 4$1,350 USD
Retailer 13$1,350 USD
Retailer 3$1,412 USD
Retailer 11$1,432 USD
Retailer 14$1,460 USD
Retailer 2$1,465 USD
Retailer 10$1,558 USD
Retailer 8$1,819 USD
Retailer 7$2,059 USD
Retailer 6$2,407 USD
NZ Jewellers$3,635 USD
Retailer 5$5,633 USD

19 data points across 14 retailers

12 retailers$1,195 USD to $3,635 USD

A
Cheapest Retailer
-
$1,195 USD
A
Retailer 2
-
$1,251 USD
View
Retailer 3
-
$1,350 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,350 USD
View
A
Retailer 5
-
$1,412 USD
View
A
Retailer 6
-
$1,432 USD
View
B+
Retailer 7
-
$1,460 USD
View
A
Retailer 8
-
$1,465 USD
View
B+
Retailer 9
-
$1,558 USD
View
B+
Retailer 10
-
$1,819 USD
View
B+
Retailer 11
-
$2,059 USD
View
Most Expensive
C
NZ Jewellers
da9be6db-bdfb-48aa-a6fa-94ccf466ae26 · Nov 5
$3,635 USD
View
11 more retailers have this diamond
Prices start from $1,195 USDSave up to $2,440 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.

A
1.25ct Round
$1,195 USD