Round|Natural|GIA

1.25ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6545750062

Certificate GIA 6545750062

Diamond specifications and retailer prices

From $3,684 USD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $6,160 USD at NZ Jewellers · As of October 27, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545750062. Listed at 7 retailers as of November 5, 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6545750062
Dimensions6.81 × 6.85 × 4.27 mm
L/W Ratio1.01
Top View
6.81 mm6.85 mm1.25 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545750062
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $6,160 USD|Low: $3,213 USD|High: $6,160 USD|Avg: $4,142 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 2$3,232 USD
Retailer 5$3,284 USD
Retailer 6$3,536 USD
Retailer 4$3,672 USD
Retailer 7$3,684 USD
Retailer 9$3,968 USD
Retailer 10$4,125 USD
Retailer 8$4,321 USD
Retailer 3$5,920 USD
NZ Jewellers$6,160 USD

18 data points across 10 retailers

7 retailers

Retailer 1
-
$3,232 USD
Price last confirmed 9 days ago
Retailer 2
-
$3,284 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$3,536 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$3,672 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$3,684 USD
View
Retailer 6
-
$5,920 USD
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
aa7a0de9-9b86-4830-a61e-7ab6f33ad2a6 · Oct 27
$6,160 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $3,684 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
$3,684 USD