Round|Natural|GIA

1.25ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6475249857

Certificate GIA 6475249857

Diamond specifications and retailer prices

From $4,244 USD
As of November 6, 2026
Save $619 USD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,863 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6475249857. Listed at 4 retailers as of November 6, 2026, with a relatively tight 15% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6475249857
Dimensions6.86 × 6.91 × 4.29 mm
L/W Ratio1.01
Top View
6.86 mm6.91 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6475249857
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $4,863 USD|Low: $4,244 USD|High: $4,943 USD|Avg: $4,573 USD|+0.8%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$4,244 USD
77 Diamonds$4,863 USD

36 data points across 2 retailers

4 retailers$4,244 USD to $4,863 USD

B+
Cheapest Retailer
-
$4,244 USD
Retailer 2
-
$4,244 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$4,244 USD
View
Price last confirmed 16 days ago
Most Expensive
B
77 Diamonds
RBMB2EAQURF8 · Nov 6
$4,863 USD
£3,829 GBP
View
3 more retailers have this diamond
Prices start from $4,244 USDSave up to $619 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
$4,244 USD