Round|Natural|GIA

1.25ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1568376765

Certificate GIA 1568376765

Diamond specifications and retailer prices

From $4,440 USD
As of November 6, 2026
Save $647 USD (13%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,087 USD at 77 Diamonds · As of November 5, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568376765. Listed at 3 retailers as of November 5, 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1568376765
Dimensions6.80 × 6.84 × 4.28 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Indented Natural
Top View
6.80 mm6.84 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1568376765
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°CuletDepth 62.8%

Caratlytics Score

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

Last verified: Nov 6
Current: $5,087 USD|Low: $4,020 USD|High: $7,195 USD|Avg: $4,955 USD|-1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$4,020 USD
Retailer 3$4,112 USD
Retailer 2$4,440 USD
Retailer 5$4,511 USD
77 Diamonds$5,087 USD
Retailer 4$7,158 USD

15 data points across 6 retailers

3 retailers$4,440 USD to $5,087 USD

B+
Cheapest Retailer
-
$4,440 USD
Retailer 2
-
$4,511 USD
View
Price last confirmed 28 days ago
Most Expensive
B+
77 Diamonds
RBMBBZGKXYHJ · Nov 5
$5,087 USD
£4,005 GBP
View
2 more retailers have this diamond
Prices start from $4,440 USDSave up to $647 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
$4,440 USD