Round|Natural|GIA

1.25ct G IF Round Natural Diamond

EX • G/IF • GIA 6431588718

Certificate GIA 6431588718

Diamond specifications and retailer prices

From $9,312 USD
As of November 2, 2026
Save $11,752 USD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,064 USD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6431588718. Listed at 13 retailers as of November 2, 2026, with prices from $9,312 to $21,064, a $11,752 spread on the same certified stone. Diamond Quarter lists it at $21,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6431588718
Dimensions7.11 × 7.09 × 4.18 mm
L/W Ratio1.00
Top View
7.11 mm7.09 mm1.25 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431588718
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $12,745 USD|Low: $9,204 USD|High: $16,792 USD|Avg: $11,947 USD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$9,312 USD
Retailer 7$9,690 USD
Retailer 9$9,839 USD
Retailer 8$10,245 USD
Retailer 3$11,400 USD
Retailer 6$11,543 USD
Retailer 5$11,854 USD
Retailer 1$12,745 USD
Retailer 2$13,977 USD
Retailer 4$16,593 USD

43 data points across 10 retailers

13 retailers$9,312 USD to $21,064 USD

A
Cheapest Retailer
-
$9,312 USD
A
Retailer 2
-
$9,690 USD
View
A
Retailer 3
-
$9,738 USD
View
A
Retailer 4
-
$9,839 USD
€9,370 EUR
View
B+
Retailer 5
-
$10,245 USD
View
Final sale: no returns
B+
Retailer 6
-
$11,400 USD
£8,976 GBP
View
Retailer 7
-
$11,543 USD
A$17,759 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$11,854 USD
View
B
Retailer 9
-
$12,656 USD
View
B+
Retailer 10
-
$12,745 USD
€12,138 EUR
View
Retailer 11
-
$13,977 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$16,593 USD
£13,065 GBP
View
Most Expensive
B
Diamond Quarter
1.25IFG64188C56N · Nov 2
$21,064 USD
£16,586 GBP
View
12 more retailers have this diamond
Prices start from $9,312 USDSave up to $11,752 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
$9,312 USD