Round|Natural|GIA

1.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2507300122

Certificate GIA 2507300122

Diamond specifications and retailer prices

From €2,319 EUR
As of November 6, 2026
Save €3,733 EUR (62%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €6,052 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507300122. Listed at 24 retailers as of November 5, 2026, with prices from €2,319 to €6,052, a €3,733 spread on the same certified stone. Diamond Quarter lists it at €6,052. 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

1.01
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2507300122
Dimensions6.41 × 6.39 × 4.03 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.41 mm6.39 mm1.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507300122
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

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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 6
Current: €2,319 EUR|Low: €2,304 EUR|High: €5,421 EUR|Avg: €3,351 EUR|-4.8%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 1€2,319 EUR
Retailer 19€2,327 EUR
Retailer 11€2,657 EUR
Retailer 5€2,762 EUR
Retailer 18€2,803 EUR
Retailer 3€2,820 EUR
Retailer 10€2,871 EUR
Retailer 6€2,996 EUR
Retailer 4€3,112 EUR
Retailer 9€3,112 EUR
Retailer 14€3,180 EUR
Retailer 12€3,230 EUR
Retailer 7€3,232 EUR
Retailer 8€3,240 EUR
Retailer 13€3,386 EUR
Retailer 16€3,396 EUR
Retailer 2€3,590 EUR
Retailer 15€3,798 EUR
Retailer 17€5,189 EUR
Retailer 20€5,421 EUR

30 data points across 20 retailers

24 retailers€2,319 EUR to €6,052 EUR

A
Cheapest Retailer
-
€2,319 EUR
A
Retailer 2
-
€2,327 EUR
View
B+
Retailer 3
-
€2,657 EUR
View
B+
Retailer 4
-
€2,762 EUR
View
B+
Retailer 5
-
€2,803 EUR
View
B+
Retailer 6
-
€2,820 EUR
View
B+
Retailer 7
-
€2,871 EUR
View
Final sale: no returns
B+
Retailer 8
-
€2,996 EUR
View
B+
Retailer 9
-
€3,112 EUR
View
Retailer 10
-
€3,112 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
€3,162 EUR
View
Price last confirmed 43 days ago
B+
Retailer 12
-
€3,180 EUR
View
B+
Retailer 13
-
€3,230 EUR
View
B
Retailer 14
-
€3,232 EUR
View
B
Retailer 15
-
€3,240 EUR
View
Retailer 16
-
€3,386 EUR
View
Price last confirmed 29 days ago
B+
Retailer 17
-
€3,396 EUR
View
B
Retailer 18
-
€3,590 EUR
View
Retailer 19
-
€3,649 EUR
View
Price last confirmed 45 days ago
B+
Retailer 20
-
€3,798 EUR
View
B
Retailer 21
-
€5,189 EUR
View
B
Retailer 22
-
€5,421 EUR
View
Retailer 23
-
€5,509 EUR
View
Price last confirmed 42 days ago
Most Expensive
B
Diamond Quarter
1.01SI1G252251BDN · Nov 5
€6,052 EUR
£5,320 GBP
View
23 more retailers have this diamond
Prices start from €2,319 EURSave up to €3,733 EUR

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
1.01ct Round
€2,319 EUR