Round|Natural|GIA

1.25ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1418531137

Certificate GIA 1418531137

Diamond specifications and retailer prices

From €1,971 EUR
HK$17,200 HKD
As of November 1, 2026
Save €3,523 EUR (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,650 EUR at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1418531137. Listed at 12 retailers as of October 30, 2026, with a 179% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1418531137
Dimensions6.89 × 6.85 × 4.32 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Twinning Wisp, Feather, Knot, Cavity, Natural
Top View
6.89 mm6.85 mm1.25 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1418531137
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €5,494 EUR|Low: €1,948 EUR|High: €5,650 EUR|Avg: €2,763 EUR|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2€1,971 EUR
Retailer 12€2,006 EUR
Retailer 7€2,381 EUR
Retailer 9€2,381 EUR
Retailer 3€2,399 EUR
Retailer 10€2,472 EUR
Retailer 8€2,721 EUR
Retailer 11€2,721 EUR
Retailer 6€2,811 EUR
Retailer 5€3,077 EUR
Retailer 4€3,216 EUR
NZ Jewellers€5,494 EUR

32 data points across 12 retailers

12 retailers€1,971 EUR to €5,494 EUR

A
Cheapest Retailer
-
€1,971 EUR
HK$17,200 HKD
B+
Retailer 2
-
€2,381 EUR
$2,660 USD
View
B+
Retailer 3
-
€2,381 EUR
$2,660 USD
View
B+
Retailer 4
-
€2,472 EUR
$2,762 USD
View
Retailer 5
-
€2,702 EUR
$3,019 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
€2,721 EUR
$3,040 USD
View
B+
Retailer 7
-
€2,721 EUR
$3,040 USD
View
B+
Retailer 8
-
€2,811 EUR
$3,140 USD
View
B
Retailer 9
-
€3,077 EUR
View
Retailer 10
-
€3,118 EUR
$3,484 USD
View
Price last confirmed 34 days ago
B
Retailer 11
-
€5,494 EUR
$6,138 USD
View
Most Expensive
NZ Jewellers
780dcb6b-dc2f-41b3-876d-0a212d56313f · Sep 28
€5,650 EUR
$6,312 USD
View
Price last confirmed 34 days ago
11 more retailers have this diamond
Prices start from €1,971 EURSave up to €3,523 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
1.25ct Round
€1,971 EUR