Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 6542428287

Certificate GIA 6542428287

Diamond specifications and retailer prices

From €6,654 EUR
As of November 4, 2026
Save €4,046 EUR (38%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €13,141 EUR at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6542428287. Listed at 22 retailers as of November 4, 2026, with a 61% 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

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542428287
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Top View
7.27 mm7.31 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542428287
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: €7,032 EUR|Low: €5,596 EUR|High: €10,880 EUR|Avg: €7,746 EUR|-2.7%
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
November 7, 2026
Retailer 12€6,654 EUR
Retailer 9€6,733 EUR
Retailer 1€7,032 EUR
Retailer 3€7,076 EUR
Retailer 11€7,105 EUR
Retailer 5€7,130 EUR
Retailer 10€7,287 EUR
Retailer 2€7,732 EUR
Retailer 13€7,864 EUR
Retailer 6€7,921 EUR
Retailer 4€8,326 EUR
Retailer 7€9,392 EUR
Retailer 8€10,700 EUR

42 data points across 13 retailers

22 retailers€6,654 EUR to €10,700 EUR

A
Cheapest Retailer
-
€6,654 EUR
A
Retailer 2
-
€6,733 EUR
View
A
Retailer 3
-
€7,032 EUR
View
A
Retailer 4
-
€7,076 EUR
View
A
Retailer 5
-
€7,105 EUR
View
Final sale: no returns
Retailer 6
-
€7,106 EUR
View
Price last confirmed 22 days ago
Retailer 7
-
€7,287 EUR
View
Price last confirmed 16 days ago
Retailer 8
-
€7,698 EUR
View
Price last confirmed 30 days ago
Retailer 9
-
€7,725 EUR
View
Price last confirmed 44 days ago
A
Retailer 10
-
€7,732 EUR
View
Retailer 11
-
€7,816 EUR
View
Price last confirmed 23 days ago
A
Retailer 12
-
€7,864 EUR
View
A
Retailer 13
-
€7,921 EUR
View
B+
Retailer 14
-
€8,326 EUR
View
Retailer 15
-
€8,882 EUR
View
Price last confirmed 29 days ago
Retailer 16
-
€8,913 EUR
View
Price last confirmed 46 days ago
Retailer 17
-
€9,066 EUR
View
Price last confirmed 68 days ago
B+
Retailer 18
-
€9,392 EUR
View
B+
Retailer 19
-
€10,700 EUR
View
Retailer 20
-
€12,875 EUR
View
Price last confirmed 35 days ago
Retailer 21
-
€12,920 EUR
View
Price last confirmed 43 days ago
Most Expensive
NZ Jewellers
d6eaf69a-94f9-4a94-940a-7acf32defcc0 · Sep 1
€13,141 EUR
$14,672 USD
View
Price last confirmed 66 days ago
21 more retailers have this diamond
Prices start from €6,654 EURSave up to €4,046 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
1.51ct Round
€6,654 EUR