Round|Natural|GIA

1.51ct I IF Round Natural Diamond

EX • I/IF • GIA 6542428287

Certificate GIA 6542428287

Diamond specifications and retailer prices

From €6,650 EUR
$7,429 USD
As of October 30, 2026
Save €4,129 EUR (38%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €13,133 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 October 29, 2026, with a 62% 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
Color
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: Oct 30
Current: €9,451 EUR|Low: €5,593 EUR|High: €10,874 EUR|Avg: €7,753 EUR|+1.8%
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
October 31, 2026
Retailer 11€6,650 EUR
Retailer 5€6,819 EUR
Retailer 2€7,071 EUR
Retailer 10€7,101 EUR
Retailer 6€7,118 EUR
Retailer 4€7,126 EUR
Retailer 9€7,283 EUR
Retailer 13€7,728 EUR
Retailer 12€7,859 EUR
Retailer 7€7,993 EUR
Retailer 3€8,321 EUR
Retailer 1€9,451 EUR
Retailer 8€10,779 EUR

40 data points across 13 retailers

22 retailers€6,650 EUR to €10,779 EUR

A
Cheapest Retailer
-
€6,650 EUR
$7,429 USD
A
Retailer 2
-
€6,819 EUR
$7,618 USD
View
A
Retailer 3
-
€7,071 EUR
$7,900 USD
View
A
Retailer 4
-
€7,101 EUR
$7,933 USD
View
Final sale: no returns
Retailer 5
-
€7,102 EUR
$7,934 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€7,118 EUR
£6,262 GBP
View
Retailer 7
-
€7,283 EUR
A$12,518 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
€7,693 EUR
$8,595 USD
View
Price last confirmed 24 days ago
Retailer 9
-
€7,720 EUR
$8,625 USD
View
Price last confirmed 38 days ago
A
Retailer 10
-
€7,728 EUR
$8,634 USD
View
Retailer 11
-
€7,811 EUR
$8,727 USD
View
Price last confirmed 17 days ago
A
Retailer 12
-
€7,859 EUR
$8,781 USD
View
B+
Retailer 13
-
€7,993 EUR
View
B+
Retailer 14
-
€8,321 EUR
£7,320 GBP
View
Retailer 15
-
€8,877 EUR
$9,917 USD
View
Price last confirmed 23 days ago
Retailer 16
-
€8,907 EUR
$9,951 USD
View
Price last confirmed 40 days ago
Retailer 17
-
€9,060 EUR
$10,122 USD
View
Price last confirmed 62 days ago
B+
Retailer 18
-
€9,451 EUR
ZAR 170,585 ZAR
View
B+
Retailer 19
-
€10,779 EUR
£9,482 GBP
View
Retailer 20
-
€12,867 EUR
$14,375 USD
View
Price last confirmed 29 days ago
Retailer 21
-
€12,912 EUR
$14,425 USD
View
Price last confirmed 37 days ago
Most Expensive
NZ Jewellers
d6eaf69a-94f9-4a94-940a-7acf32defcc0 · Sep 1
€13,133 EUR
$14,672 USD
View
Price last confirmed 61 days ago
21 more retailers have this diamond
Prices start from €6,650 EURSave up to €4,129 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
€6,650 EUR