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Round|Natural|GIA

1.51ct H IF Round Natural Diamond

EX • H/IF • GIA 6402964285

Certificate GIA 6402964285

Diamond specifications and retailer prices

From €18,330 EUR
£16,125 GBP
As of October 31, 2026
2 retailers carry this diamond
Most expensive: €18,330 EUR at Diamond Quarter
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6402964285. Listed at 2 retailers as of October 31, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6402964285
Dimensions7.36 × 7.33 × 4.52 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.36 mm7.33 mm1.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6402964285
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €9,686 EUR|Low: €8,938 EUR|High: €14,253 EUR|Avg: €11,112 EUR|-16.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 9, 2026
Retailer 3€8,938 EUR
Retailer 4€8,996 EUR
Retailer 1€9,686 EUR
Retailer 2€10,829 EUR
Retailer 6€11,323 EUR
Retailer 5€12,637 EUR

30 data points across 6 retailers

2 retailers

Retailer 1
-
€8,996 EUR
$10,050 USD
Price last confirmed 53 days ago
Most Expensive
B
Diamond Quarter
1.51IFH6485A20DN · Oct 31
€18,330 EUR
£16,125 GBP
View
1 more retailer has this diamond

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.

B
1.51ct Round
€18,330 EUR