Round|Natural|GIA

0.51ct H IF Round Natural Diamond

EX • H/IF • GIA 1555780245

Certificate GIA 1555780245

Diamond specifications and retailer prices

From €514 EUR
HK$4,500 HKD
As of October 27, 2026
Save €307 EUR (37%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,192 EUR at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1555780245. Listed at 20 retailers as of October 26, 2026, with a 60% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
H
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555780245
Dimensions5.10 × 5.07 × 3.21 mm
L/W Ratio1.01
Top View
5.10 mm5.07 mm0.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555780245
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €2,192 EUR|Low: €514 EUR|High: €2,192 EUR|Avg: €939 EUR
NZ Jewellers
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
October 26, 2026
Retailer 6€514 EUR
Retailer 18€519 EUR
Retailer 7€637 EUR
Retailer 5€691 EUR
Retailer 14€702 EUR
Retailer 19€718 EUR
Retailer 4€724 EUR
Retailer 13€789 EUR
Retailer 3€809 EUR
Retailer 16€821 EUR
Retailer 17€843 EUR
Retailer 10€926 EUR
Retailer 12€975 EUR
Retailer 8€978 EUR
Retailer 11€1,063 EUR
Retailer 2€1,064 EUR
Retailer 9€1,286 EUR
Retailer 15€1,386 EUR
NZ Jewellers€2,192 EUR

27 data points across 19 retailers

20 retailers€514 EUR to €821 EUR

A
Cheapest Retailer
-
€514 EUR
HK$4,500 HKD
Retailer 2
-
€519 EUR
₹55,455 INR
View
Price last confirmed 8 days ago
Retailer 3
-
€691 EUR
$775 USD
View
Price last confirmed 9 days ago
Retailer 4
-
€702 EUR
$787 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€718 EUR
$805 USD
View
Price last confirmed 9 days ago
Retailer 6
-
€724 EUR
SGD 1,098 SGD
View
Price last confirmed 9 days ago
Retailer 7
-
€730 EUR
$819 USD
View
Price last confirmed 49 days ago
Retailer 8
-
€789 EUR
£697 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
€809 EUR
$908 USD
View
Price last confirmed 8 days ago
A
Retailer 10
-
€821 EUR
£725 GBP
View
Retailer 11
-
€843 EUR
$945 USD
View
Price last confirmed 7 days ago
Retailer 12
-
€843 EUR
$945 USD
View
Price last confirmed 49 days ago
Retailer 13
-
€926 EUR
£818 GBP
View
Price last confirmed 11 days ago
Retailer 14
-
€975 EUR
View
Price last confirmed 8 days ago
Retailer 15
-
€978 EUR
$1,097 USD
View
Price last confirmed 10 days ago
Retailer 16
-
€1,063 EUR
A$1,835 AUD
View
Price last confirmed 30 days ago
Retailer 17
-
€1,064 EUR
ZAR 19,281 ZAR
View
Price last confirmed 8 days ago
Retailer 18
-
€1,286 EUR
£1,136 GBP
View
Price last confirmed 16 days ago
Retailer 19
-
€1,386 EUR
£1,224 GBP
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
64930517-ffdd-43a7-bf9f-9a5bf3e16499 · Oct 23
€2,192 EUR
$2,458 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €514 EURSave up to €307 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
0.51ct Round
€514 EUR