Radiant|Natural|IGI

0.51ct H VS1 Radiant Natural Diamond

VG • H/VS1 • IGI 810634285

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 810634285

Diamond specifications and retailer prices

From €410 EUR
$460 USD
As of October 21, 2026
12 retailers carry this diamond
Most expensive: €1,685 EUR at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 810634285. Listed at 12 retailers as of October 21, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.2°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 810634285
Dimensions5.74 × 3.97 × 2.73 mm
L/W Ratio1.45
Top View
5.74 mm3.97 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 810634285
Side View
Table 66.0%Crown 34.2°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 21
Current: €1,685 EUR|Low: €410 EUR|High: €1,717 EUR|Avg: €662 EUR|+19.2%
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
October 26, 2026
Retailer 4€410 EUR
Retailer 5€433 EUR
Retailer 2€440 EUR
Retailer 13€447 EUR
Retailer 9€473 EUR
Retailer 6€484 EUR
Retailer 10€508 EUR
Retailer 12€594 EUR
Retailer 7€623 EUR
Retailer 3€670 EUR
Retailer 8€677 EUR
Retailer 11€1,017 EUR
NZ Jewellers€1,685 EUR

26 data points across 13 retailers

12 retailers€410 EUR to €1,685 EUR

Retailer 1
-
€410 EUR
$460 USD
Price last confirmed 12 days ago
Retailer 2
-
€440 EUR
$493 USD
View
Price last confirmed 8 days ago
Retailer 3
-
€447 EUR
SGD 678 SGD
View
Price last confirmed 9 days ago
Retailer 4
-
€473 EUR
$531 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€484 EUR
£427 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
€508 EUR
$570 USD
View
Price last confirmed 7 days ago
Retailer 7
-
€594 EUR
View
Price last confirmed 9 days ago
Retailer 8
-
€623 EUR
£550 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€670 EUR
$752 USD
View
Price last confirmed 7 days ago
Retailer 10
-
€677 EUR
ZAR 12,273 ZAR
View
Price last confirmed 8 days ago
Retailer 11
-
€1,017 EUR
£898 GBP
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
62aa99a4-df56-4868-9f6e-ebcc586a8ee7 · Oct 24
€1,685 EUR
$1,890 USD
View
Price last confirmed 10 days ago
11 more retailers have 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+
0.51ct Radiant
€410 EUR