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Radiant|Natural|IGI

0.51ct H VS1 Radiant Natural Diamond

VG • H/VS1 • IGI 780655826

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

Certificate IGI 780655826

Diamond specifications and retailer prices

From $415 SGD
As of November 6, 2026
Save $1,705 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,120 SGD at NZ Jewellers · As of November 5, 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 780655826. Listed at 15 retailers as of November 5, 2026, with prices from $415 to $2,120, a $1,705 spread on the same certified stone. NZ Jewellers lists it at $2,120. 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
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.3°
Pavilion angle33.3°
OriginNatural
Grading LabIGI
CertificateIGI 780655826
Dimensions5.33 × 3.99 × 2.69 mm
L/W Ratio1.34
Culet sizePointed
Top View
5.33 mm3.99 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 780655826
Side View
Table 67.0%Crown 38.3°Girdle: STK-THKPavilion 33.3°Culet: NoneDepth 67.4%

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 6
Current: $820 SGD|Low: $415 SGD|High: $1,291 SGD|Avg: $750 SGD|+29.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4$415 SGD
Retailer 5$638 SGD
Retailer 8$692 SGD
Retailer 2$705 SGD
Retailer 1$820 SGD
Retailer 6$836 SGD
Retailer 7$857 SGD
Retailer 3$1,269 SGD

27 data points across 8 retailers

15 retailers$415 SGD to $2,120 SGD

A
Cheapest Retailer
-
$415 SGD
A
Retailer 2
-
$554 SGD
View
A
Retailer 3
-
$596 SGD
View
A
Retailer 4
-
$596 SGD
View
A
Retailer 5
-
$638 SGD
View
A
Retailer 6
-
$638 SGD
View
A
Retailer 7
-
$692 SGD
View
A
Retailer 8
-
$705 SGD
View
A
Retailer 9
-
$720 SGD
View
B+
Retailer 10
-
$820 SGD
View
A
Retailer 11
-
$836 SGD
View
B+
Retailer 12
-
$857 SGD
View
B
Retailer 13
-
$1,230 SGD
View
B+
Retailer 14
-
$1,269 SGD
View
Most Expensive
B
NZ Jewellers
5aca1e0d-214e-4b5b-ac49-095402fe6509 · Nov 5
$2,120 SGD
$1,654 USD
View
14 more retailers have this diamond
Prices start from $415 SGDSave up to $1,705 SGD

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 Radiant
$415 SGD