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Marquise|Natural|IGI

0.51ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 649447414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 649447414

Diamond specifications and retailer prices

From $417 USD
As of November 5, 2026
Save $1,182 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,599 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 649447414. Listed at 14 retailers as of November 5, 2026, with prices from $417 to $1,599, a $1,182 spread on the same certified stone. NZ Jewellers lists it at $1,599. 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
K
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 649447414
Dimensions8.20 × 4.19 × 2.63 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Top View
8.20 mm4.19 mm0.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649447414
Side View
Table 60.0%Crown 34.2°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,599 USD|Low: $417 USD|High: $1,685 USD|Avg: $628 USD|-5.1%
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
November 6, 2026
Retailer 4$417 USD
Retailer 10$435 USD
Retailer 3$449 USD
Retailer 14$449 USD
Retailer 5$480 USD
Retailer 2$481 USD
Retailer 11$481 USD
Retailer 7$531 USD
Retailer 6$548 USD
Retailer 12$570 USD
Retailer 13$575 USD
Retailer 8$647 USD
Retailer 9$962 USD
NZ Jewellers$1,599 USD

24 data points across 14 retailers

14 retailers$417 USD to $1,599 USD

A
Cheapest Retailer
-
$417 USD
A
Retailer 2
-
$435 USD
View
A
Retailer 3
-
$449 USD
View
Retailer 4
-
$449 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$480 USD
View
A
Retailer 6
-
$481 USD
View
A
Retailer 7
-
$481 USD
View
A
Retailer 8
-
$531 USD
View
A
Retailer 9
-
$548 USD
View
A
Retailer 10
-
$570 USD
View
A
Retailer 11
-
$575 USD
View
B+
Retailer 12
-
$647 USD
View
B
Retailer 13
-
$962 USD
View
Most Expensive
C
NZ Jewellers
b01a21ba-8977-44ee-a951-18bac62945f9 · Nov 5
$1,599 USD
View
13 more retailers have this diamond
Prices start from $417 USDSave up to $1,182 USD

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 Marquise
$417 USD