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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 $596 AUD
As of November 5, 2026
Save $1,688 AUD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,284 AUD 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 $596 to $2,284, a $1,688 spread on the same certified stone. NZ Jewellers lists it at $2,284. 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
Colour
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

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 5
Current: $2,284 AUD|Low: $596 AUD|High: $2,407 AUD|Avg: $897 AUD|-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$596 AUD
Retailer 10$621 AUD
Retailer 3$641 AUD
Retailer 14$641 AUD
Retailer 5$686 AUD
Retailer 2$687 AUD
Retailer 11$687 AUD
Retailer 7$759 AUD
Retailer 6$783 AUD
Retailer 12$814 AUD
Retailer 13$821 AUD
Retailer 8$924 AUD
Retailer 9$1,374 AUD
NZ Jewellers$2,284 AUD

24 data points across 14 retailers

14 retailers$596 AUD to $2,284 AUD

A
Cheapest Retailer
-
$596 AUD
A
Retailer 2
-
$621 AUD
View
A
Retailer 3
-
$641 AUD
View
Retailer 4
-
$641 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$686 AUD
View
A
Retailer 6
-
$687 AUD
View
A
Retailer 7
-
$687 AUD
View
A
Retailer 8
-
$759 AUD
View
A
Retailer 9
-
$783 AUD
View
A
Retailer 10
-
$814 AUD
View
A
Retailer 11
-
$821 AUD
View
B+
Retailer 12
-
$924 AUD
View
B
Retailer 13
-
$1,374 AUD
View
Most Expensive
C
NZ Jewellers
b01a21ba-8977-44ee-a951-18bac62945f9 · Nov 5
$2,284 AUD
$1,599 USD
View
13 more retailers have this diamond
Prices start from $596 AUDSave up to $1,688 AUD

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
$596 AUD