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Marquise|Natural|IGI

0.51ct H VVS1 Marquise Natural Diamond

VG • H/VVS1 • IGI 757501057

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 757501057

Diamond specifications and retailer prices

From $647 AUD
As of November 5, 2026
Save $3,467 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,115 AUD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 757501057. Listed at 14 retailers as of November 2, 2026, with prices from $647 to $4,115, a $3,467 spread on the same certified stone. Flawless Fine Jewelry lists it at $4,115. 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
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 757501057
Dimensions7.80 × 4.30 × 2.56 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Top View
7.80 mm4.30 mm0.51 ctH / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 757501057
Side View
Table 64.0%Crown 36.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.5%

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: $4,115 AUD|Low: $647 AUD|High: $4,115 AUD|Avg: $1,618 AUD
Flawless Fine Jewelry
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 7$647 AUD
Retailer 6$786 AUD
Retailer 12$814 AUD
Retailer 9$1,176 AUD
Retailer 2$1,314 AUD
Retailer 10$2,111 AUD
Retailer 13$2,287 AUD
Retailer 4$2,310 AUD
Retailer 3$2,400 AUD
Retailer 5$2,640 AUD
Retailer 11$2,807 AUD
Retailer 8$3,531 AUD
Retailer 14$4,007 AUD
Flawless Fine Jewelry$4,115 AUD

35 data points across 14 retailers

14 retailers$647 AUD to $4,115 AUD

A
Cheapest Retailer
-
$647 AUD
A
Retailer 2
-
$786 AUD
View
A
Retailer 3
-
$814 AUD
View
A
Retailer 4
-
$1,176 AUD
View
B+
Retailer 5
-
$1,314 AUD
View
B
Retailer 6
-
$2,111 AUD
View
Final sale: no returns
B
Retailer 7
-
$2,287 AUD
View
B
Retailer 8
-
$2,310 AUD
View
B
Retailer 9
-
$2,400 AUD
View
B
Retailer 10
-
$2,640 AUD
View
B
Retailer 11
-
$2,807 AUD
View
C
Retailer 12
-
$3,531 AUD
View
B
Retailer 13
-
$4,007 AUD
View
Most Expensive
B
Flawless Fine Jewelry
7860767E4 · Nov 2
$4,115 AUD
£2,268 GBP
View
13 more retailers have this diamond
Prices start from $647 AUDSave up to $3,467 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
$647 AUD