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 $806 NZD
As of November 5, 2026
Save $4,318 NZD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,124 NZD 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 $806 to $5,124, a $4,318 spread on the same certified stone. Flawless Fine Jewelry lists it at $5,124. 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: $5,124 NZD|Low: $806 NZD|High: $5,124 NZD|Avg: $2,014 NZD
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$806 NZD
Retailer 6$978 NZD
Retailer 12$1,014 NZD
Retailer 9$1,464 NZD
Retailer 2$1,637 NZD
Retailer 10$2,629 NZD
Retailer 13$2,848 NZD
Retailer 4$2,876 NZD
Retailer 3$2,989 NZD
Retailer 5$3,287 NZD
Retailer 11$3,496 NZD
Retailer 8$4,397 NZD
Retailer 14$4,990 NZD
Flawless Fine Jewelry$5,124 NZD

35 data points across 14 retailers

14 retailers$806 NZD to $5,124 NZD

A
Cheapest Retailer
-
$806 NZD
A
Retailer 2
-
$978 NZD
View
A
Retailer 3
-
$1,014 NZD
View
A
Retailer 4
-
$1,464 NZD
View
B+
Retailer 5
-
$1,637 NZD
View
B
Retailer 6
-
$2,629 NZD
View
Final sale: no returns
B
Retailer 7
-
$2,848 NZD
View
B
Retailer 8
-
$2,876 NZD
View
B
Retailer 9
-
$2,989 NZD
View
B
Retailer 10
-
$3,287 NZD
View
B
Retailer 11
-
$3,496 NZD
View
C
Retailer 12
-
$4,397 NZD
View
B
Retailer 13
-
$4,990 NZD
View
Most Expensive
B
Flawless Fine Jewelry
7860767E4 · Nov 2
$5,124 NZD
£2,268 GBP
View
13 more retailers have this diamond
Prices start from $806 NZDSave up to $4,318 NZD

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
$806 NZD