Marquise|Natural|IGI

0.51ct H VVS1 Marquise Natural Diamond

EX • H/VVS1 • IGI 840601863

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 840601863

Diamond specifications and retailer prices

From $640 USD
As of November 2, 2026
Save $1,536 USD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,176 USD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 840601863. Listed at 16 retailers as of October 30, 2026, with prices from $640 to $2,176, a $1,536 spread on the same certified stone. NZ Jewellers lists it at $2,176. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 840601863
Dimensions8.07 × 4.14 × 2.61 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
8.07 mm4.14 mm0.51 ctH / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 840601863
Side View
Table 60.0%Crown 38.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.0%

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 2
Current: $2,176 USD|Low: $640 USD|High: $2,218 USD|Avg: $984 USD|-1.9%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 6$640 USD
Retailer 12$694 USD
Retailer 8$707 USD
Retailer 16$720 USD
Retailer 7$735 USD
Retailer 3$801 USD
Retailer 14$818 USD
Retailer 11$826 USD
Retailer 2$852 USD
Retailer 10$875 USD
Retailer 9$928 USD
Retailer 15$996 USD
Retailer 5$1,071 USD
Retailer 4$1,387 USD
Retailer 13$1,603 USD
NZ Jewellers$2,176 USD

30 data points across 16 retailers

16 retailers$640 USD to $2,176 USD

A
Cheapest Retailer
-
$640 USD
Final sale: no returns
A
Retailer 2
-
$694 USD
View
A
Retailer 3
-
$707 USD
View
A
Retailer 4
-
$720 USD
View
A
Retailer 5
-
$735 USD
View
A
Retailer 6
-
$801 USD
View
A
Retailer 7
-
$818 USD
View
A
Retailer 8
-
$826 USD
View
A
Retailer 9
-
$852 USD
£671 GBP
View
B+
Retailer 10
-
$875 USD
£689 GBP
View
B+
Retailer 11
-
$928 USD
€884 EUR
View
B+
Retailer 12
-
$996 USD
View
B+
Retailer 13
-
$1,071 USD
ZAR 17,302 ZAR
View
B
Retailer 14
-
$1,387 USD
£1,092 GBP
View
B
Retailer 15
-
$1,603 USD
£1,262 GBP
View
Most Expensive
B
NZ Jewellers
035dc4e3-f4a6-4dba-9a1b-7d64050a81bd · Oct 30
$2,176 USD
View
15 more retailers have this diamond
Prices start from $640 USDSave up to $1,536 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
$640 USD