Marquise|Natural|IGI

0.51ct H VS1 Marquise Natural Diamond

VG • H/VS1 • IGI 815656065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815656065

Diamond specifications and retailer prices

From $548 USD
As of November 5, 2026
Save $1,492 USD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,040 USD at NZ Jewellers · As of November 3, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815656065. Listed at 14 retailers as of November 3, 2026, with prices from $548 to $2,040, a $1,492 spread on the same certified stone. NZ Jewellers lists it at $2,040. 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
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle30.8°
Pavilion angle38.4°
OriginNatural
Grading LabIGI
CertificateIGI 815656065
Dimensions8.80 × 4.13 × 2.45 mm
L/W Ratio2.13
Girdle conditionFaceted
Top View
8.80 mm4.13 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815656065
Side View
Table 57.0%Crown 30.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 59.3%

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: $2,040 USD|Low: $548 USD|High: $2,076 USD|Avg: $911 USD|-1.7%
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 5, 2026
Retailer 7$548 USD
Retailer 4$600 USD
Retailer 14$650 USD
Retailer 6$655 USD
Retailer 3$677 USD
Retailer 8$736 USD
Retailer 2$747 USD
Retailer 5$820 USD
Retailer 12$835 USD
Retailer 13$868 USD
Retailer 10$973 USD
Retailer 9$1,001 USD
Retailer 11$1,499 USD
NZ Jewellers$2,040 USD

21 data points across 14 retailers

14 retailers$548 USD to $2,040 USD

A
Cheapest Retailer
-
$548 USD
A
Retailer 2
-
$600 USD
View
A
Retailer 3
-
$650 USD
View
Retailer 4
-
$655 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$677 USD
View
A
Retailer 6
-
$736 USD
View
A
Retailer 7
-
$747 USD
View
Retailer 8
-
$820 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$835 USD
View
B+
Retailer 10
-
$868 USD
View
B+
Retailer 11
-
$973 USD
View
B+
Retailer 12
-
$1,001 USD
View
B
Retailer 13
-
$1,499 USD
View
Most Expensive
B
NZ Jewellers
2af8094a-74d6-4ef5-87f1-7c20b67b34ed · Nov 3
$2,040 USD
View
13 more retailers have this diamond
Prices start from $548 USDSave up to $1,492 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
$548 USD