Marquise|Natural|IGI

0.50ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 815681702

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815681702

Diamond specifications and retailer prices

From $364 USD
₹34,650 INR
As of November 2, 2026
Save $1,462 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,826 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815681702. Listed at 19 retailers as of October 30, 2026, with prices from $364 to $1,826, a $1,462 spread on the same certified stone. NZ Jewellers lists it at $1,826. 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

0.50
Carat
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle37°
OriginNatural
Grading LabIGI
CertificateIGI 815681702
Dimensions8.31 × 4.13 × 2.46 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
8.31 mm4.13 mm0.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815681702
Side View
Table 60.0%Crown 44.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,826 USD|Low: $363 USD|High: $1,831 USD|Avg: $656 USD|-0.3%
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
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 2$364 USD
Retailer 7$410 USD
Retailer 9$440 USD
Retailer 11$440 USD
Retailer 4$476 USD
Retailer 3$513 USD
Retailer 19$513 USD
Retailer 17$550 USD
Retailer 16$582 USD
Retailer 12$585 USD
Retailer 5$597 USD
Retailer 6$608 USD
Retailer 14$617 USD
Retailer 8$621 USD
Retailer 13$670 USD
Retailer 10$680 USD
Retailer 18$735 USD
Retailer 15$1,100 USD
NZ Jewellers$1,826 USD

18 data points across 19 retailers

19 retailers$364 USD to $1,826 USD

A
Cheapest Retailer
-
$364 USD
₹34,650 INR
A
Retailer 2
-
$410 USD
View
A
Retailer 3
-
$440 USD
View
Final sale: no returns
A
Retailer 4
-
$440 USD
View
A
Retailer 5
-
$476 USD
View
A
Retailer 6
-
$513 USD
View
A
Retailer 7
-
$513 USD
View
A
Retailer 8
-
$550 USD
View
A
Retailer 9
-
$582 USD
View
A
Retailer 10
-
$585 USD
£460 GBP
View
A
Retailer 11
-
$597 USD
£470 GBP
View
A
Retailer 12
-
$608 USD
View
B+
Retailer 13
-
$617 USD
£486 GBP
View
B+
Retailer 14
-
$621 USD
View
B+
Retailer 15
-
$670 USD
€638 EUR
View
B+
Retailer 16
-
$680 USD
View
B+
Retailer 17
-
$735 USD
ZAR 11,878 ZAR
View
B
Retailer 18
-
$1,100 USD
£866 GBP
View
Most Expensive
B
NZ Jewellers
d190a876-55c4-41ce-b151-1313f091b685 · Oct 30
$1,826 USD
View
18 more retailers have this diamond
Prices start from $364 USDSave up to $1,462 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
0.50ct Marquise
$364 USD