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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 $701 SGD
As of October 31, 2026
Save $1,919 SGD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,620 SGD 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815656065. Listed at 14 retailers as of October 30, 2026, with prices from $701 to $2,620, a $1,919 spread on the same certified stone. NZ Jewellers lists it at $2,620. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,620 SGD|Low: $701 SGD|High: $2,668 SGD|Avg: $1,158 SGD|-1.8%
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 2, 2026
Retailer 13$701 SGD
Retailer 11$767 SGD
Retailer 12$834 SGD
Retailer 5$838 SGD
Retailer 2$866 SGD
Retailer 14$940 SGD
Retailer 10$958 SGD
Retailer 8$968 SGD
Retailer 4$1,050 SGD
Retailer 9$1,113 SGD
Retailer 6$1,263 SGD
Retailer 3$1,290 SGD
Retailer 7$1,926 SGD
NZ Jewellers$2,620 SGD

21 data points across 14 retailers

14 retailers$701 SGD to $2,620 SGD

A
Cheapest Retailer
-
$701 SGD
A
Retailer 2
-
$767 SGD
$600 USD
View
A
Retailer 3
-
$834 SGD
$652 USD
View
A
Retailer 4
-
$838 SGD
$655 USD
View
A
Retailer 5
-
$866 SGD
$677 USD
View
A
Retailer 6
-
$940 SGD
$735 USD
View
B+
Retailer 7
-
$958 SGD
£590 GBP
View
A
Retailer 8
-
$968 SGD
£596 GBP
View
B+
Retailer 9
-
$1,050 SGD
£646 GBP
View
B+
Retailer 10
-
$1,113 SGD
€829 EUR
View
B+
Retailer 11
-
$1,263 SGD
$987 USD
View
B+
Retailer 12
-
$1,290 SGD
ZAR 16,295 ZAR
View
B
Retailer 13
-
$1,926 SGD
£1,186 GBP
View
Most Expensive
B
NZ Jewellers
2af8094a-74d6-4ef5-87f1-7c20b67b34ed · Oct 30
$2,620 SGD
$2,049 USD
View
13 more retailers have this diamond
Prices start from $701 SGDSave up to $1,919 SGD

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
$701 SGD