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Marquise|Natural|GIA

0.51ct J SI1 Marquise Natural Diamond

VG • J/SI1 • GIA 2243023239

Certificate GIA 2243023239

Diamond specifications and retailer prices

From $908 NZD
$511 USD
As of November 2, 2026
Save $1,482 NZD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,072 NZD 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2243023239. Listed at 15 retailers as of October 29, 2026, with a 163% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.36°
Pavilion angle37.42°
OriginNatural
Grading LabGIA
CertificateGIA 2243023239
Dimensions7.70 × 4.16 × 2.54 mm
L/W Ratio1.85
Culet sizeNone
Top View
7.70 mm4.16 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2243023239
Side View
Table 56.0%Crown 38.36°Girdle: STK-VTKPavilion 37.42°Culet: NoneDepth 61.1%

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: $4,072 NZD|Low: $769 NZD|High: $4,072 NZD|Avg: $1,637 NZD
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
November 2, 2026
Retailer 9$769 NZD
Retailer 8$1,056 NZD
Retailer 7$1,130 NZD
Retailer 4$1,155 NZD
Retailer 10$1,159 NZD
Retailer 15$1,177 NZD
Retailer 18$1,177 NZD
Retailer 5$1,205 NZD
Retailer 16$1,269 NZD
Retailer 6$1,358 NZD
Retailer 3$1,502 NZD
Retailer 2$1,545 NZD
Retailer 17$1,559 NZD
Retailer 11$1,844 NZD
Retailer 12$2,004 NZD
Retailer 13$2,390 NZD
Retailer 14$3,741 NZD
NZ Jewellers$4,072 NZD

26 data points across 18 retailers

15 retailers$908 NZD to $2,390 NZD

A
Cheapest Retailer
-
$908 NZD
$511 USD
B+
Retailer 2
-
$1,155 NZD
$650 USD
View
B+
Retailer 3
-
$1,177 NZD
$662 USD
View
B+
Retailer 4
-
$1,177 NZD
$662 USD
View
B+
Retailer 5
-
$1,205 NZD
$678 USD
View
B
Retailer 6
-
$1,269 NZD
$714 USD
View
B
Retailer 7
-
$1,358 NZD
$764 USD
View
B
Retailer 8
-
$1,502 NZD
$845 USD
View
B
Retailer 9
-
$1,545 NZD
£684 GBP
View
B
Retailer 10
-
$1,559 NZD
$877 USD
View
B
Retailer 11
-
$1,844 NZD
€988 EUR
View
B
Retailer 12
-
$2,004 NZD
ZAR 18,217 ZAR
View
B
Retailer 13
-
$2,390 NZD
£1,059 GBP
View
Retailer 14
-
$3,741 NZD
CA$2,923 CAD
View
Price under review
Most Expensive
NZ Jewellers
6e80d1d9-bed5-4791-9044-15335624a7c3 · Oct 30
$4,072 NZD
$2,291 USD
View
Price under review
14 more retailers have this diamond
Prices start from $908 NZDSave up to $1,482 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
$908 NZD