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Marquise|Natural|GIA

0.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 1563008847

Certificate GIA 1563008847

Diamond specifications and retailer prices

From $878 NZD
As of November 4, 2026
Save $2,112 NZD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,991 NZD 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563008847. Listed at 12 retailers as of November 3, 2026, with prices from $878 to $2,991, a $2,112 spread on the same certified stone. NZ Jewellers lists it at $2,991. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563008847
Dimensions8.82 × 4.16 × 2.43 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizeNone
Top View
8.82 mm4.16 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563008847
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.4%

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 4
Current: $1,183 NZD|Low: $806 NZD|High: $2,228 NZD|Avg: $1,262 NZD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4$878 NZD
Retailer 6$1,026 NZD
Retailer 8$1,100 NZD
Retailer 5$1,153 NZD
Retailer 1$1,183 NZD
Retailer 7$1,191 NZD
Retailer 3$1,423 NZD
Retailer 2$2,199 NZD

44 data points across 8 retailers

12 retailers$878 NZD to $2,991 NZD

A
Cheapest Retailer
-
$878 NZD
Final sale: no returns
A
Retailer 2
-
$954 NZD
View
Retailer 3
-
$1,026 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,026 NZD
View
B+
Retailer 5
-
$1,100 NZD
View
Retailer 6
-
$1,100 NZD
View
Price last confirmed 61 days ago
B+
Retailer 7
-
$1,100 NZD
View
B+
Retailer 8
-
$1,183 NZD
View
B+
Retailer 9
-
$1,191 NZD
View
B
Retailer 10
-
$1,423 NZD
View
B
Retailer 11
-
$2,199 NZD
View
Most Expensive
C
NZ Jewellers
6bb20c1b-f3cc-4e77-b777-68db4d99320e · Nov 3
$2,991 NZD
$1,658 USD
View
11 more retailers have this diamond
Prices start from $878 NZDSave up to $2,112 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
$878 NZD