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Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6565610229

Certificate GIA 6565610229

Diamond specifications and retailer prices

From $918 NZD
As of November 4, 2026
Save $2,965 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,883 NZD at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565610229. Listed at 16 retailers as of November 4, 2026, with prices from $918 to $3,883, a $2,965 spread on the same certified stone. NZ Jewellers lists it at $3,883. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565610229
Dimensions8.47 × 4.12 × 2.46 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
8.47 mm4.12 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565610229
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.6%

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: $3,883 NZD|Low: $918 NZD|High: $3,883 NZD|Avg: $1,630 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
November 6, 2026
Retailer 9$918 NZD
Retailer 6$1,142 NZD
Retailer 5$1,172 NZD
Retailer 4$1,238 NZD
Retailer 13$1,238 NZD
Retailer 12$1,245 NZD
Retailer 11$1,286 NZD
Retailer 7$1,407 NZD
Retailer 14$1,428 NZD
Retailer 2$1,469 NZD
Retailer 3$1,473 NZD
Retailer 8$1,514 NZD
Retailer 15$1,759 NZD
Retailer 10$2,855 NZD
NZ Jewellers$3,883 NZD

14 data points across 15 retailers

16 retailers$918 NZD to $3,883 NZD

A
Cheapest Retailer
-
$918 NZD
A
Retailer 2
-
$1,142 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,172 NZD
View
A
Retailer 4
-
$1,172 NZD
View
Retailer 5
-
$1,238 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,238 NZD
View
A
Retailer 7
-
$1,245 NZD
View
A
Retailer 8
-
$1,286 NZD
View
B+
Retailer 9
-
$1,407 NZD
View
B+
Retailer 10
-
$1,428 NZD
View
A
Retailer 11
-
$1,469 NZD
View
B+
Retailer 12
-
$1,473 NZD
View
B+
Retailer 13
-
$1,514 NZD
View
B+
Retailer 14
-
$1,759 NZD
View
B
Retailer 15
-
$2,855 NZD
View
Most Expensive
B
NZ Jewellers
56f5410c-3514-4df9-94bd-58e857d0a308 · Nov 5
$3,883 NZD
$2,183 USD
View
15 more retailers have this diamond
Prices start from $918 NZDSave up to $2,965 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
$918 NZD