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Marquise|Natural|GIA

0.51ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2544730685

Certificate GIA 2544730685

Diamond specifications and retailer prices

From $1,026 NZD
As of November 6, 2026
Save $3,222 NZD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,248 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544730685. Listed at 13 retailers as of November 5, 2026, with prices from $1,026 to $4,248, a $3,222 spread on the same certified stone. NZ Jewellers lists it at $4,248. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544730685
Dimensions8.39 × 4.15 × 2.57 mm
L/W Ratio2.02
Top View
8.39 mm4.15 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544730685
Side View
Table 59.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.9%

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 6
Current: $4,248 NZD|Low: $1,026 NZD|High: $4,248 NZD|Avg: $1,730 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
November 6, 2026
Retailer 2$1,026 NZD
Retailer 5$1,233 NZD
Retailer 11$1,249 NZD
Retailer 12$1,356 NZD
Retailer 7$1,389 NZD
Retailer 3$1,402 NZD
Retailer 10$1,407 NZD
Retailer 13$1,539 NZD
Retailer 4$1,564 NZD
Retailer 6$1,617 NZD
Retailer 9$1,914 NZD
Retailer 8$2,478 NZD
NZ Jewellers$4,248 NZD

33 data points across 13 retailers

13 retailers$1,026 NZD to $4,248 NZD

A
Cheapest Retailer
-
$1,026 NZD
A
Retailer 2
-
$1,233 NZD
View
A
Retailer 3
-
$1,249 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,356 NZD
View
A
Retailer 5
-
$1,389 NZD
View
A
Retailer 6
-
$1,402 NZD
View
A
Retailer 7
-
$1,407 NZD
View
B+
Retailer 8
-
$1,539 NZD
View
B+
Retailer 9
-
$1,564 NZD
View
B+
Retailer 10
-
$1,617 NZD
View
B+
Retailer 11
-
$1,914 NZD
View
B
Retailer 12
-
$2,478 NZD
View
Most Expensive
B
NZ Jewellers
891262ae-d934-4997-a518-e966a78ffeb0 · Nov 5
$4,248 NZD
$2,388 USD
View
12 more retailers have this diamond
Prices start from $1,026 NZDSave up to $3,222 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
$1,026 NZD