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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7558566290

Certificate GIA 7558566290

Diamond specifications and retailer prices

From $1,057 NZD
$595 USD
As of November 2, 2026
Save $2,542 NZD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,599 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 F 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 7558566290. Listed at 6 retailers as of November 2, 2026, with prices from $1,057 to $3,599, a $2,542 spread on the same certified stone. NZ Jewellers lists it at $3,599. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
OriginNatural
Grading LabGIA
CertificateGIA 7558566290
Dimensions8.17 × 4.20 × 2.60 mm
L/W Ratio1.95
Culet sizeNone
Key to symbols
Feather
Top View
8.17 mm4.20 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558566290
Side View
Table 58.0%Crown 34°Girdle: STK-VTKPavilionCulet: 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 2
Current: $3,599 NZD|Low: $1,008 NZD|High: $3,736 NZD|Avg: $1,795 NZD|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$1,057 NZD
Retailer 5$1,110 NZD
Retailer 2$1,400 NZD
Retailer 4$1,438 NZD
Retailer 3$1,540 NZD
NZ Jewellers$3,599 NZD

43 data points across 6 retailers

6 retailers$1,057 NZD to $3,599 NZD

A
Cheapest Retailer
-
$1,057 NZD
$595 USD
Final sale: no returns
A
Retailer 2
-
$1,110 NZD
SGD 844 SGD
View
B+
Retailer 3
-
$1,400 NZD
£620 GBP
View
B+
Retailer 4
-
$1,438 NZD
£637 GBP
View
B+
Retailer 5
-
$1,540 NZD
€825 EUR
View
Most Expensive
B
NZ Jewellers
126aba6a-0fbf-4202-9f20-0fc615b243fb · Nov 3
$3,599 NZD
$2,025 USD
View
5 more retailers have this diamond
Prices start from $1,057 NZDSave up to $2,542 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
$1,057 NZD