Marquise|Natural|GIA

0.51ct I IF Marquise Natural Diamond

ID • I/IF • GIA 6545669394

Certificate GIA 6545669394

Diamond specifications and retailer prices

From $652 USD
As of November 5, 2026
Save $1,391 USD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,043 USD 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545669394. Listed at 13 retailers as of November 5, 2026, with prices from $652 to $2,043, a $1,391 spread on the same certified stone. NZ Jewellers lists it at $2,043. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
I
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.16°
Pavilion angle40.39°
OriginNatural
Grading LabGIA
CertificateGIA 6545669394
Dimensions4.12 × 8.25 × 2.59 mm
L/W Ratio2.00
Top View
4.12 mm8.25 mm0.51 ctI / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545669394
Side View
Table 60.0%Crown 38.16°Girdle: Slightly ThickPavilion 40.39°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,043 USD|Low: $652 USD|High: $2,122 USD|Avg: $937 USD|-3.7%
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 10$652 USD
Retailer 4$664 USD
Retailer 8$677 USD
Retailer 3$689 USD
Retailer 6$730 USD
Retailer 13$752 USD
Retailer 12$780 USD
Retailer 9$783 USD
Retailer 2$795 USD
Retailer 7$835 USD
Retailer 5$1,017 USD
Retailer 11$1,504 USD
NZ Jewellers$2,043 USD

36 data points across 13 retailers

13 retailers$652 USD to $2,043 USD

A
Cheapest Retailer
-
$652 USD
Retailer 2
-
$664 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$677 USD
View
A
Retailer 4
-
$689 USD
View
A
Retailer 5
-
$730 USD
View
A
Retailer 6
-
$752 USD
View
A
Retailer 7
-
$780 USD
View
A
Retailer 8
-
$783 USD
View
A
Retailer 9
-
$795 USD
View
A
Retailer 10
-
$835 USD
View
Retailer 11
-
$1,017 USD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$1,504 USD
View
Most Expensive
B
NZ Jewellers
a3bd01fd-366e-4e87-8313-d088c73557f9 · Nov 5
$2,043 USD
View
12 more retailers have this diamond
Prices start from $652 USDSave up to $1,391 USD

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
$652 USD