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Marquise|Natural|GIA

0.51ct K VS1 Marquise Natural Diamond

EX • K/VS1 • GIA 1569688378

Certificate GIA 1569688378

Diamond specifications and retailer prices

From $666 AUD
As of November 5, 2026
Save $615 AUD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,281 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569688378. Listed at 11 retailers as of November 5, 2026, with prices from $666 to $1,281, a $615 spread on the same certified stone. Frank Darling lists it at $1,281. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.04°
Pavilion angle40.44°
OriginNatural
Grading LabGIA
CertificateGIA 1569688378
Dimensions7.89 × 4.16 × 2.64 mm
L/W Ratio1.90
Culet sizeNone
Top View
7.89 mm4.16 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1569688378
Side View
Table 59.0%Crown 39.04°Girdle: STK-VTKPavilion 40.44°Culet: NoneDepth 63.4%

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 5
Current: $1,281 AUD|Low: $666 AUD|High: $1,281 AUD|Avg: $899 AUD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$666 AUD
Retailer 7$693 AUD
Retailer 5$706 AUD
Retailer 10$739 AUD
Retailer 6$803 AUD
Retailer 8$866 AUD
Retailer 9$933 AUD
Retailer 4$954 AUD
Retailer 2$977 AUD
Retailer 3$1,000 AUD
Frank Darling$1,281 AUD

17 data points across 11 retailers

11 retailers$666 AUD to $1,281 AUD

A
Cheapest Retailer
-
$666 AUD
A
Retailer 2
-
$693 AUD
View
A
Retailer 3
-
$706 AUD
View
A
Retailer 4
-
$739 AUD
View
A
Retailer 5
-
$803 AUD
View
B+
Retailer 6
-
$866 AUD
View
B+
Retailer 7
-
$933 AUD
View
B+
Retailer 8
-
$954 AUD
View
B+
Retailer 9
-
$977 AUD
View
B+
Retailer 10
-
$1,000 AUD
View
Most Expensive
B
Frank Darling
2707723HK · Nov 6
$1,281 AUD
$897 USD
View
10 more retailers have this diamond
Prices start from $666 AUDSave up to $615 AUD

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
$666 AUD