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Marquise|Natural|GIA

0.66ct K VS1 Marquise Natural Diamond

EX • K/VS1 • GIA 2557085282

Certificate GIA 2557085282

Diamond specifications and retailer prices

From $1,119 AUD
As of November 6, 2026
Save $227 AUD (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,346 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.66ct natural marquise diamond

This 0.66ct 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 2557085282. Listed at 4 retailers as of November 6, 2026, with prices from $1,119 to $1,346, a $227 spread on the same certified stone. 77 Diamonds lists it at $1,346. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
K
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle40.94°
OriginNatural
Grading LabGIA
CertificateGIA 2557085282
Dimensions8.66 × 4.53 × 2.90 mm
L/W Ratio1.91
Top View
8.66 mm4.53 mm0.66 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557085282
Side View
Table 60.0%Crown 37.3°Girdle: STK-THKPavilion 40.94°Culet: NoneDepth 63.9%

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 6
Current: $1,346 AUD|Low: $661 AUD|High: $1,648 AUD|Avg: $1,300 AUD|+6.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$661 AUD
Retailer 9$1,038 AUD
Retailer 6$1,093 AUD
Retailer 5$1,119 AUD
Retailer 2$1,294 AUD
77 Diamonds$1,346 AUD
Retailer 8$1,349 AUD
Retailer 11$1,407 AUD
Retailer 7$1,423 AUD
Retailer 3$1,610 AUD
Retailer 12$1,634 AUD
Retailer 10$1,648 AUD

34 data points across 12 retailers

4 retailers$1,119 AUD to $1,346 AUD

A
Cheapest Retailer
-
$1,119 AUD
B+
Retailer 2
-
$1,237 AUD
View
B+
Retailer 3
-
$1,294 AUD
View
Most Expensive
B+
77 Diamonds
MQZBQRUDFKR · Nov 6
$1,346 AUD
£728 GBP
View
3 more retailers have this diamond
Prices start from $1,119 AUDSave up to $227 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
0.66ct Marquise
$1,119 AUD