CaratHunter
Plans
Marquise|Natural|GIA

0.51ct H VS2 Marquise Natural Diamond

EX • H/VS2 • GIA 2568418923

Certificate GIA 2568418923

Diamond specifications and retailer prices

From $1,009 AUD
As of November 4, 2026
Save $1,234 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,242 AUD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2568418923. Listed at 14 retailers as of November 4, 2026, with prices from $1,009 to $2,242, a $1,234 spread on the same certified stone. Flawless Fine Jewelry lists it at $2,242. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.55°
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 2568418923
Dimensions7.90 × 4.17 × 2.53 mm
L/W Ratio1.89
Culet sizeNone
Top View
7.90 mm4.17 mm0.51 ctH / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568418923
Side View
Table 60.0%Crown 39.55°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.7%

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 4
Current: $2,242 AUD|Low: $1,009 AUD|High: $2,242 AUD|Avg: $1,361 AUD
Flawless Fine Jewelry
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 11$1,009 AUD
Retailer 6$1,073 AUD
Retailer 13$1,099 AUD
Retailer 9$1,100 AUD
Retailer 10$1,123 AUD
Retailer 3$1,143 AUD
Retailer 2$1,217 AUD
Retailer 7$1,267 AUD
Retailer 8$1,474 AUD
Retailer 12$1,537 AUD
Retailer 4$1,634 AUD
Retailer 5$1,694 AUD
Flawless Fine Jewelry$2,242 AUD

42 data points across 13 retailers

14 retailers$1,009 AUD to $2,242 AUD

A
Cheapest Retailer
-
$1,009 AUD
A
Retailer 2
-
$1,073 AUD
View
A
Retailer 3
-
$1,099 AUD
View
A
Retailer 4
-
$1,100 AUD
View
A
Retailer 5
-
$1,123 AUD
View
A
Retailer 6
-
$1,143 AUD
View
B+
Retailer 7
-
$1,217 AUD
View
B+
Retailer 8
-
$1,267 AUD
View
B+
Retailer 9
-
$1,474 AUD
View
B+
Retailer 10
-
$1,493 AUD
View
B
Retailer 11
-
$1,537 AUD
View
B+
Retailer 12
-
$1,634 AUD
View
B
Retailer 13
-
$1,694 AUD
View
Most Expensive
B
Flawless Fine Jewelry
AAB1F7447 · Nov 4
$2,242 AUD
£1,236 GBP
View
13 more retailers have this diamond
Prices start from $1,009 AUDSave up to $1,234 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
$1,009 AUD