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Marquise|Natural|GIA

0.51ct E SI1 Marquise Natural Diamond

VG • E/SI1 • GIA 2568696492

Certificate GIA 2568696492

Diamond specifications and retailer prices

From $728 AUD
₹48,726 INR
As of October 31, 2026
Save $2,344 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,072 AUD at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2568696492. Listed at 17 retailers as of October 30, 2026, with prices from $728 to $3,072, a $2,344 spread on the same certified stone. NZ Jewellers lists it at $3,072. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2568696492
Dimensions8.01 × 4.21 × 2.64 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
8.01 mm4.21 mm0.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568696492
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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: Oct 31
Current: $3,072 AUD|Low: $682 AUD|High: $3,072 AUD|Avg: $1,210 AUD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 2$728 AUD
Retailer 9$839 AUD
Retailer 6$904 AUD
Retailer 14$907 AUD
Retailer 3$979 AUD
Retailer 5$979 AUD
Retailer 4$1,016 AUD
Retailer 15$1,123 AUD
Retailer 12$1,130 AUD
Retailer 8$1,168 AUD
Retailer 10$1,174 AUD
Retailer 16$1,206 AUD
Retailer 11$1,209 AUD
Retailer 17$1,239 AUD
Retailer 7$1,344 AUD
Retailer 13$1,512 AUD
NZ Jewellers$3,072 AUD

9 data points across 17 retailers

17 retailers$728 AUD to $3,072 AUD

A
Cheapest Retailer
-
$728 AUD
₹48,726 INR
A
Retailer 2
-
$839 AUD
$589 USD
View
B+
Retailer 3
-
$904 AUD
$635 USD
View
Final sale: no returns
A
Retailer 4
-
$907 AUD
View
A
Retailer 5
-
$979 AUD
$688 USD
View
A
Retailer 6
-
$979 AUD
$688 USD
View
A
Retailer 7
-
$1,016 AUD
$714 USD
View
A
Retailer 8
-
$1,123 AUD
$789 USD
View
B+
Retailer 9
-
$1,130 AUD
$794 USD
View
B+
Retailer 10
-
$1,168 AUD
$820 USD
View
B+
Retailer 11
-
$1,174 AUD
$824 USD
View
B+
Retailer 12
-
$1,206 AUD
£667 GBP
View
B+
Retailer 13
-
$1,209 AUD
£669 GBP
View
B+
Retailer 14
-
$1,239 AUD
$870 USD
View
B+
Retailer 15
-
$1,344 AUD
$944 USD
View
B
Retailer 16
-
$1,512 AUD
ZAR 17,156 ZAR
View
Most Expensive
B
NZ Jewellers
1c7f8336-3a2d-4f4c-8a77-82a361f916a0 · Oct 30
$3,072 AUD
$2,158 USD
View
16 more retailers have this diamond
Prices start from $728 AUDSave up to $2,344 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
$728 AUD