Marquise|Natural|GIA

1.00ct E VS1 Marquise Natural Diamond

EX • E/VS1 • GIA 6551907053

Certificate GIA 6551907053

Diamond specifications and retailer prices

From $6,448 AUD
₹431,365 INR
As of November 2, 2026
Save $1,990 AUD (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,438 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551907053. Listed at 6 retailers as of October 31, 2026, with prices from $6,448 to $8,438, a $1,990 spread on the same certified stone. Blue Nile lists it at $8,438. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551907053
Dimensions9.91 × 5.32 × 3.28 mm
L/W Ratio1.86
Culet sizeNone
Key to symbols
Feather, Needle, Indented Natural
Top View
9.91 mm5.32 mm1.00 ctE / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6551907053
Side View
Table 55.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.7%

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 2
Current: $8,438 AUD|Low: $6,228 AUD|High: $8,638 AUD|Avg: $7,364 AUD|-2.3%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$6,448 AUD
Retailer 6$7,236 AUD
Retailer 5$7,384 AUD
Retailer 3$7,571 AUD
Retailer 4$7,600 AUD
Blue Nile$8,438 AUD

46 data points across 6 retailers

6 retailers$6,448 AUD to $8,438 AUD

A
Cheapest Retailer
-
$6,448 AUD
₹431,365 INR
A
Retailer 2
-
$7,236 AUD
$5,083 USD
View
A
Retailer 3
-
$7,384 AUD
$5,187 USD
View
Final sale: no returns
A
Retailer 4
-
$7,571 AUD
£4,188 GBP
View
A
Retailer 5
-
$7,600 AUD
SGD 7,214 SGD
View
Most Expensive
B+
Blue Nile
30010810 · Oct 31
$8,438 AUD
$5,927 USD
View
5 more retailers have this diamond
Prices start from $6,448 AUDSave up to $1,990 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
1.00ct Marquise
$6,448 AUD