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Marquise|Natural|GIA

1.00ct H SI1 Marquise Natural Diamond

VG • H/SI1 • GIA 5493415012

Certificate GIA 5493415012

Diamond specifications and retailer prices

From $4,978 AUD
As of November 5, 2026
Save $5,518 AUD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,235 AUD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5493415012. Listed at 17 retailers as of November 4, 2026, with a 111% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5493415012
Dimensions9.53 × 5.15 × 3.31 mm
L/W Ratio1.85
Top View
9.53 mm5.15 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5493415012
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,062 AUD|Low: $5,455 AUD|High: $10,652 AUD|Avg: $6,799 AUD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8$5,763 AUD
Retailer 12$5,910 AUD
Retailer 10$5,921 AUD
Retailer 3$5,965 AUD
Retailer 11$6,100 AUD
Retailer 5$6,405 AUD
Retailer 4$6,448 AUD
Retailer 2$6,661 AUD
Retailer 6$6,810 AUD
Retailer 9$7,477 AUD
Retailer 1$8,062 AUD
Retailer 7$10,497 AUD

36 data points across 12 retailers

17 retailers$4,978 AUD to $10,497 AUD

B
Cheapest Retailer
-
$4,978 AUD
B
Retailer 2
-
$5,763 AUD
View
B
Retailer 3
-
$5,910 AUD
View
B
Retailer 4
-
$5,921 AUD
View
B
Retailer 5
-
$5,965 AUD
View
B
Retailer 6
-
$6,100 AUD
View
Final sale: no returns
B
Retailer 7
-
$6,405 AUD
View
Retailer 8
-
$6,448 AUD
View
Price last confirmed 37 days ago
Retailer 9
-
$6,448 AUD
View
Price last confirmed 35 days ago
Retailer 10
-
$6,661 AUD
View
Price last confirmed 27 days ago
B
Retailer 11
-
$6,810 AUD
View
Retailer 12
-
$7,441 AUD
View
Price last confirmed 60 days ago
Retailer 13
-
$7,441 AUD
View
Price last confirmed 37 days ago
B
Retailer 14
-
$7,477 AUD
View
B
Retailer 15
-
$8,062 AUD
View
B
Retailer 16
-
$10,497 AUD
View
Most Expensive
NZ Jewellers
e464fbef-28c8-4130-976f-443b931f769a · Sep 29
$11,235 AUD
$7,865 USD
View
Price last confirmed 37 days ago
16 more retailers have this diamond
Prices start from $4,978 AUDSave up to $5,518 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.

B
1.00ct Marquise
$4,978 AUD