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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 2556942302

Certificate GIA 2556942302

Diamond specifications and retailer prices

From $3,426 AUD
HK$18,800 HKD
As of October 30, 2026
Save $4,549 AUD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,975 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556942302. Listed at 18 retailers as of October 30, 2026, with prices from $3,426 to $7,975, a $4,549 spread on the same certified stone. NZ Jewellers lists it at $7,975. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556942302
Dimensions9.82 × 5.16 × 3.29 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
9.82 mm5.16 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556942302
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.8%

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 30
Current: $7,975 AUD|Low: $3,598 AUD|High: $7,975 AUD|Avg: $5,202 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
October 31, 2026
Retailer 9$3,620 AUD
Retailer 4$4,018 AUD
Retailer 5$4,225 AUD
Retailer 10$4,540 AUD
Retailer 3$4,578 AUD
Retailer 14$4,578 AUD
Retailer 15$4,753 AUD
Retailer 6$4,782 AUD
Retailer 11$4,783 AUD
Retailer 7$4,799 AUD
Retailer 8$4,911 AUD
Retailer 16$5,282 AUD
Retailer 2$5,359 AUD
Retailer 13$7,584 AUD
Retailer 12$7,697 AUD
NZ Jewellers$7,975 AUD

23 data points across 16 retailers

18 retailers$3,426 AUD to $7,975 AUD

A
Cheapest Retailer
-
$3,426 AUD
HK$18,800 HKD
A
Retailer 2
-
$3,620 AUD
₹242,190 INR
View
A
Retailer 3
-
$4,018 AUD
SGD 3,814 SGD
View
A
Retailer 4
-
$4,225 AUD
$2,968 USD
View
Final sale: no returns
A
Retailer 5
-
$4,252 AUD
$2,987 USD
View
A
Retailer 6
-
$4,540 AUD
£2,511 GBP
View
A
Retailer 7
-
$4,578 AUD
$3,216 USD
View
A
Retailer 8
-
$4,578 AUD
$3,216 USD
View
A
Retailer 9
-
$4,753 AUD
$3,339 USD
View
B+
Retailer 10
-
$4,782 AUD
$3,359 USD
View
A
Retailer 11
-
$4,783 AUD
£2,646 GBP
View
B+
Retailer 12
-
$4,799 AUD
SGD 4,555 SGD
View
B+
Retailer 13
-
$4,911 AUD
$3,450 USD
View
B+
Retailer 14
-
$5,282 AUD
$3,710 USD
View
B+
Retailer 15
-
$5,359 AUD
€3,585 EUR
View
B
Retailer 16
-
$7,584 AUD
£4,195 GBP
View
B
Retailer 17
-
$7,697 AUD
£4,257 GBP
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Oct 30
$7,975 AUD
$5,602 USD
View
17 more retailers have this diamond
Prices start from $3,426 AUDSave up to $4,549 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
$3,426 AUD