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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 $2,419 USD
HK$18,900 HKD
As of October 31, 2026
Save $3,183 USD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,602 USD 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 $2,419 to $5,602, a $3,183 spread on the same certified stone. NZ Jewellers lists it at $5,602. 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
Color
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 31
Current: $5,602 USD|Low: $2,419 USD|High: $5,602 USD|Avg: $3,656 USD
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 10$2,419 USD
Retailer 2$2,534 USD
Retailer 5$2,822 USD
Retailer 6$2,968 USD
Retailer 13$3,189 USD
Retailer 4$3,216 USD
Retailer 16$3,216 USD
Retailer 17$3,339 USD
Retailer 7$3,359 USD
Retailer 11$3,360 USD
Retailer 8$3,371 USD
Retailer 9$3,450 USD
Retailer 3$3,710 USD
Retailer 12$3,764 USD
Retailer 15$5,328 USD
Retailer 14$5,406 USD
NZ Jewellers$5,602 USD

22 data points across 17 retailers

18 retailers$2,419 USD to $5,602 USD

A
Cheapest Retailer
-
$2,419 USD
HK$18,900 HKD
A
Retailer 2
-
$2,534 USD
₹241,349 INR
View
A
Retailer 3
-
$2,822 USD
SGD 3,814 SGD
View
A
Retailer 4
-
$2,968 USD
View
Final sale: no returns
A
Retailer 5
-
$2,987 USD
View
A
Retailer 6
-
$3,189 USD
£2,511 GBP
View
A
Retailer 7
-
$3,216 USD
View
A
Retailer 8
-
$3,216 USD
View
B+
Retailer 9
-
$3,339 USD
View
B+
Retailer 10
-
$3,359 USD
View
A
Retailer 11
-
$3,360 USD
£2,646 GBP
View
B+
Retailer 12
-
$3,371 USD
SGD 4,555 SGD
View
B+
Retailer 13
-
$3,450 USD
View
B+
Retailer 14
-
$3,710 USD
View
B+
Retailer 15
-
$3,764 USD
€3,585 EUR
View
B
Retailer 16
-
$5,328 USD
£4,195 GBP
View
B
Retailer 17
-
$5,406 USD
£4,257 GBP
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Oct 30
$5,602 USD
View
17 more retailers have this diamond
Prices start from $2,419 USDSave up to $3,183 USD

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
$2,419 USD