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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 $3,093 SGD
HK$18,900 HKD
As of October 31, 2026
Save $4,069 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,162 SGD 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 $3,093 to $7,162, a $4,069 spread on the same certified stone. NZ Jewellers lists it at $7,162. 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 31
Current: $7,162 SGD|Low: $3,093 SGD|High: $7,162 SGD|Avg: $4,679 SGD
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
November 1, 2026
Retailer 13$3,093 SGD
Retailer 12$3,240 SGD
Retailer 5$3,608 SGD
Retailer 6$3,794 SGD
Retailer 2$4,065 SGD
Retailer 4$4,111 SGD
Retailer 16$4,111 SGD
Retailer 17$4,269 SGD
Retailer 7$4,295 SGD
Retailer 11$4,296 SGD
Retailer 8$4,309 SGD
Retailer 9$4,410 SGD
Retailer 3$4,743 SGD
Retailer 14$4,812 SGD
Retailer 15$6,811 SGD
Retailer 10$6,876 SGD
NZ Jewellers$7,162 SGD

23 data points across 17 retailers

18 retailers$3,093 SGD to $7,162 SGD

A
Cheapest Retailer
-
$3,093 SGD
HK$18,900 HKD
A
Retailer 2
-
$3,240 SGD
₹241,349 INR
View
A
Retailer 3
-
$3,608 SGD
View
A
Retailer 4
-
$3,794 SGD
$2,968 USD
View
Final sale: no returns
A
Retailer 5
-
$3,819 SGD
$2,987 USD
View
A
Retailer 6
-
$4,065 SGD
£2,504 GBP
View
A
Retailer 7
-
$4,111 SGD
$3,216 USD
View
A
Retailer 8
-
$4,111 SGD
$3,216 USD
View
B+
Retailer 9
-
$4,269 SGD
$3,339 USD
View
B+
Retailer 10
-
$4,295 SGD
$3,359 USD
View
A
Retailer 11
-
$4,296 SGD
£2,646 GBP
View
B+
Retailer 12
-
$4,309 SGD
View
B+
Retailer 13
-
$4,410 SGD
$3,450 USD
View
B+
Retailer 14
-
$4,743 SGD
$3,710 USD
View
B+
Retailer 15
-
$4,812 SGD
€3,585 EUR
View
B
Retailer 16
-
$6,811 SGD
£4,195 GBP
View
B
Retailer 17
-
$6,876 SGD
£4,235 GBP
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Oct 30
$7,162 SGD
$5,602 USD
View
17 more retailers have this diamond
Prices start from $3,093 SGDSave up to $4,069 SGD

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
$3,093 SGD