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Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 7546429184

Certificate GIA 7546429184

Diamond specifications and retailer prices

From $5,178 SGD
As of November 5, 2026
Save $6,128 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,307 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7546429184. Listed at 18 retailers as of November 5, 2026, with prices from $5,178 to $11,307, a $6,128 spread on the same certified stone. NZ Jewellers lists it at $11,307. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7546429184
Dimensions11.14 × 4.87 × 3.20 mm
L/W Ratio2.29
Key to symbols
Feather, Natural
Top View
11.14 mm4.87 mm1.00 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546429184
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $11,307 SGD|Low: $5,720 SGD|High: $11,307 SGD|Avg: $7,636 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
November 6, 2026
Retailer 3$6,240 SGD
Retailer 2$6,558 SGD
Retailer 5$6,682 SGD
Retailer 8$6,761 SGD
Retailer 9$6,761 SGD
Retailer 12$6,761 SGD
Retailer 4$6,814 SGD
Retailer 11$7,647 SGD
Retailer 10$7,800 SGD
Retailer 6$8,248 SGD
Retailer 7$10,738 SGD
NZ Jewellers$11,307 SGD

32 data points across 12 retailers

18 retailers$5,178 SGD to $11,307 SGD

B+
Cheapest Retailer
-
$5,178 SGD
B
Retailer 2
-
$5,720 SGD
View
B+
Retailer 3
-
$5,896 SGD
View
B+
Retailer 4
-
$5,947 SGD
View
B
Retailer 5
-
$6,240 SGD
View
Final sale: no returns
B
Retailer 6
-
$6,342 SGD
View
B+
Retailer 7
-
$6,558 SGD
View
B+
Retailer 8
-
$6,682 SGD
View
Retailer 9
-
$6,761 SGD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$6,761 SGD
View
B
Retailer 11
-
$6,761 SGD
View
Retailer 12
-
$6,814 SGD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$6,943 SGD
View
B
Retailer 14
-
$7,647 SGD
View
B
Retailer 15
-
$7,800 SGD
View
B
Retailer 16
-
$8,248 SGD
View
B
Retailer 17
-
$10,738 SGD
View
Most Expensive
B
NZ Jewellers
1ebd57d6-a82f-4519-ba80-93abf7bda72b · Nov 5
$11,307 SGD
$8,852 USD
View
17 more retailers have this diamond
Prices start from $5,178 SGDSave up to $6,128 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.

B+
1.00ct Marquise
$5,178 SGD