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Marquise|Natural|GIA

1.00ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 7553268230

Certificate GIA 7553268230

Diamond specifications and retailer prices

From $1,405 SGD
As of November 6, 2026
Save $3,198 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,603 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553268230. Listed at 14 retailers as of November 5, 2026, with prices from $1,405 to $4,603, a $3,198 spread on the same certified stone. NZ Jewellers lists it at $4,603. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553268230
Dimensions9.54 × 5.30 × 3.11 mm
L/W Ratio1.80
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Indented Natural, Feather, Cavity, Needle, Natural
Top View
9.54 mm5.30 mm1.00 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553268230
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 58.7%

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: Nov 6
Current: $1,962 SGD|Low: $1,405 SGD|High: $3,347 SGD|Avg: $2,214 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,405 SGD
Retailer 2$1,750 SGD
Retailer 8$1,925 SGD
Retailer 1$1,962 SGD
Retailer 9$2,060 SGD
Retailer 3$2,085 SGD
Retailer 10$2,245 SGD
Retailer 6$2,400 SGD
Retailer 5$2,626 SGD
Retailer 4$3,297 SGD

40 data points across 10 retailers

14 retailers$1,405 SGD to $4,603 SGD

A
Cheapest Retailer
-
$1,405 SGD
A
Retailer 2
-
$1,750 SGD
View
Retailer 3
-
$1,888 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,888 SGD
View
B+
Retailer 5
-
$1,962 SGD
View
B+
Retailer 6
-
$1,975 SGD
View
B+
Retailer 7
-
$2,060 SGD
View
A
Retailer 8
-
$2,085 SGD
View
B+
Retailer 9
-
$2,178 SGD
View
B+
Retailer 10
-
$2,400 SGD
View
B+
Retailer 11
-
$2,626 SGD
View
B+
Retailer 12
-
$2,713 SGD
View
B
Retailer 13
-
$3,297 SGD
View
Most Expensive
B
NZ Jewellers
2a836711-b754-4260-b468-1965efb65909 · Nov 5
$4,603 SGD
$3,604 USD
View
13 more retailers have this diamond
Prices start from $1,405 SGDSave up to $3,198 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
$1,405 SGD