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Marquise|Natural|GIA

1.00ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 6552949517

Certificate GIA 6552949517

Diamond specifications and retailer prices

From $2,648 SGD
As of November 4, 2026
Save $4,695 SGD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,343 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552949517. Listed at 19 retailers as of November 4, 2026, with prices from $2,648 to $7,343, a $4,695 spread on the same certified stone. NZ Jewellers lists it at $7,343. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552949517
Dimensions9.28 × 5.14 × 3.42 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Top View
9.28 mm5.14 mm1.00 ctH / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552949517
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 66.6%

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 4
Current: $3,404 SGD|Low: $2,648 SGD|High: $6,219 SGD|Avg: $3,605 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$2,648 SGD
Retailer 2$2,653 SGD
Retailer 9$2,920 SGD
Retailer 3$3,018 SGD
Retailer 5$3,205 SGD
Retailer 1$3,404 SGD
Retailer 4$3,753 SGD
Retailer 7$4,095 SGD
Retailer 6$6,137 SGD

24 data points across 9 retailers

19 retailers$2,648 SGD to $7,343 SGD

A
Cheapest Retailer
-
$2,648 SGD
A
Retailer 2
-
$2,653 SGD
View
Retailer 3
-
$2,920 SGD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$3,018 SGD
View
A
Retailer 5
-
$3,205 SGD
View
B+
Retailer 6
-
$3,229 SGD
View
B+
Retailer 7
-
$3,242 SGD
View
Final sale: no returns
B+
Retailer 8
-
$3,404 SGD
View
B+
Retailer 9
-
$3,449 SGD
View
B+
Retailer 10
-
$3,493 SGD
View
B+
Retailer 11
-
$3,513 SGD
View
B+
Retailer 12
-
$3,648 SGD
View
Retailer 13
-
$3,672 SGD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$3,753 SGD
View
B+
Retailer 15
-
$4,053 SGD
View
B+
Retailer 16
-
$4,095 SGD
View
B
Retailer 17
-
$5,108 SGD
View
B
Retailer 18
-
$6,137 SGD
View
Most Expensive
B
NZ Jewellers
2b6969a7-c534-4c1d-9018-8465ec3ef127 · Nov 5
$7,343 SGD
$5,749 USD
View
18 more retailers have this diamond
Prices start from $2,648 SGDSave up to $4,695 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
$2,648 SGD