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Marquise|Natural|HRD

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • HRD 260000227739

Certificate HRD 260000227739

Diamond specifications and retailer prices

From $2,820 SGD
As of November 3, 2026
Save $3,462 SGD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,282 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000227739. Listed at 8 retailers as of November 2, 2026, with prices from $2,820 to $6,282, a $3,462 spread on the same certified stone. MOH London lists it at $6,282. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000227739
Dimensions10.08 × 5.30 × 3.23 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.08 mm5.30 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000227739
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.0%

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 3
Current: $6,282 SGD|Low: $2,815 SGD|High: $6,443 SGD|Avg: $3,967 SGD|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 4$2,820 SGD
Retailer 7$3,363 SGD
Retailer 5$3,584 SGD
Retailer 6$3,756 SGD
Retailer 8$3,938 SGD
Retailer 2$4,023 SGD
Retailer 3$4,120 SGD
MOH London$6,282 SGD

37 data points across 8 retailers

8 retailers$2,820 SGD to $6,282 SGD

A
Cheapest Retailer
-
$2,820 SGD
A
Retailer 2
-
$3,363 SGD
View
A
Retailer 3
-
$3,584 SGD
View
B+
Retailer 4
-
$3,756 SGD
View
B+
Retailer 5
-
$3,938 SGD
View
B+
Retailer 6
-
$4,023 SGD
View
B+
Retailer 7
-
$4,120 SGD
View
Most Expensive
B
MOH London
7159C9704 · Nov 2
$6,282 SGD
£3,861 GBP
View
7 more retailers have this diamond
Prices start from $2,820 SGDSave up to $3,462 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
$2,820 SGD