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Marquise|Natural|IGI

1.00ct H IF Marquise Natural Diamond

VG • H/IF • IGI 819639888

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 819639888

Diamond specifications and retailer prices

From $4,547 SGD
As of November 5, 2026
Save $4,091 SGD (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,638 SGD at MOH London · As of November 7, 2026
View at MOH London

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 819639888. Listed at 4 retailers as of November 5, 2026, with prices from $4,547 to $8,638, a $4,091 spread on the same certified stone. MOH London lists it at $8,638. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 819639888
Dimensions10.08 × 4.99 × 3.27 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizeNone
Top View
10.08 mm4.99 mm1.00 ctH / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819639888
Side View
Table 60.0%Crown 41°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 65.5%

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 5
Current: $8,638 SGD|Low: $4,341 SGD|High: $9,418 SGD|Avg: $6,533 SGD|-3.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3$4,547 SGD
Retailer 4$4,948 SGD
Retailer 7$5,196 SGD
Retailer 6$5,406 SGD
Retailer 2$5,793 SGD
MOH London$8,638 SGD
Retailer 5$9,418 SGD

33 data points across 7 retailers

4 retailers$4,547 SGD to $8,638 SGD

A
Cheapest Retailer
-
$4,547 SGD
A
Retailer 2
-
$4,948 SGD
View
B+
Retailer 3
-
$5,793 SGD
View
Most Expensive
B
MOH London
F9682E8C3 · Nov 7
$8,638 SGD
£5,307 GBP
View
3 more retailers have this diamond
Prices start from $4,547 SGDSave up to $4,091 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
$4,547 SGD