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Marquise|Natural|IGI

1.02ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 790690528

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 790690528

Diamond specifications and retailer prices

From $3,017 SGD
As of November 4, 2026
Save $2,868 SGD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,636 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 790690528. Listed at 14 retailers as of November 4, 2026, with a 95% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle32°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 790690528
Dimensions11.57 × 5.13 × 2.99 mm
L/W Ratio2.26
Girdle conditionFaceted
Culet sizePointed
Top View
11.57 mm5.13 mm1.02 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 790690528
Side View
Table 65.0%Crown 32°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 58.3%

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: $4,112 SGD|Low: $2,685 SGD|High: $5,933 SGD|Avg: $3,670 SGD|+9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6$3,017 SGD
Retailer 9$3,058 SGD
Retailer 8$3,109 SGD
Retailer 7$3,327 SGD
Retailer 2$3,375 SGD
Retailer 5$3,548 SGD
Retailer 1$4,112 SGD
Retailer 4$4,188 SGD
Retailer 3$5,885 SGD

40 data points across 9 retailers

14 retailers$3,017 SGD to $5,885 SGD

A
Cheapest Retailer
-
$3,017 SGD
Retailer 2
-
$3,058 SGD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$3,109 SGD
View
Final sale: no returns
Retailer 4
-
$3,174 SGD
View
Price last confirmed 28 days ago
Retailer 5
-
$3,174 SGD
View
Price last confirmed 20 days ago
Retailer 6
-
$3,320 SGD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
$3,327 SGD
View
B+
Retailer 8
-
$3,375 SGD
View
B+
Retailer 9
-
$3,548 SGD
View
Retailer 10
-
$3,662 SGD
View
Price last confirmed 27 days ago
B
Retailer 11
-
$4,112 SGD
View
B
Retailer 12
-
$4,188 SGD
View
B
Retailer 13
-
$5,885 SGD
View
Most Expensive
NZ Jewellers
37995619-7953-485b-b3ea-6febf913780e · Sep 30
$6,636 SGD
$5,195 USD
View
Price last confirmed 36 days ago
13 more retailers have this diamond
Prices start from $3,017 SGDSave up to $2,868 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
1.02ct Marquise
$3,017 SGD