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Marquise|Natural|IGI

1.02ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 814631406

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814631406

Diamond specifications and retailer prices

From $2,775 SGD
As of November 6, 2026
Save $3,647 SGD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,422 SGD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 814631406. Listed at 12 retailers as of November 5, 2026, with prices from $2,775 to $6,422, a $3,647 spread on the same certified stone. NZ Jewellers lists it at $6,422. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.5°
OriginNatural
Grading LabIGI
CertificateIGI 814631406
Dimensions10.31 × 5.29 × 2.98 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
10.31 mm5.29 mm1.02 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814631406
Side View
Table 64.0%Crown 41.2°Girdle: STK-THKPavilion 35.5°Culet: NoneDepth 56.3%

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 6
Current: $6,422 SGD|Low: $2,775 SGD|High: $6,422 SGD|Avg: $3,809 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$2,775 SGD
Retailer 2$2,980 SGD
Retailer 7$3,063 SGD
Retailer 9$3,072 SGD
Retailer 10$3,072 SGD
Retailer 8$3,213 SGD
Retailer 4$3,307 SGD
Retailer 3$3,814 SGD
Retailer 5$5,380 SGD
NZ Jewellers$6,422 SGD

43 data points across 10 retailers

12 retailers$2,775 SGD to $6,422 SGD

A
Cheapest Retailer
-
$2,775 SGD
A
Retailer 2
-
$2,980 SGD
View
B+
Retailer 3
-
$3,063 SGD
View
B+
Retailer 4
-
$3,072 SGD
View
Retailer 5
-
$3,072 SGD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$3,213 SGD
View
B+
Retailer 7
-
$3,250 SGD
View
B+
Retailer 8
-
$3,307 SGD
View
B+
Retailer 9
-
$3,545 SGD
View
B+
Retailer 10
-
$3,814 SGD
View
B
Retailer 11
-
$5,380 SGD
View
Most Expensive
C
NZ Jewellers
3eac5340-a13c-4096-af2b-684dc56942ad · Nov 5
$6,422 SGD
$5,011 USD
View
11 more retailers have this diamond
Prices start from $2,775 SGDSave up to $3,647 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
$2,775 SGD