Marquise|Natural|IGI

1.22ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 790682820

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 790682820

Diamond specifications and retailer prices

From $3,182 SGD
As of November 4, 2026
Save $4,246 SGD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,428 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.22ct natural marquise diamond

This 1.22ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 790682820. Listed at 15 retailers as of November 4, 2026, with prices from $3,182 to $7,428, a $4,246 spread on the same certified stone. NZ Jewellers lists it at $7,428. 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

1.22
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 790682820
Dimensions10.51 × 5.58 × 3.46 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
10.51 mm5.58 mm1.22 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 790682820
Side View
Table 55.0%Crown 36.3°Girdle: THK-VTKPavilion 36.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,805 SGD|Low: $3,250 SGD|High: $6,300 SGD|Avg: $4,089 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$3,292 SGD
Retailer 5$3,392 SGD
Retailer 7$3,492 SGD
Retailer 1$3,805 SGD
Retailer 4$4,142 SGD
Retailer 2$4,337 SGD
Retailer 3$6,209 SGD

45 data points across 7 retailers

15 retailers$3,182 SGD to $7,428 SGD

B+
Cheapest Retailer
-
$3,182 SGD
B+
Retailer 2
-
$3,292 SGD
View
B+
Retailer 3
-
$3,392 SGD
View
B+
Retailer 4
-
$3,492 SGD
View
B+
Retailer 5
-
$3,554 SGD
View
Retailer 6
-
$3,554 SGD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$3,690 SGD
View
B
Retailer 8
-
$3,735 SGD
View
B+
Retailer 9
-
$3,805 SGD
View
Retailer 10
-
$4,100 SGD
View
Price last confirmed 56 days ago
B
Retailer 11
-
$4,100 SGD
View
B
Retailer 12
-
$4,142 SGD
View
B
Retailer 13
-
$4,337 SGD
View
B
Retailer 14
-
$6,209 SGD
View
Most Expensive
C
NZ Jewellers
a56808f0-f9c6-45af-a76b-9f1ec858b78b · Nov 5
$7,428 SGD
$5,796 USD
View
14 more retailers have this diamond
Prices start from $3,182 SGDSave up to $4,246 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.

B+
1.22ct Marquise
$3,182 SGD