CaratHunter
Plans
Marquise|Natural|IGI

1.50ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843696740

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843696740

Diamond specifications and retailer prices

From $5,425 SGD
₹404,025 INR
As of November 2, 2026
Save $6,344 SGD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,770 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 843696740. Listed at 16 retailers as of October 30, 2026, with prices from $5,425 to $11,770, a $6,344 spread on the same certified stone. NZ Jewellers lists it at $11,770. 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

1.50
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 843696740
Dimensions11.26 × 5.84 × 3.74 mm
L/W Ratio1.93
Girdle conditionFaceted
Top View
11.26 mm5.84 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843696740
Side View
Table 57.0%Crown 37.8°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 64.0%

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 2
Current: $11,770 SGD|Low: $5,425 SGD|High: $13,192 SGD|Avg: $7,934 SGD|-10.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 9$5,425 SGD
Retailer 10$6,061 SGD
Retailer 7$6,310 SGD
Retailer 13$6,414 SGD
Retailer 4$6,586 SGD
Retailer 11$6,593 SGD
Retailer 14$6,913 SGD
Retailer 16$6,948 SGD
Retailer 5$6,990 SGD
Retailer 6$7,037 SGD
Retailer 8$7,037 SGD
Retailer 12$7,652 SGD
Retailer 2$8,017 SGD
Retailer 3$8,650 SGD
Retailer 15$11,209 SGD
NZ Jewellers$11,770 SGD

18 data points across 16 retailers

16 retailers$5,425 SGD to $11,770 SGD

A
Cheapest Retailer
-
$5,425 SGD
₹404,025 INR
A
Retailer 2
-
$6,061 SGD
$4,739 USD
View
A
Retailer 3
-
$6,310 SGD
$4,934 USD
View
A
Retailer 4
-
$6,414 SGD
$5,015 USD
View
Final sale: no returns
A
Retailer 5
-
$6,586 SGD
$5,150 USD
View
A
Retailer 6
-
$6,593 SGD
£4,059 GBP
View
A
Retailer 7
-
$6,913 SGD
£4,256 GBP
View
A
Retailer 8
-
$6,948 SGD
$5,433 USD
View
A
Retailer 9
-
$6,990 SGD
$5,465 USD
View
Retailer 10
-
$7,037 SGD
$5,502 USD
View
Price last confirmed 8 days ago
Retailer 11
-
$7,037 SGD
$5,502 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,652 SGD
€5,698 EUR
View
B+
Retailer 13
-
$8,017 SGD
$6,269 USD
View
B+
Retailer 14
-
$8,650 SGD
ZAR 109,265 ZAR
View
B
Retailer 15
-
$11,209 SGD
£6,901 GBP
View
Most Expensive
B
NZ Jewellers
23bbefd9-0c06-49a8-807a-6b34138f14a2 · Oct 30
$11,770 SGD
$9,203 USD
View
15 more retailers have this diamond
Prices start from $5,425 SGDSave up to $6,344 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
1.50ct Marquise
$5,425 SGD