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Marquise|Natural|IGI

1.50ct L SI1 Marquise Natural Diamond

VG • L/SI1 • IGI 512234554

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 512234554

Diamond specifications and retailer prices

From HK$25,378 HKD
As of November 6, 2026
Save HK$10,403 HKD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$35,781 HKD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 512234554. Listed at 8 retailers as of November 5, 2026, with prices from HK$25,378 to HK$35,781, a HK$10,403 spread on the same certified stone. Cape Diamonds lists it at HK$35,781. 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
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle45.4°
Pavilion angle30.3°
OriginNatural
Grading LabIGI
CertificateIGI 512234554
Dimensions10.58 × 6.21 × 3.32 mm
L/W Ratio1.70
Girdle conditionFaceted
Culet sizePointed
Top View
10.58 mm6.21 mm1.50 ctL / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 512234554
Side View
Table 66.0%Crown 45.4°Girdle: STK-VTKPavilion 30.3°Culet: NoneDepth 53.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$35,781 HKD|Low: HK$21,380 HKD|High: HK$36,031 HKD|Avg: HK$28,456 HKD|+2.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4HK$21,435 HKD
Retailer 5HK$25,378 HKD
Retailer 6HK$26,020 HKD
Retailer 2HK$26,914 HKD
Retailer 3HK$34,312 HKD
Cape DiamondsHK$35,781 HKD

42 data points across 6 retailers

8 retailersHK$25,378 HKD to HK$35,781 HKD

Retailer 1
-
HK$21,435 HKD
Price last confirmed 7 days ago
B
Retailer 2
-
HK$25,378 HKD
View
B
Retailer 3
-
HK$26,020 HKD
View
B
Retailer 4
-
HK$26,914 HKD
View
B
Retailer 5
-
HK$28,097 HKD
View
B
Retailer 6
-
HK$30,456 HKD
View
B
Retailer 7
-
HK$34,312 HKD
View
Most Expensive
B
Cape Diamonds
cert_512234554 · Nov 5
HK$35,781 HKD
ZAR 73,754 ZAR
View
7 more retailers have this diamond
Prices start from HK$25,378 HKDSave up to HK$10,403 HKD

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
1.50ct Marquise
HK$25,378 HKD