CaratHunter
Plans
Marquise|Natural|IGI

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • IGI 803677663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803677663

Diamond specifications and retailer prices

From HK$25,535 HKD
SGD 4,398 SGD
As of October 31, 2026
Save HK$20,837 HKD (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$46,372 HKD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677663. Listed at 7 retailers as of October 27, 2026, with prices from HK$25,535 to HK$46,372, a HK$20,837 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$46,372. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 803677663
Dimensions11.89 × 5.93 × 3.70 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
11.89 mm5.93 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677663
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.4%

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: Oct 31
Current: HK$33,473 HKD|Low: HK$22,167 HKD|High: HK$51,977 HKD|Avg: HK$33,973 HKD|-10.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 28, 2026
Retailer 7HK$22,167 HKD
Retailer 4HK$25,535 HKD
Retailer 3HK$26,787 HKD
Retailer 2HK$27,030 HKD
Retailer 5HK$32,448 HKD
Retailer 1HK$33,473 HKD
Retailer 8HK$34,468 HKD
Retailer 6HK$43,171 HKD
Wholesale Diamonds DirectHK$46,372 HKD

28 data points across 9 retailers

7 retailersHK$25,535 HKD to HK$46,372 HKD

A
Cheapest Retailer
-
HK$25,535 HKD
SGD 4,398 SGD
A
Retailer 2
-
HK$26,787 HKD
$3,414 USD
View
A
Retailer 3
-
HK$27,030 HKD
$3,445 USD
View
A
Retailer 4
-
HK$32,448 HKD
$4,136 USD
View
A
Retailer 5
-
HK$33,473 HKD
€4,063 EUR
View
A
Retailer 6
-
HK$34,468 HKD
$4,393 USD
View
Most Expensive
A
Wholesale Diamonds Direct
611240087 · Oct 27
HK$46,372 HKD
$5,910 USD
View
6 more retailers have this diamond
Prices start from HK$25,535 HKDSave up to HK$20,837 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.

A
1.51ct Marquise
HK$25,535 HKD