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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843628745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843628745

Diamond specifications and retailer prices

From HK$11,730 HKD
$1,495 USD
As of November 2, 2026
Save HK$19,278 HKD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$31,008 HKD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 843628745. Listed at 13 retailers as of November 2, 2026, with prices from HK$11,730 to HK$31,008, a HK$19,278 spread on the same certified stone. NZ Jewellers lists it at HK$31,008. 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

1.00
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle28.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 843628745
Dimensions10.75 × 5.25 × 2.98 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeMedium
Top View
10.75 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 843628745
Side View
Table 63.0%Crown 28.5°Girdle: MED-THKPavilion 41.2°Culet: MediumDepth 56.8%

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: HK$31,008 HKD|Low: HK$11,730 HKD|High: HK$32,020 HKD|Avg: HK$15,436 HKD|-3.2%
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
November 3, 2026
Retailer 3HK$11,730 HKD
Retailer 13HK$11,785 HKD
Retailer 7HK$11,808 HKD
Retailer 5HK$12,711 HKD
Retailer 12HK$12,711 HKD
Retailer 11HK$12,970 HKD
Retailer 4HK$13,299 HKD
Retailer 2HK$14,485 HKD
Retailer 10HK$14,672 HKD
Retailer 8HK$15,520 HKD
Retailer 9HK$17,358 HKD
Retailer 6HK$22,271 HKD
NZ JewellersHK$31,008 HKD

14 data points across 13 retailers

13 retailersHK$11,730 HKD to HK$31,008 HKD

A
Cheapest Retailer
-
HK$11,730 HKD
$1,495 USD
Final sale: no returns
A
Retailer 2
-
HK$11,785 HKD
$1,502 USD
View
A
Retailer 3
-
HK$11,808 HKD
$1,505 USD
View
A
Retailer 4
-
HK$12,711 HKD
$1,620 USD
View
A
Retailer 5
-
HK$12,711 HKD
$1,620 USD
View
A
Retailer 6
-
HK$12,970 HKD
$1,653 USD
View
A
Retailer 7
-
HK$13,299 HKD
$1,695 USD
View
A
Retailer 8
-
HK$14,485 HKD
£1,454 GBP
View
B+
Retailer 9
-
HK$14,672 HKD
$1,870 USD
View
A
Retailer 10
-
HK$15,520 HKD
ZAR 31,955 ZAR
View
A
Retailer 11
-
HK$17,358 HKD
€2,107 EUR
View
B+
Retailer 12
-
HK$22,271 HKD
£2,235 GBP
View
Most Expensive
B
NZ Jewellers
dd248388-ee08-40d2-9639-c78f6ee0dd9a · Nov 3
HK$31,008 HKD
$3,952 USD
View
12 more retailers have this diamond
Prices start from HK$11,730 HKDSave up to HK$19,278 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
1.00ct Marquise
HK$11,730 HKD