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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 807646677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 807646677

Diamond specifications and retailer prices

From HK$10,828 HKD
SGD 1,865 SGD
As of October 29, 2026
Save HK$18,139 HKD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$28,968 HKD at NZ Jewellers · As of October 27, 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 807646677. Listed at 14 retailers as of October 27, 2026, with prices from HK$10,828 to HK$28,968, a HK$18,139 spread on the same certified stone. NZ Jewellers lists it at HK$28,968. 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
SymmetryVery Good
FluorescenceFaint
Crown angle36.9°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 807646677
Dimensions9.18 × 5.25 × 3.40 mm
L/W Ratio1.75
Girdle conditionFaceted
Top View
9.18 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 807646677
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 64.8%

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: Oct 29
Current: HK$11,479 HKD|Low: HK$9,882 HKD|High: HK$21,055 HKD|Avg: HK$13,773 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8HK$10,005 HKD
Retailer 9HK$10,828 HKD
Retailer 10HK$10,961 HKD
Retailer 1HK$11,479 HKD
Retailer 6HK$11,926 HKD
Retailer 11HK$12,428 HKD
Retailer 7HK$13,523 HKD
Retailer 3HK$13,707 HKD
Retailer 5HK$16,197 HKD
Retailer 2HK$17,123 HKD
Retailer 4HK$20,926 HKD

33 data points across 11 retailers

14 retailersHK$10,828 HKD to HK$28,968 HKD

Retailer 1
-
HK$10,005 HKD
€1,214 EUR
Price last confirmed 7 days ago
A
Retailer 2
-
HK$10,828 HKD
SGD 1,865 SGD
View
A
Retailer 3
-
HK$10,906 HKD
$1,390 USD
View
A
Retailer 4
-
HK$11,479 HKD
$1,463 USD
View
A
Retailer 5
-
HK$11,848 HKD
$1,510 USD
View
Retailer 6
-
HK$11,879 HKD
$1,514 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
HK$11,926 HKD
$1,520 USD
View
Retailer 8
-
HK$12,428 HKD
$1,584 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$13,523 HKD
£1,357 GBP
View
B+
Retailer 10
-
HK$13,707 HKD
$1,747 USD
View
B+
Retailer 11
-
HK$16,197 HKD
€1,966 EUR
View
Retailer 12
-
HK$17,123 HKD
$2,182 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
HK$20,926 HKD
£2,100 GBP
View
Most Expensive
B
NZ Jewellers
4d1f7614-4d6b-415c-b36a-05c362ee557a · Oct 27
HK$28,968 HKD
$3,692 USD
View
13 more retailers have this diamond
Prices start from HK$10,828 HKDSave up to HK$18,139 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$10,828 HKD