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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 1559004511

Certificate GIA 1559004511

Diamond specifications and retailer prices

From HK$15,218 HKD
£1,527 GBP
As of November 2, 2026
Save HK$22,836 HKD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$38,054 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559004511. Listed at 8 retailers as of October 30, 2026, with prices from HK$15,218 to HK$38,054, a HK$22,836 spread on the same certified stone. NZ Jewellers lists it at HK$38,054. 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

1.01
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle42.17°
Pavilion angle40.84°
OriginNatural
Grading LabGIA
CertificateGIA 1559004511
Dimensions9.13 × 5.13 × 3.48 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Crystal, Feather
Top View
9.13 mm5.13 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1559004511
Side View
Table 61.0%Crown 42.17°Girdle: Very ThickPavilion 40.84°Culet: NoneDepth 67.8%

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$38,054 HKD|Low: HK$15,218 HKD|High: HK$38,446 HKD|Avg: HK$20,823 HKD|+9.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2HK$15,218 HKD
Retailer 7HK$15,598 HKD
Retailer 4HK$15,888 HKD
Retailer 5HK$16,320 HKD
Retailer 6HK$16,657 HKD
Retailer 9HK$16,869 HKD
Retailer 8HK$20,020 HKD
Retailer 3HK$27,333 HKD
NZ JewellersHK$38,054 HKD

38 data points across 9 retailers

8 retailersHK$15,218 HKD to HK$38,054 HKD

A
Cheapest Retailer
-
HK$15,218 HKD
£1,527 GBP
A
Retailer 2
-
HK$15,598 HKD
$1,988 USD
View
A
Retailer 3
-
HK$15,888 HKD
$2,025 USD
View
A
Retailer 4
-
HK$16,320 HKD
$2,080 USD
View
A
Retailer 5
-
HK$16,657 HKD
$2,123 USD
View
Retailer 6
-
HK$20,020 HKD
A$3,926 AUD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
HK$27,333 HKD
£2,743 GBP
View
Most Expensive
B
NZ Jewellers
52a5c3ca-3245-41f7-813a-018c244f3885 · Oct 30
HK$38,054 HKD
$4,850 USD
View
7 more retailers have this diamond
Prices start from HK$15,218 HKDSave up to HK$22,836 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
1.01ct Marquise
HK$15,218 HKD