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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 7558581586

Certificate GIA 7558581586

Diamond specifications and retailer prices

From HK$21,851 HKD
$2,785 USD
As of November 2, 2026
Save HK$17,798 HKD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$49,321 HKD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558581586. Listed at 15 retailers as of October 29, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558581586
Dimensions10.22 × 4.97 × 3.11 mm
L/W Ratio2.06
Girdle conditionFaceted
Top View
10.22 mm4.97 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558581586
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$26,182 HKD|Low: HK$16,872 HKD|High: HK$39,928 HKD|Avg: HK$25,147 HKD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 17HK$16,872 HKD
Retailer 2HK$19,804 HKD
Retailer 15HK$20,359 HKD
Retailer 7HK$20,525 HKD
Retailer 3HK$21,161 HKD
Retailer 9HK$21,341 HKD
Retailer 13HK$21,851 HKD
Retailer 4HK$23,315 HKD
Retailer 12HK$23,600 HKD
Retailer 5HK$23,706 HKD
Retailer 6HK$25,100 HKD
Retailer 10HK$25,250 HKD
Retailer 1HK$26,182 HKD
Retailer 14HK$27,312 HKD
Retailer 8HK$34,135 HKD
Retailer 16HK$34,465 HKD
Retailer 11HK$39,649 HKD

38 data points across 17 retailers

15 retailersHK$21,851 HKD to HK$39,649 HKD

Retailer 1
-
HK$16,872 HKD
Price last confirmed 28 days ago
Retailer 2
-
HK$20,359 HKD
€2,471 EUR
View
Price last confirmed 27 days ago
Retailer 3
-
HK$20,525 HKD
$2,616 USD
View
Price last confirmed 32 days ago
B+
Retailer 4
-
HK$21,851 HKD
$2,785 USD
View
B+
Retailer 5
-
HK$23,600 HKD
CA$4,178 CAD
View
Retailer 6
-
HK$23,706 HKD
SGD 4,083 SGD
View
Price last confirmed 27 days ago
B+
Retailer 7
-
HK$25,031 HKD
A$4,908 AUD
View
Retailer 8
-
HK$25,100 HKD
A$4,922 AUD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
HK$25,250 HKD
£2,534 GBP
View
B+
Retailer 10
-
HK$26,182 HKD
€3,178 EUR
View
B
Retailer 11
-
HK$27,312 HKD
$3,481 USD
View
Retailer 12
-
HK$34,135 HKD
ZAR 70,283 ZAR
View
Price last confirmed 33 days ago
Retailer 13
-
HK$34,465 HKD
$4,393 USD
View
Price last confirmed 27 days ago
B
Retailer 14
-
HK$39,649 HKD
£3,979 GBP
View
Most Expensive
NZ Jewellers
4c184f8c-0520-45f5-ae51-8c3e19c07747 · Sep 30
HK$49,321 HKD
$6,286 USD
View
Price last confirmed 33 days ago
14 more retailers have this diamond
Prices start from HK$21,851 HKDSave up to HK$17,798 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+
0.90ct Marquise
HK$21,851 HKD