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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6555718804

Certificate GIA 6555718804

Diamond specifications and retailer prices

From HK$71,753 HKD
$9,145 USD
As of November 1, 2026
Save HK$65,837 HKD (48%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: HK$137,589 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two 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 6555718804. Listed at 31 retailers as of October 30, 2026, with prices from HK$71,753 to HK$137,589, a HK$65,837 spread on the same certified stone. NZ Jewellers lists it at HK$137,589. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555718804
Dimensions10.91 × 5.92 × 3.77 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural, Natural
Top View
10.91 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555718804
Side View
Table 63.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.8%

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 1
Current: HK$137,589 HKD|Low: HK$65,782 HKD|High: HK$140,979 HKD|Avg: HK$92,351 HKD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
November 2, 2026
Retailer 27HK$71,753 HKD
Retailer 15HK$73,753 HKD
Retailer 11HK$76,499 HKD
Retailer 3HK$76,601 HKD
Retailer 16HK$78,736 HKD
Retailer 26HK$78,938 HKD
Retailer 9HK$81,177 HKD
Retailer 14HK$81,560 HKD
Retailer 10HK$82,557 HKD
Retailer 28HK$82,557 HKD
Retailer 17HK$87,970 HKD
Retailer 18HK$88,069 HKD
Retailer 13HK$88,468 HKD
Retailer 29HK$89,438 HKD
Retailer 25HK$89,683 HKD
Retailer 12HK$90,811 HKD
Retailer 8HK$91,307 HKD
Retailer 4HK$92,090 HKD
Retailer 19HK$92,804 HKD
Retailer 21HK$93,484 HKD
Retailer 20HK$98,123 HKD
Retailer 6HK$98,354 HKD
Retailer 22HK$100,542 HKD
Retailer 7HK$100,574 HKD
Retailer 5HK$103,192 HKD
Retailer 2HK$103,985 HKD
Retailer 24HK$121,283 HKD
Retailer 23HK$128,931 HKD
NZ JewellersHK$137,589 HKD

36 data points across 29 retailers

31 retailersHK$71,753 HKD to HK$137,589 HKD

Retailer 1
-
HK$59,354 HKD
Price last confirmed 38 days ago
Retailer 2
-
HK$63,593 HKD
$8,105 USD
View
Price last confirmed 46 days ago
A
Retailer 3
-
HK$71,753 HKD
$9,145 USD
View
A
Retailer 4
-
HK$73,753 HKD
$9,400 USD
View
B+
Retailer 5
-
HK$76,499 HKD
$9,750 USD
View
B+
Retailer 6
-
HK$76,601 HKD
$9,763 USD
View
B+
Retailer 7
-
HK$77,500 HKD
A$15,196 AUD
View
B+
Retailer 8
-
HK$78,736 HKD
$10,035 USD
View
B+
Retailer 9
-
HK$78,938 HKD
$10,061 USD
View
B+
Retailer 10
-
HK$81,177 HKD
CA$14,370 CAD
View
B+
Retailer 11
-
HK$81,560 HKD
$10,395 USD
View
B+
Retailer 12
-
HK$82,557 HKD
$10,522 USD
View
B+
Retailer 13
-
HK$82,557 HKD
$10,522 USD
View
Final sale: no returns
B+
Retailer 14
-
HK$87,970 HKD
$11,212 USD
View
B+
Retailer 15
-
HK$88,069 HKD
$11,225 USD
View
B+
Retailer 16
-
HK$88,468 HKD
£8,878 GBP
View
B+
Retailer 17
-
HK$89,438 HKD
$11,399 USD
View
Retailer 18
-
HK$89,683 HKD
A$17,585 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
HK$90,811 HKD
$11,574 USD
View
B+
Retailer 20
-
HK$91,307 HKD
$11,637 USD
View
B+
Retailer 21
-
HK$92,090 HKD
$11,737 USD
View
Retailer 22
-
HK$92,443 HKD
$11,782 USD
View
Price last confirmed 62 days ago
Retailer 23
-
HK$92,804 HKD
$11,828 USD
View
Price last confirmed 19 days ago
B
Retailer 24
-
HK$98,123 HKD
$12,506 USD
View
B
Retailer 25
-
HK$98,354 HKD
$12,535 USD
View
B
Retailer 26
-
HK$100,574 HKD
$12,818 USD
View
B+
Retailer 27
-
HK$103,192 HKD
$13,152 USD
View
B+
Retailer 28
-
HK$103,985 HKD
€12,622 EUR
View
B
Retailer 29
-
HK$121,283 HKD
ZAR 249,721 ZAR
View
B
Retailer 30
-
HK$128,931 HKD
£12,939 GBP
View
Most Expensive
B
NZ Jewellers
9010dca9-b235-4b2b-8fda-183916b6f45c · Oct 30
HK$137,589 HKD
$17,536 USD
View
30 more retailers have this diamond
Prices start from HK$71,753 HKDSave up to HK$65,837 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
1.50ct Marquise
HK$71,753 HKD