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Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6551493839

Certificate GIA 6551493839

Diamond specifications and retailer prices

From HK$28,105 HKD
$3,582 USD
As of November 1, 2026
Save HK$10,756 HKD (28%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$38,861 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic 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 6551493839. Listed at 11 retailers as of October 31, 2026, with prices from HK$28,105 to HK$38,861, a HK$10,756 spread on the same certified stone. Yorxs lists it at HK$38,861. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.69°
Pavilion angle39.13°
OriginNatural
Grading LabGIA
CertificateGIA 6551493839
Dimensions9.85 × 5.19 × 3.25 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.85 mm5.19 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551493839
Side View
Table 59.0%Crown 39.69°Girdle: STK-THKPavilion 39.13°Culet: NoneDepth 62.5%

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$33,503 HKD|Low: HK$17,128 HKD|High: HK$44,828 HKD|Avg: HK$32,153 HKD
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
Yorxs
November 2, 2026
Retailer 3HK$17,128 HKD
Retailer 2HK$23,938 HKD
Retailer 6HK$25,547 HKD
Retailer 4HK$27,968 HKD
Retailer 11HK$28,105 HKD
Retailer 7HK$28,583 HKD
Retailer 10HK$28,960 HKD
Retailer 15HK$29,074 HKD
Retailer 5HK$30,323 HKD
Retailer 1HK$33,503 HKD
Retailer 14HK$34,978 HKD
Retailer 9HK$37,007 HKD
Retailer 12HK$37,112 HKD
Retailer 13HK$37,112 HKD
Retailer 16HK$38,367 HKD
Retailer 17HK$38,375 HKD
YorxsHK$38,861 HKD
Retailer 8HK$44,828 HKD

15 data points across 18 retailers

11 retailersHK$28,105 HKD to HK$38,861 HKD

A
Cheapest Retailer
-
HK$28,105 HKD
$3,582 USD
A
Retailer 2
-
HK$28,583 HKD
$3,643 USD
View
B+
Retailer 3
-
HK$28,960 HKD
$3,691 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$29,074 HKD
$3,706 USD
View
B+
Retailer 5
-
HK$29,553 HKD
A$5,795 AUD
View
B+
Retailer 6
-
HK$33,503 HKD
$4,270 USD
View
B+
Retailer 7
-
HK$34,978 HKD
$4,458 USD
View
B+
Retailer 8
-
HK$37,112 HKD
$4,730 USD
View
B+
Retailer 9
-
HK$37,112 HKD
$4,730 USD
View
B+
Retailer 10
-
HK$38,367 HKD
$4,890 USD
View
Most Expensive
B+
Yorxs
597991641 · Oct 31
HK$38,861 HKD
€4,717 EUR
View
10 more retailers have this diamond
Prices start from HK$28,105 HKDSave up to HK$10,756 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
1.02ct Marquise
HK$28,105 HKD