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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6247044131

Certificate GIA 6247044131

Diamond specifications and retailer prices

From HK$17,274 HKD
As of November 1, 2026
Save HK$38,645 HKD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$55,919 HKD at Moon Ocean · As of November 2, 2026
View at Moon Ocean

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 6247044131. Listed at 20 retailers as of November 1, 2026, with prices from HK$17,274 to HK$55,919, a HK$38,645 spread on the same certified stone. Moon Ocean lists it at HK$55,919. 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 6247044131
Dimensions9.67 × 4.95 × 3.14 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
9.67 mm4.95 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6247044131
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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$55,919 HKD|Low: HK$17,174 HKD|High: HK$57,521 HKD|Avg: HK$27,485 HKD|-2.7%
Moon Ocean
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
November 2, 2026
Retailer 16HK$17,274 HKD
Retailer 3HK$18,752 HKD
Retailer 18HK$20,353 HKD
Retailer 14HK$20,638 HKD
Retailer 5HK$20,690 HKD
Retailer 9HK$21,483 HKD
Retailer 4HK$21,498 HKD
Retailer 20HK$21,608 HKD
Retailer 7HK$22,597 HKD
Retailer 2HK$22,643 HKD
Retailer 10HK$23,652 HKD
Retailer 12HK$24,009 HKD
Retailer 11HK$24,084 HKD
Retailer 6HK$25,414 HKD
Retailer 17HK$26,684 HKD
Retailer 15HK$34,529 HKD
Retailer 8HK$34,993 HKD
Retailer 13HK$39,151 HKD
Retailer 19HK$48,944 HKD
Moon OceanHK$55,919 HKD

24 data points across 20 retailers

20 retailersHK$17,274 HKD to HK$55,919 HKD

A
Cheapest Retailer
-
HK$17,274 HKD
A
Retailer 2
-
HK$18,752 HKD
$2,390 USD
View
B+
Retailer 3
-
HK$20,353 HKD
A$3,991 AUD
View
B+
Retailer 4
-
HK$20,638 HKD
€2,505 EUR
View
B+
Retailer 5
-
HK$20,690 HKD
$2,637 USD
View
B+
Retailer 6
-
HK$21,483 HKD
$2,738 USD
View
B+
Retailer 7
-
HK$21,498 HKD
$2,740 USD
View
B+
Retailer 8
-
HK$21,608 HKD
$2,754 USD
View
Final sale: no returns
B+
Retailer 9
-
HK$22,597 HKD
$2,880 USD
View
B+
Retailer 10
-
HK$22,643 HKD
£2,272 GBP
View
B+
Retailer 11
-
HK$23,652 HKD
$3,014 USD
View
B+
Retailer 12
-
HK$24,009 HKD
$3,060 USD
View
B+
Retailer 13
-
HK$24,084 HKD
SGD 4,148 SGD
View
Retailer 14
-
HK$25,497 HKD
A$5,000 AUD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
HK$26,684 HKD
€3,239 EUR
View
B
Retailer 16
-
HK$34,529 HKD
ZAR 71,096 ZAR
View
B
Retailer 17
-
HK$34,993 HKD
$4,460 USD
View
B
Retailer 18
-
HK$39,151 HKD
£3,929 GBP
View
B
Retailer 19
-
HK$48,944 HKD
$6,238 USD
View
Most Expensive
B
Moon Ocean
NVN-05AACC00F-131 · Nov 2
HK$55,919 HKD
£5,612 GBP
View
19 more retailers have this diamond
Prices start from HK$17,274 HKDSave up to HK$38,645 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
0.90ct Marquise
HK$17,274 HKD