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Marquise|Natural|GIA

0.31ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 3545743431

Certificate GIA 3545743431

Diamond specifications and retailer prices

From HK$3,939 HKD
$502 USD
As of November 1, 2026
Save HK$2,401 HKD (38%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,446 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 0.31ct natural marquise diamond

This 0.31ct natural marquise sits in the sub-half-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 3545743431. Listed at 16 retailers as of October 30, 2026, with a 61% 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

0.31
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545743431
Dimensions7.64 × 3.33 × 2.11 mm
L/W Ratio2.29
Top View
7.64 mm3.33 mm0.31 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3545743431
Side View
Table 57.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 63.3%

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 1
Current: HK$9,446 HKD|Low: HK$3,939 HKD|High: HK$12,821 HKD|Avg: HK$6,064 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11HK$3,939 HKD
Retailer 3HK$4,088 HKD
Retailer 4HK$4,198 HKD
Retailer 8HK$4,402 HKD
Retailer 9HK$4,402 HKD
Retailer 13HK$4,716 HKD
Retailer 6HK$5,125 HKD
Retailer 10HK$5,528 HKD
Retailer 5HK$6,148 HKD
Retailer 7HK$6,340 HKD
Retailer 2HK$8,275 HKD
MOH LondonHK$9,446 HKD
Retailer 12HK$12,821 HKD

39 data points across 13 retailers

16 retailersHK$3,939 HKD to HK$6,340 HKD

B+
Cheapest Retailer
-
HK$3,939 HKD
$502 USD
B+
Retailer 2
-
HK$4,088 HKD
$521 USD
View
Retailer 3
-
HK$4,198 HKD
$535 USD
View
Price last confirmed 25 days ago
B
Retailer 4
-
HK$4,402 HKD
$561 USD
View
B
Retailer 5
-
HK$4,402 HKD
$561 USD
View
B
Retailer 6
-
HK$4,716 HKD
$601 USD
View
B
Retailer 7
-
HK$5,120 HKD
$653 USD
View
B
Retailer 8
-
HK$5,125 HKD
£514 GBP
View
B
Retailer 9
-
HK$5,147 HKD
$656 USD
View
B
Retailer 10
-
HK$5,528 HKD
€671 EUR
View
B
Retailer 11
-
HK$5,724 HKD
$730 USD
View
Retailer 12
-
HK$6,148 HKD
A$1,206 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$6,340 HKD
ZAR 13,054 ZAR
View
Retailer 14
-
HK$8,275 HKD
£830 GBP
View
Price under review
Most Expensive
MOH London
EADBD8C63 · Nov 2
HK$9,446 HKD
£948 GBP
View
Price under review
14 more retailers have this diamond
Prices start from HK$3,939 HKDSave up to HK$2,401 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+
0.31ct Marquise
HK$3,939 HKD