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Marquise|Natural|GIA

0.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7548950012

Certificate GIA 7548950012

Diamond specifications and retailer prices

From HK$7,265 HKD
$926 USD
As of October 31, 2026
Save HK$4,076 HKD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$11,341 HKD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548950012. Listed at 9 retailers as of October 31, 2026, with prices from HK$7,265 to HK$11,341, a HK$4,076 spread on the same certified stone. Diamond Exchange Canada lists it at HK$11,341. 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

0.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7548950012
Dimensions7.85 × 4.12 × 2.64 mm
L/W Ratio1.91
Girdle conditionVery Thick
Top View
7.85 mm4.12 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7548950012
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 64.1%

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: Oct 31
Current: HK$11,341 HKD|Low: HK$3,873 HKD|High: HK$11,341 HKD|Avg: HK$7,887 HKD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3HK$3,873 HKD
Retailer 12HK$5,994 HKD
Retailer 4HK$6,689 HKD
Retailer 11HK$7,265 HKD
Retailer 9HK$7,846 HKD
Retailer 10HK$7,846 HKD
Retailer 6HK$7,877 HKD
Retailer 7HK$8,081 HKD
Retailer 2HK$9,120 HKD
Retailer 5HK$9,335 HKD
Retailer 8HK$9,904 HKD
Diamond Exchange CanadaHK$11,341 HKD

22 data points across 12 retailers

9 retailersHK$7,265 HKD to HK$11,341 HKD

B+
Cheapest Retailer
-
HK$7,265 HKD
$926 USD
B
Retailer 2
-
HK$7,846 HKD
$1,000 USD
View
B
Retailer 3
-
HK$7,846 HKD
$1,000 USD
View
B
Retailer 4
-
HK$7,877 HKD
$1,004 USD
View
B+
Retailer 5
-
HK$8,081 HKD
$1,030 USD
View
B
Retailer 6
-
HK$9,120 HKD
€1,107 EUR
View
B
Retailer 7
-
HK$9,335 HKD
£937 GBP
View
B
Retailer 8
-
HK$9,904 HKD
$1,262 USD
View
Most Expensive
B
Diamond Exchange Canada
1994949657 · Nov 2
HK$11,341 HKD
CA$2,008 CAD
View
8 more retailers have this diamond
Prices start from HK$7,265 HKDSave up to HK$4,076 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+
0.51ct Marquise
HK$7,265 HKD