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Marquise|Natural|GIA

0.66ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 5242014380

Certificate GIA 5242014380

Diamond specifications and retailer prices

From HK$7,179 HKD
$915 USD
As of November 2, 2026
Save HK$7,369 HKD (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,699 HKD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 0.66ct natural marquise diamond

This 0.66ct natural marquise sits in the half to three-quarter carat band, graded F 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 5242014380. Listed at 18 retailers as of October 29, 2026, with a 103% 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

0.66
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242014380
Dimensions8.84 × 4.53 × 2.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
8.84 mm4.53 mm0.66 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242014380
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.0%

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 2
Current: HK$10,339 HKD|Low: HK$5,122 HKD|High: HK$14,548 HKD|Avg: HK$8,747 HKD|+8.7%
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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 5HK$5,122 HKD
Retailer 4HK$6,026 HKD
Retailer 9HK$6,591 HKD
Retailer 2HK$6,786 HKD
Retailer 8HK$7,101 HKD
Retailer 18HK$7,179 HKD
Retailer 11HK$7,194 HKD
Retailer 6HK$8,356 HKD
Retailer 13HK$8,563 HKD
Retailer 17HK$8,788 HKD
Retailer 19HK$8,788 HKD
Retailer 20HK$8,968 HKD
Retailer 15HK$9,101 HKD
Retailer 12HK$9,274 HKD
Retailer 1HK$10,339 HKD
Retailer 3HK$10,356 HKD
Retailer 10HK$10,668 HKD
Retailer 7HK$10,721 HKD
Retailer 16HK$12,923 HKD
Retailer 14HK$14,548 HKD

34 data points across 20 retailers

18 retailersHK$7,179 HKD to HK$14,548 HKD

Retailer 1
-
HK$5,122 HKD
Price last confirmed 25 days ago
Retailer 2
-
HK$6,591 HKD
$840 USD
View
Price last confirmed 29 days ago
Retailer 3
-
HK$6,786 HKD
€824 EUR
View
Price last confirmed 27 days ago
A
Retailer 4
-
HK$7,179 HKD
$915 USD
View
Retailer 5
-
HK$7,194 HKD
SGD 1,239 SGD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
HK$8,788 HKD
$1,120 USD
View
B+
Retailer 7
-
HK$8,788 HKD
$1,120 USD
View
B+
Retailer 8
-
HK$8,968 HKD
$1,143 USD
View
B+
Retailer 9
-
HK$9,101 HKD
$1,160 USD
View
B+
Retailer 10
-
HK$9,274 HKD
£931 GBP
View
B+
Retailer 11
-
HK$9,527 HKD
A$1,868 AUD
View
B+
Retailer 12
-
HK$10,339 HKD
€1,255 EUR
View
Retailer 13
-
HK$10,356 HKD
$1,320 USD
View
Price last confirmed 28 days ago
Retailer 14
-
HK$10,668 HKD
ZAR 21,965 ZAR
View
Price last confirmed 29 days ago
Retailer 15
-
HK$10,721 HKD
A$2,102 AUD
View
Price last confirmed 28 days ago
B
Retailer 16
-
HK$12,923 HKD
CA$2,288 CAD
View
B
Retailer 17
-
HK$14,548 HKD
£1,460 GBP
View
Most Expensive
NZ Jewellers
21b71151-4f49-41c8-ad92-5e01c9d86e58 · Sep 30
HK$22,699 HKD
$2,893 USD
View
Price under review
17 more retailers have this diamond
Prices start from HK$7,179 HKDSave up to HK$7,369 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
0.66ct Marquise
HK$7,179 HKD