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Marquise|Natural|GIA

0.66ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 2566234983

Certificate GIA 2566234983

Diamond specifications and retailer prices

From HK$11,793 HKD
$1,503 USD
As of November 2, 2026
Save HK$6,319 HKD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$22,801 HKD at NZ Jewellers · As of September 20, 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 2566234983. Listed at 7 retailers as of November 2, 2026, with a 54% 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566234983
Dimensions8.53 × 4.50 × 2.84 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
8.53 mm4.50 mm0.66 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566234983
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$22,801 HKD|Low: HK$5,335 HKD|High: HK$22,801 HKD|Avg: HK$10,205 HKD
NZ Jewellers
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
November 2, 2026
Retailer 10HK$5,586 HKD
Retailer 12HK$5,700 HKD
Retailer 14HK$7,273 HKD
Retailer 6HK$7,367 HKD
Retailer 5HK$7,399 HKD
Retailer 3HK$8,316 HKD
Retailer 11HK$8,387 HKD
Retailer 4HK$9,559 HKD
Retailer 8HK$11,793 HKD
Retailer 9HK$11,848 HKD
Retailer 7HK$12,164 HKD
Retailer 13HK$13,313 HKD
Retailer 2HK$18,112 HKD
NZ JewellersHK$22,801 HKD

31 data points across 14 retailers

7 retailersHK$11,793 HKD to HK$18,112 HKD

Retailer 1
-
HK$7,273 HKD
$927 USD
Price last confirmed 42 days ago
Retailer 2
-
HK$8,387 HKD
$1,069 USD
View
Price last confirmed 41 days ago
B
Retailer 3
-
HK$11,793 HKD
$1,503 USD
View
B
Retailer 4
-
HK$11,848 HKD
$1,510 USD
View
B
Retailer 5
-
HK$12,164 HKD
$1,550 USD
View
B
Retailer 6
-
HK$18,112 HKD
£1,818 GBP
View
Most Expensive
NZ Jewellers
3aaa573a-0312-41d3-90fb-93e3920f7c82 · Sep 20
HK$22,801 HKD
$2,906 USD
View
Price under review
6 more retailers have this diamond
Prices start from HK$11,793 HKDSave up to HK$6,319 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
0.66ct Marquise
HK$11,793 HKD