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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 $2,671 NZD
$1,503 USD
As of November 2, 2026
Save $1,431 NZD (35%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,165 NZD 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: $5,165 NZD|Low: $1,209 NZD|High: $5,165 NZD|Avg: $2,312 NZD
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 10$1,265 NZD
Retailer 12$1,291 NZD
Retailer 14$1,648 NZD
Retailer 6$1,669 NZD
Retailer 5$1,676 NZD
Retailer 3$1,884 NZD
Retailer 11$1,900 NZD
Retailer 4$2,165 NZD
Retailer 8$2,671 NZD
Retailer 9$2,684 NZD
Retailer 7$2,755 NZD
Retailer 13$3,016 NZD
Retailer 2$4,103 NZD
NZ Jewellers$5,165 NZD

31 data points across 14 retailers

7 retailers$2,671 NZD to $4,103 NZD

Retailer 1
-
$1,648 NZD
$927 USD
Price last confirmed 42 days ago
Retailer 2
-
$1,900 NZD
$1,069 USD
View
Price last confirmed 41 days ago
B
Retailer 3
-
$2,671 NZD
$1,503 USD
View
B
Retailer 4
-
$2,684 NZD
$1,510 USD
View
B
Retailer 5
-
$2,755 NZD
$1,550 USD
View
B
Retailer 6
-
$4,103 NZD
£1,818 GBP
View
Most Expensive
NZ Jewellers
3aaa573a-0312-41d3-90fb-93e3920f7c82 · Sep 20
$5,165 NZD
$2,906 USD
View
Price under review
6 more retailers have this diamond
Prices start from $2,671 NZDSave up to $1,431 NZD

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
$2,671 NZD