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Marquise|Natural|GIA

1.66ct D IF Marquise Natural Diamond

EX • D/IF • GIA 13355108

Certificate GIA 13355108

Diamond specifications and retailer prices

From $22,369 AUD
€14,930 EUR
As of November 2, 2026
Save $6,297 AUD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $28,665 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.66ct natural marquise diamond

This 1.66ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 13355108. Listed at 2 retailers as of November 2, 2026, with prices from $22,369 to $28,665, a $6,297 spread on the same certified stone. 77 Diamonds lists it at $28,665. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 13355108
Dimensions12.51 × 6.41 × 3.83 mm
L/W Ratio1.95
Top View
12.51 mm6.41 mm1.66 ctD / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 13355108
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $28,665 AUD|Low: $21,979 AUD|High: $28,953 AUD|Avg: $25,495 AUD|+1.4%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$22,369 AUD
77 Diamonds$28,665 AUD

39 data points across 2 retailers

2 retailers$22,369 AUD to $28,665 AUD

A
Cheapest Retailer
-
$22,369 AUD
€14,930 EUR
Most Expensive
B+
77 Diamonds
MQILNZV4QMUD · Nov 2
$28,665 AUD
£15,818 GBP
View
1 more retailer has this diamond
Prices start from $22,369 AUDSave up to $6,297 AUD

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
1.66ct Marquise
$22,369 AUD