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Marquise|Natural|GIA

1.03ct D IF Marquise Natural Diamond

EX • D/IF • GIA 12854987

Certificate GIA 12854987

Diamond specifications and retailer prices

From $12,719 AUD
As of November 4, 2026
Save $3,673 AUD (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,392 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-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 12854987. Listed at 3 retailers as of November 4, 2026, with prices from $12,719 to $16,392, a $3,673 spread on the same certified stone. Blue Nile lists it at $16,392. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 12854987
Dimensions12.27 × 5.18 × 2.99 mm
L/W Ratio2.37
Top View
12.27 mm5.18 mm1.03 ctD / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 12854987
Side View
Table 54.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 57.7%

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: Nov 4
Current: $16,392 AUD|Low: $12,494 AUD|High: $16,392 AUD|Avg: $15,062 AUD
Blue Nile
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$12,719 AUD
Retailer 2$15,969 AUD
Blue Nile$16,392 AUD

38 data points across 3 retailers

3 retailers$12,719 AUD to $16,392 AUD

B+
Cheapest Retailer
-
$12,719 AUD
B+
Retailer 2
-
$15,969 AUD
View
Most Expensive
B
Blue Nile
29828918 · Nov 5
$16,392 AUD
$11,475 USD
View
2 more retailers have this diamond
Prices start from $12,719 AUDSave up to $3,673 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.

B+
1.03ct Marquise
$12,719 AUD