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Marquise|Natural|GIA

1.71ct D SI2 Marquise Natural Diamond

ID • D/SI2 • GIA 7553746870

Certificate GIA 7553746870

Diamond specifications and retailer prices

From $20,915 AUD
$14,692 USD
As of November 2, 2026
Save $14,047 AUD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $34,963 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7553746870. Listed at 6 retailers as of November 1, 2026, with prices from $20,915 to $34,963, a $14,047 spread on the same certified stone. MOH London lists it at $34,963. 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

1.71
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553746870
Dimensions13.42 × 5.89 × 3.67 mm
L/W Ratio2.28
Girdle conditionFaceted
Culet sizeNone
Top View
13.42 mm5.89 mm1.71 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7553746870
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.4%

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 2
Current: $34,963 AUD|Low: $23,447 AUD|High: $35,384 AUD|Avg: $28,955 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3$23,589 AUD
Retailer 4$25,224 AUD
Retailer 2$27,153 AUD
Retailer 5$31,714 AUD
MOH London$34,963 AUD

42 data points across 5 retailers

6 retailers$20,915 AUD to $34,963 AUD

B+
Cheapest Retailer
-
$20,915 AUD
$14,692 USD
B+
Retailer 2
-
$23,589 AUD
£13,047 GBP
View
B+
Retailer 3
-
$25,224 AUD
£13,952 GBP
View
B
Retailer 4
-
$27,153 AUD
€18,165 EUR
View
B
Retailer 5
-
$31,714 AUD
$22,277 USD
View
Most Expensive
B
MOH London
EA31BCE82 · Nov 1
$34,963 AUD
£19,338 GBP
View
5 more retailers have this diamond
Prices start from $20,915 AUDSave up to $14,047 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+
1.71ct Marquise
$20,915 AUD