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Marquise|Natural|GIA

1.71ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542771669

Certificate GIA 6542771669

Diamond specifications and retailer prices

From $12,361 USD
As of November 1, 2026
Save $8,447 USD (41%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $20,808 USD 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 6542771669. Listed at 16 retailers as of November 1, 2026, with prices from $12,361 to $20,808, a $8,447 spread on the same certified stone. MOH London lists it at $20,808. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542771669
Dimensions13.41 × 6.25 × 3.65 mm
L/W Ratio2.15
Top View
13.41 mm6.25 mm1.71 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542771669
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,808 USD|Low: $11,974 USD|High: $21,505 USD|Avg: $15,067 USD|-2.2%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 17$12,361 USD
Retailer 4$12,385 USD
Retailer 15$12,767 USD
Retailer 14$13,323 USD
Retailer 9$13,392 USD
Retailer 11$13,434 USD
Retailer 12$14,211 USD
Retailer 8$14,223 USD
Retailer 10$14,226 USD
Retailer 16$14,433 USD
Retailer 7$14,988 USD
Retailer 6$15,070 USD
Retailer 13$15,070 USD
Retailer 5$15,570 USD
Retailer 2$16,782 USD
Retailer 3$18,874 USD
MOH London$20,808 USD

42 data points across 17 retailers

16 retailers$12,361 USD to $20,808 USD

B+
Cheapest Retailer
-
$12,361 USD
B+
Retailer 2
-
$12,385 USD
View
B+
Retailer 3
-
$12,767 USD
View
Final sale: no returns
B+
Retailer 4
-
$13,323 USD
View
B+
Retailer 5
-
$13,434 USD
View
B+
Retailer 6
-
$14,211 USD
View
B+
Retailer 7
-
$14,223 USD
View
B+
Retailer 8
-
$14,226 USD
£11,202 GBP
View
B
Retailer 9
-
$14,433 USD
View
B+
Retailer 10
-
$14,988 USD
View
B+
Retailer 11
-
$15,070 USD
View
B+
Retailer 12
-
$15,070 USD
View
B+
Retailer 13
-
$15,570 USD
View
B+
Retailer 14
-
$16,782 USD
€15,983 EUR
View
B
Retailer 15
-
$18,874 USD
View
Most Expensive
B
MOH London
D450E2016 · Nov 1
$20,808 USD
£16,384 GBP
View
15 more retailers have this diamond
Prices start from $12,361 USDSave up to $8,447 USD

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
$12,361 USD