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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 £9,225 GBP
$12,361 USD
As of November 1, 2026
Save £6,304 GBP (41%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £15,529 GBP 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 £9,225 to £15,529, a £6,304 spread on the same certified stone. MOH London lists it at £15,529. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £15,529 GBP|Low: £8,937 GBP|High: £16,050 GBP|Avg: £11,245 GBP|-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£9,225 GBP
Retailer 4£9,243 GBP
Retailer 15£9,528 GBP
Retailer 14£9,943 GBP
Retailer 9£9,995 GBP
Retailer 11£10,026 GBP
Retailer 12£10,606 GBP
Retailer 8£10,615 GBP
Retailer 10£10,617 GBP
Retailer 16£10,772 GBP
Retailer 7£11,186 GBP
Retailer 6£11,247 GBP
Retailer 13£11,247 GBP
Retailer 5£11,620 GBP
Retailer 2£12,525 GBP
Retailer 3£14,086 GBP
MOH London£15,529 GBP

42 data points across 17 retailers

16 retailers£9,225 GBP to £15,529 GBP

B+
Cheapest Retailer
-
£9,225 GBP
$12,361 USD
B+
Retailer 2
-
£9,243 GBP
$12,385 USD
View
B+
Retailer 3
-
£9,528 GBP
$12,767 USD
View
Final sale: no returns
B+
Retailer 4
-
£9,943 GBP
$13,323 USD
View
B+
Retailer 5
-
£10,026 GBP
$13,434 USD
View
B+
Retailer 6
-
£10,606 GBP
$14,211 USD
View
B+
Retailer 7
-
£10,615 GBP
$14,223 USD
View
B+
Retailer 8
-
£10,617 GBP
View
B
Retailer 9
-
£10,772 GBP
$14,433 USD
View
B+
Retailer 10
-
£11,186 GBP
$14,988 USD
View
B+
Retailer 11
-
£11,247 GBP
$15,070 USD
View
B+
Retailer 12
-
£11,247 GBP
$15,070 USD
View
B+
Retailer 13
-
£11,620 GBP
$15,570 USD
View
B+
Retailer 14
-
£12,525 GBP
€15,983 EUR
View
B
Retailer 15
-
£14,086 GBP
$18,874 USD
View
Most Expensive
B
MOH London
D450E2016 · Nov 1
£15,529 GBP
View
15 more retailers have this diamond
Prices start from £9,225 GBPSave up to £6,304 GBP

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
£9,225 GBP