CaratHunter
Plans
Marquise|Natural|GIA

1.71ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6561175366

Certificate GIA 6561175366

Diamond specifications and retailer prices

From £3,818 GBP
As of November 4, 2026
Save £2,784 GBP (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,603 GBP at Wholesale Diamonds Direct · As of November 3, 2026
View at Wholesale Diamonds Direct

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561175366. Listed at 12 retailers as of November 3, 2026, with prices from £3,818 to £6,603, a £2,784 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,603. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.88°
Pavilion angle40.29°
OriginNatural
Grading LabGIA
CertificateGIA 6561175366
Dimensions11.56 × 6.11 × 3.93 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.56 mm6.11 mm1.71 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561175366
Side View
Table 59.0%Crown 39.88°Girdle: THN-THKPavilion 40.29°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,854 GBP|Low: £3,818 GBP|High: £7,139 GBP|Avg: £4,564 GBP|-6.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 4£3,818 GBP
Retailer 3£3,827 GBP
Retailer 1£3,854 GBP
Retailer 11£3,941 GBP
Retailer 2£3,986 GBP
Retailer 10£4,024 GBP
Retailer 5£4,123 GBP
Retailer 9£4,590 GBP
Retailer 8£4,602 GBP
Retailer 6£4,752 GBP
Retailer 7£5,115 GBP
Wholesale Diamonds Direct£6,603 GBP

30 data points across 12 retailers

12 retailers£3,818 GBP to £6,603 GBP

A
Cheapest Retailer
-
£3,818 GBP
A
Retailer 2
-
£3,827 GBP
View
A
Retailer 3
-
£3,854 GBP
View
A
Retailer 4
-
£3,941 GBP
View
A
Retailer 5
-
£3,986 GBP
View
A
Retailer 6
-
£4,024 GBP
View
A
Retailer 7
-
£4,123 GBP
View
B+
Retailer 8
-
£4,590 GBP
View
B+
Retailer 9
-
£4,602 GBP
View
B+
Retailer 10
-
£4,752 GBP
View
B+
Retailer 11
-
£5,115 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
331029256 · Nov 3
£6,603 GBP
$8,837 USD
View
11 more retailers have this diamond
Prices start from £3,818 GBPSave up to £2,784 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.

A
1.71ct Marquise
£3,818 GBP