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Marquise|Natural|GIA

1.71ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 2554350362

Certificate GIA 2554350362

Diamond specifications and retailer prices

From £3,014 GBP
SGD 5,457 SGD
As of October 31, 2026
Save £3,167 GBP (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,181 GBP at Wholesale Diamonds Direct · As of October 27, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554350362. Listed at 10 retailers as of October 27, 2026, with prices from £3,014 to £6,181, a £3,167 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,181. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.8°
Pavilion angle41.1°
OriginNatural
Grading LabGIA
CertificateGIA 2554350362
Dimensions11.90 × 6.28 × 3.91 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.90 mm6.28 mm1.71 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554350362
Side View
Table 59.0%Crown 39.8°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £4,421 GBP|Low: £3,014 GBP|High: £6,845 GBP|Avg: £4,559 GBP|-11.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 2, 2026
Retailer 5£3,014 GBP
Retailer 3£3,543 GBP
Retailer 4£3,624 GBP
Retailer 8£3,735 GBP
Retailer 9£3,776 GBP
Retailer 7£4,284 GBP
Retailer 6£4,286 GBP
Retailer 1£4,421 GBP
Retailer 2£4,907 GBP
Retailer 10£6,048 GBP
Wholesale Diamonds Direct£6,181 GBP

30 data points across 11 retailers

10 retailers£3,014 GBP to £6,181 GBP

A
Cheapest Retailer
-
£3,014 GBP
SGD 5,457 SGD
A
Retailer 2
-
£3,543 GBP
$4,748 USD
View
A
Retailer 3
-
£3,624 GBP
$4,856 USD
View
A
Retailer 4
-
£3,735 GBP
SGD 6,762 SGD
View
A
Retailer 5
-
£3,776 GBP
$5,059 USD
View
A
Retailer 6
-
£4,284 GBP
$5,740 USD
View
B+
Retailer 7
-
£4,286 GBP
$5,743 USD
View
B+
Retailer 8
-
£4,421 GBP
€5,641 EUR
View
B+
Retailer 9
-
£4,907 GBP
$6,575 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936743 · Oct 27
£6,181 GBP
$8,281 USD
View
9 more retailers have this diamond
Prices start from £3,014 GBPSave up to £3,167 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
£3,014 GBP