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Marquise|Natural|GIA

0.71ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 2566431973

Certificate GIA 2566431973

Diamond specifications and retailer prices

From £611 GBP
As of November 4, 2026
Save £382 GBP (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £992 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 0.71ct natural marquise diamond

This 0.71ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566431973. Listed at 12 retailers as of November 4, 2026, with prices from £611 to £992, a £382 spread on the same certified stone. Wholesale Diamonds Direct lists it at £992. 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

0.71
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566431973
Dimensions9.44 × 4.40 × 2.75 mm
L/W Ratio2.15
Culet sizeNone
Top View
9.44 mm4.40 mm0.71 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566431973
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.5%

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 4
Current: £767 GBP|Low: £611 GBP|High: £992 GBP|Avg: £768 GBP
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 6, 2026
Retailer 3£611 GBP
Retailer 5£638 GBP
Retailer 6£654 GBP
Retailer 9£664 GBP
Retailer 8£678 GBP
Retailer 2£683 GBP
Retailer 7£765 GBP
Retailer 1£767 GBP
Retailer 4£885 GBP
Retailer 11£932 GBP
Retailer 10£971 GBP
Wholesale Diamonds Direct£992 GBP

28 data points across 12 retailers

12 retailers£611 GBP to £992 GBP

B+
Cheapest Retailer
-
£611 GBP
B+
Retailer 2
-
£638 GBP
View
B+
Retailer 3
-
£654 GBP
View
B+
Retailer 4
-
£664 GBP
View
B+
Retailer 5
-
£678 GBP
View
B+
Retailer 6
-
£683 GBP
View
B
Retailer 7
-
£765 GBP
View
B
Retailer 8
-
£767 GBP
View
B
Retailer 9
-
£885 GBP
View
B
Retailer 10
-
£932 GBP
View
B
Retailer 11
-
£971 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
420075001 · Nov 4
£992 GBP
$1,336 USD
View
11 more retailers have this diamond
Prices start from £611 GBPSave up to £382 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+
0.71ct Marquise
£611 GBP