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Marquise|Natural|GIA

1.06ct L SI1 Marquise Natural Diamond

EX • L/SI1 • GIA 5556104359

Certificate GIA 5556104359

Diamond specifications and retailer prices

From £1,239 GBP
As of November 6, 2026
4 retailers carry this diamond
Most expensive: £1,648 GBP at Wholesale Diamonds Direct · As of October 12, 2026
View at Wholesale Diamonds Direct

About this 1.06ct natural marquise diamond

This 1.06ct natural marquise sits in the classic one-carat band, graded L 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 5556104359. Listed at 4 retailers as of November 6, 2026. 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

1.06
Carat
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.18°
Pavilion angle38.43°
OriginNatural
Grading LabGIA
CertificateGIA 5556104359
Dimensions10.17 × 5.37 × 3.25 mm
L/W Ratio1.89
Top View
10.17 mm5.37 mm1.06 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556104359
Side View
Table 58.0%Crown 39.18°Girdle: STK-THKPavilion 38.43°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £1,091 GBP|Low: £1,024 GBP|High: £1,679 GBP|Avg: £1,283 GBP|+2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
October 14, 2026
Retailer 6£1,024 GBP
Retailer 1£1,091 GBP
Retailer 5£1,136 GBP
Retailer 2£1,263 GBP
Retailer 4£1,383 GBP
Retailer 3£1,443 GBP
Wholesale Diamonds Direct£1,648 GBP

23 data points across 7 retailers

4 retailers

Retailer 1
-
£1,091 GBP
Price last confirmed 23 days ago
Retailer 2
-
£1,136 GBP
View
Price last confirmed 25 days ago
B+
Retailer 3
-
£1,239 GBP
View
Most Expensive
Wholesale Diamonds Direct
262934573 · Oct 12
£1,648 GBP
$2,218 USD
View
Price last confirmed 24 days ago
3 more retailers have this diamond
Prices start from £1,239 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+
1.06ct Marquise
£1,239 GBP