Marquise|Natural|GIA

5.01ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 5242069816

Certificate GIA 5242069816

Diamond specifications and retailer prices

From £52,123 GBP
SGD 94,521 SGD
As of November 2, 2026
Save £31,893 GBP (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £84,016 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 5.01ct natural marquise diamond

This 5.01ct natural marquise sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242069816. Listed at 13 retailers as of November 1, 2026, with prices from £52,123 to £84,016, a £31,893 spread on the same certified stone. Helzberg Diamonds lists it at £84,016. 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

5.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.66°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242069816
Dimensions17.28 × 8.51 × 5.47 mm
L/W Ratio2.03
Culet sizeNone
Top View
17.28 mm8.51 mm5.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5242069816
Side View
Table 60.0%Crown 39.66°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.3%

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 2
Current: £84,016 GBP|Low: £52,123 GBP|High: £86,897 GBP|Avg: £61,725 GBP|-3.3%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 13£52,123 GBP
Retailer 10£54,786 GBP
Retailer 8£54,803 GBP
Retailer 6£55,259 GBP
Retailer 9£55,505 GBP
Retailer 4£55,908 GBP
Retailer 11£58,229 GBP
Retailer 3£58,908 GBP
Retailer 7£62,155 GBP
Retailer 5£65,544 GBP
Retailer 12£66,698 GBP
Retailer 2£66,805 GBP
Helzberg Diamonds£84,016 GBP

31 data points across 13 retailers

13 retailers£52,123 GBP to £84,016 GBP

A
Cheapest Retailer
-
£52,123 GBP
SGD 94,521 SGD
A
Retailer 2
-
£54,786 GBP
$73,520 USD
View
A
Retailer 3
-
£54,803 GBP
View
A
Retailer 4
-
£55,259 GBP
$74,154 USD
View
A
Retailer 5
-
£55,505 GBP
$74,485 USD
View
A
Retailer 6
-
£55,908 GBP
$75,025 USD
View
A
Retailer 7
-
£58,229 GBP
$78,140 USD
View
A
Retailer 8
-
£58,908 GBP
SGD 106,826 SGD
View
B+
Retailer 9
-
£62,155 GBP
$83,408 USD
View
B+
Retailer 10
-
£65,544 GBP
$87,956 USD
View
B+
Retailer 11
-
£66,698 GBP
$89,504 USD
View
B+
Retailer 12
-
£66,805 GBP
€85,379 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGMPOHM · Nov 1
£84,016 GBP
$112,744 USD
View
12 more retailers have this diamond
Prices start from £52,123 GBPSave up to £31,893 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
5.01ct Marquise
£52,123 GBP