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Marquise|Natural|GIA

0.80ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5563673424

Certificate GIA 5563673424

Diamond specifications and retailer prices

From £1,023 GBP
SGD 1,853 SGD
As of October 31, 2026
Save £828 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,852 GBP at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded H 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 5563673424. Listed at 12 retailers as of October 31, 2026, with prices from £1,023 to £1,852, a £828 spread on the same certified stone. Helzberg Diamonds lists it at £1,852. 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

0.80
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.56°
Pavilion angle38.39°
OriginNatural
Grading LabGIA
CertificateGIA 5563673424
Dimensions9.31 × 4.85 × 2.96 mm
L/W Ratio1.92
Culet sizeNone
Top View
9.31 mm4.85 mm0.80 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563673424
Side View
Table 59.0%Crown 39.56°Girdle: STK-VTKPavilion 38.39°Culet: NoneDepth 61.1%

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: Oct 31
Current: £1,852 GBP|Low: £1,033 GBP|High: £1,852 GBP|Avg: £1,312 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10£1,033 GBP
Retailer 6£1,049 GBP
Retailer 9£1,051 GBP
Retailer 3£1,124 GBP
Retailer 4£1,144 GBP
Retailer 7£1,253 GBP
Retailer 5£1,296 GBP
Retailer 11£1,413 GBP
Retailer 2£1,484 GBP
Retailer 8£1,660 GBP
Helzberg Diamonds£1,852 GBP

13 data points across 11 retailers

12 retailers£1,023 GBP to £1,852 GBP

A
Cheapest Retailer
-
£1,023 GBP
SGD 1,853 SGD
A
Retailer 2
-
£1,033 GBP
$1,384 USD
View
A
Retailer 3
-
£1,049 GBP
$1,405 USD
View
A
Retailer 4
-
£1,051 GBP
$1,408 USD
View
A
Retailer 5
-
£1,124 GBP
SGD 2,035 SGD
View
B+
Retailer 6
-
£1,144 GBP
View
B+
Retailer 7
-
£1,253 GBP
$1,679 USD
View
B+
Retailer 8
-
£1,296 GBP
$1,736 USD
View
B+
Retailer 9
-
£1,413 GBP
$1,893 USD
View
B+
Retailer 10
-
£1,484 GBP
€1,894 EUR
View
B+
Retailer 11
-
£1,660 GBP
$2,225 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMJMNJKIK · Nov 2
£1,852 GBP
$2,481 USD
View
11 more retailers have this diamond
Prices start from £1,023 GBPSave up to £828 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
0.80ct Marquise
£1,023 GBP