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Marquise|Natural|GIA

0.80ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 1548939018

Certificate GIA 1548939018

Diamond specifications and retailer prices

From £1,346 GBP
A$2,778 AUD
As of November 2, 2026
Save £689 GBP (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,034 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548939018. Listed at 4 retailers as of November 2, 2026, with prices from £1,346 to £2,034, a £689 spread on the same certified stone. 77 Diamonds lists it at £2,034. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548939018
Dimensions9.03 × 4.86 × 3.09 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot
Top View
9.03 mm4.86 mm0.80 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1548939018
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.6%

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 2
Current: £2,034 GBP|Low: £887 GBP|High: £2,290 GBP|Avg: £1,438 GBP|-0.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10£887 GBP
Retailer 6£904 GBP
Retailer 12£1,129 GBP
Retailer 9£1,195 GBP
Retailer 11£1,248 GBP
Retailer 8£1,319 GBP
Retailer 5£1,346 GBP
Retailer 3£1,701 GBP
Retailer 4£1,717 GBP
Retailer 2£1,897 GBP
77 Diamonds£2,034 GBP
Retailer 7£2,290 GBP

21 data points across 12 retailers

4 retailers£1,346 GBP to £2,034 GBP

Retailer 1
-
£887 GBP
HK$9,300 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
£1,346 GBP
A$2,778 AUD
View
B
Retailer 3
-
£1,897 GBP
CA$3,536 CAD
View
Most Expensive
B
77 Diamonds
MQMB5BWN4MTQ · Nov 2
£2,034 GBP
View
3 more retailers have this diamond
Prices start from £1,346 GBPSave up to £689 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+
0.80ct Marquise
£1,346 GBP