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Round|Natural|GIA

0.77ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6291840033

Certificate GIA 6291840033

Diamond specifications and retailer prices

From £1,217 GBP
$1,630 USD
As of November 1, 2026
Save £1,767 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,984 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6291840033. Listed at 6 retailers as of November 1, 2026, with prices from £1,217 to £2,984, a £1,767 spread on the same certified stone. Diamond Quarter lists it at £2,984. 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

0.77
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6291840033
Dimensions5.93 × 5.90 × 3.57 mm
L/W Ratio1.01
Top View
5.93 mm5.90 mm0.77 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6291840033
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

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 1
Current: £1,586 GBP|Low: £1,217 GBP|High: £2,579 GBP|Avg: £1,848 GBP|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£1,217 GBP
Retailer 1£1,586 GBP
Retailer 5£1,898 GBP
Retailer 3£1,978 GBP
Retailer 2£2,549 GBP

42 data points across 5 retailers

6 retailers£1,217 GBP to £2,984 GBP

A
Cheapest Retailer
-
£1,217 GBP
$1,630 USD
B+
Retailer 2
-
£1,586 GBP
View
Retailer 3
-
£1,898 GBP
A$3,913 AUD
View
Price last confirmed 27 days ago
B
Retailer 4
-
£1,978 GBP
€2,524 EUR
View
B
Retailer 5
-
£2,549 GBP
View
Most Expensive
B
Diamond Quarter
0.77SI1F623310BDN · Nov 2
£2,984 GBP
View
5 more retailers have this diamond
Prices start from £1,217 GBPSave up to £1,767 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
0.77ct Round
£1,217 GBP