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0.77ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6471761809

Certificate GIA 6471761809

Diamond specifications and retailer prices

From £545 GBP
HK$5,700 HKD
As of October 31, 2026
Save £456 GBP (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,000 GBP at 77 Diamonds · As of October 28, 2026
View at 77 Diamonds

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6471761809. Listed at 5 retailers as of October 28, 2026, with prices from £545 to £1,000, a £456 spread on the same certified stone. 77 Diamonds lists it at £1,000. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6471761809
Dimensions5.82 × 5.85 × 3.63 mm
L/W Ratio1.01
Top View
5.82 mm5.85 mm0.77 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6471761809
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: £1,000 GBP|Low: £535 GBP|High: £1,045 GBP|Avg: £873 GBP|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2£545 GBP
Retailer 4£828 GBP
Retailer 5£866 GBP
Retailer 3£985 GBP
77 Diamonds£1,000 GBP
Retailer 6£1,014 GBP

37 data points across 6 retailers

5 retailers£545 GBP to £1,000 GBP

A
Cheapest Retailer
-
£545 GBP
HK$5,700 HKD
A
Retailer 2
-
£685 GBP
A$1,413 AUD
View
A
Retailer 3
-
£828 GBP
$1,109 USD
View
B+
Retailer 4
-
£985 GBP
€1,257 EUR
View
Most Expensive
B+
77 Diamonds
RBEVS5B248VR · Oct 28
£1,000 GBP
View
4 more retailers have this diamond
Prices start from £545 GBPSave up to £456 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
£545 GBP