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Round|Natural|GIA

0.77ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2567682066

Certificate GIA 2567682066

Diamond specifications and retailer prices

From £458 GBP
As of November 5, 2026
Save £378 GBP (45%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £837 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.77ct natural round diamond

This 0.77ct natural round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567682066. Listed at 9 retailers as of November 5, 2026, with prices from £458 to £837, a £378 spread on the same certified stone. Frank Darling lists it at £837. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2567682066
Dimensions5.88 × 5.90 × 3.66 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.88 mm5.90 mm0.77 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567682066
Side View
Table 57.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.1%

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: Nov 5
Current: £837 GBP|Low: £458 GBP|High: £837 GBP|Avg: £673 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£458 GBP
Retailer 5£520 GBP
Retailer 9£525 GBP
Retailer 7£623 GBP
Retailer 6£682 GBP
Retailer 2£703 GBP
Retailer 4£703 GBP
Retailer 8£793 GBP
Frank Darling£837 GBP

12 data points across 9 retailers

9 retailers£458 GBP to £837 GBP

A
Cheapest Retailer
-
£458 GBP
A
Retailer 2
-
£520 GBP
View
A
Retailer 3
-
£525 GBP
View
A
Retailer 4
-
£623 GBP
View
A
Retailer 5
-
£682 GBP
View
A
Retailer 6
-
£703 GBP
View
A
Retailer 7
-
£703 GBP
View
A
Retailer 8
-
£793 GBP
View
Most Expensive
B+
Frank Darling
2707445HK · Nov 6
£837 GBP
$1,126 USD
View
8 more retailers have this diamond
Prices start from £458 GBPSave up to £378 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
£458 GBP