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Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7558263649

Certificate GIA 7558263649

Diamond specifications and retailer prices

From £534 GBP
SGD 966 SGD
As of October 31, 2026
Save £414 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £947 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558263649. Listed at 11 retailers as of October 26, 2026, with prices from £534 to £947, a £414 spread on the same certified stone. Wholesale Diamonds Direct lists it at £947. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7558263649
Dimensions5.86 × 5.82 × 3.65 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.86 mm5.82 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558263649
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: £848 GBP|Low: £534 GBP|High: £1,052 GBP|Avg: £815 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 29, 2026
Retailer 3£534 GBP
Retailer 5£578 GBP
Retailer 9£630 GBP
Retailer 7£643 GBP
Retailer 8£726 GBP
Retailer 4£825 GBP
Retailer 1£848 GBP
Retailer 6£881 GBP
Retailer 10£939 GBP
Wholesale Diamonds Direct£947 GBP
Retailer 2£1,052 GBP

30 data points across 11 retailers

11 retailers£534 GBP to £947 GBP

A
Cheapest Retailer
-
£534 GBP
SGD 966 SGD
A
Retailer 2
-
£578 GBP
$775 USD
View
A
Retailer 3
-
£630 GBP
SGD 1,140 SGD
View
A
Retailer 4
-
£643 GBP
$861 USD
View
A
Retailer 5
-
£726 GBP
$973 USD
View
A
Retailer 6
-
£802 GBP
$1,074 USD
View
A
Retailer 7
-
£825 GBP
View
A
Retailer 8
-
£848 GBP
€1,082 EUR
View
A
Retailer 9
-
£881 GBP
$1,181 USD
View
A
Retailer 10
-
£939 GBP
$1,258 USD
View
Most Expensive
A
Wholesale Diamonds Direct
262896767 · Oct 26
£947 GBP
$1,269 USD
View
10 more retailers have this diamond
Prices start from £534 GBPSave up to £414 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
£534 GBP