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Round|Natural|GIA

0.77ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5231961744

Certificate GIA 5231961744

Diamond specifications and retailer prices

From £562 GBP
SGD 1,010 SGD
As of October 29, 2026
Save £442 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,005 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 5231961744. Listed at 11 retailers as of October 26, 2026, with prices from £562 to £1,005, a £442 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,005. 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 angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231961744
Dimensions5.91 × 5.94 × 3.60 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.91 mm5.94 mm0.77 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231961744
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 29
Current: £891 GBP|Low: £562 GBP|High: £1,090 GBP|Avg: £832 GBP|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 28, 2026
Retailer 2£562 GBP
Retailer 4£614 GBP
Retailer 8£669 GBP
Retailer 6£682 GBP
Retailer 7£769 GBP
Retailer 3£865 GBP
Retailer 1£891 GBP
Retailer 5£936 GBP
Retailer 9£979 GBP
Wholesale Diamonds Direct£1,005 GBP

28 data points across 10 retailers

11 retailers£562 GBP to £1,005 GBP

A
Cheapest Retailer
-
£562 GBP
SGD 1,010 SGD
A
Retailer 2
-
£614 GBP
$816 USD
View
A
Retailer 3
-
£669 GBP
SGD 1,201 SGD
View
A
Retailer 4
-
£682 GBP
$906 USD
View
A
Retailer 5
-
£769 GBP
$1,022 USD
View
A
Retailer 6
-
£851 GBP
$1,131 USD
View
A
Retailer 7
-
£865 GBP
View
A
Retailer 8
-
£891 GBP
€1,128 EUR
View
A
Retailer 9
-
£936 GBP
$1,244 USD
View
B+
Retailer 10
-
£979 GBP
$1,301 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262896768 · Oct 26
£1,005 GBP
$1,335 USD
View
10 more retailers have this diamond
Prices start from £562 GBPSave up to £442 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
£562 GBP