Round|Natural|GIA

0.77ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6243083933

Certificate GIA 6243083933

Diamond specifications and retailer prices

From £688 GBP
SGD 1,246 SGD
As of October 31, 2026
Save £580 GBP (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,268 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243083933. Listed at 11 retailers as of October 26, 2026, with prices from £688 to £1,268, a £580 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,268. 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
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6243083933
Dimensions5.87 × 5.89 × 3.66 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.87 mm5.89 mm0.77 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243083933
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.3%

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: Oct 31
Current: £1,114 GBP|Low: £688 GBP|High: £1,307 GBP|Avg: £991 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 1, 2026
Retailer 5£688 GBP
Retailer 6£773 GBP
Retailer 4£806 GBP
Retailer 8£813 GBP
Retailer 9£842 GBP
Retailer 7£954 GBP
Retailer 3£1,066 GBP
Retailer 1£1,114 GBP
Retailer 10£1,142 GBP
Retailer 2£1,217 GBP
Wholesale Diamonds Direct£1,268 GBP

17 data points across 11 retailers

11 retailers£688 GBP to £1,268 GBP

A
Cheapest Retailer
-
£688 GBP
SGD 1,246 SGD
A
Retailer 2
-
£773 GBP
$1,036 USD
View
A
Retailer 3
-
£806 GBP
$1,080 USD
View
A
Retailer 4
-
£813 GBP
$1,089 USD
View
A
Retailer 5
-
£842 GBP
SGD 1,524 SGD
View
A
Retailer 6
-
£954 GBP
$1,278 USD
View
A
Retailer 7
-
£1,066 GBP
View
A
Retailer 8
-
£1,114 GBP
€1,422 EUR
View
A
Retailer 9
-
£1,142 GBP
$1,530 USD
View
B+
Retailer 10
-
£1,178 GBP
$1,579 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
481731601 · Oct 26
£1,268 GBP
$1,699 USD
View
10 more retailers have this diamond
Prices start from £688 GBPSave up to £580 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
£688 GBP