Oval|Lab Grown|GCAL

0.79ct F SI1 Oval Lab Grown Diamond

VG • F/SI1

Diamond specifications and retailer prices

From £117 GBP
$157 USD
As of October 31, 2026
Save £522 GBP (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £639 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 0.79ct lab-grown oval diamond

This 0.79ct lab-grown oval sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 5 retailers as of October 30, 2026, with prices from £117 to £639, a £522 spread on the same certified stone. Diamond Exchange Canada lists it at £639. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.79
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions7.10 × 5.28 × 3.27 mm
L/W Ratio1.34
Top View
7.10 mm5.28 mm0.79 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCuletDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £639 GBP|Low: £95 GBP|High: £639 GBP|Avg: £267 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 4£95 GBP
Retailer 5£116 GBP
Retailer 2£117 GBP
Retailer 3£117 GBP
Retailer 6£417 GBP
Diamond Exchange Canada£639 GBP

9 data points across 6 retailers

5 retailers£117 GBP to £639 GBP

Retailer 1
-
£95 GBP
$127 USD
Price last confirmed 37 days ago
Retailer 2
-
£110 GBP
$147 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£116 GBP
$155 USD
View
Price last confirmed 38 days ago
B+
Retailer 4
-
£117 GBP
$157 USD
View
Most Expensive
C
Diamond Exchange Canada
1986535490 · Oct 30
£639 GBP
CA$1,189 CAD
View
4 more retailers have this diamond
Prices start from £117 GBPSave up to £522 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.

B+
0.79ct Oval
£117 GBP