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Oval|Lab Grown|GCAL

3.08ct G SI1 Oval Lab Grown Diamond

VG • G/SI1

Diamond specifications and retailer prices

From £312 GBP
As of November 6, 2026
Save £1,497 GBP (83%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,808 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 3.08ct lab-grown oval diamond

This 3.08ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 5 retailers as of November 5, 2026, with prices from £312 to £1,808, a £1,497 spread on the same certified stone. Diamond Exchange Canada lists it at £1,808. 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

3.08
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions11.22 × 8.31 × 5.18 mm
L/W Ratio1.35
Top View
11.22 mm8.31 mm3.08 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCuletDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £1,808 GBP|Low: £278 GBP|High: £1,808 GBP|Avg: £824 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 3£312 GBP
Retailer 2£349 GBP
Retailer 4£386 GBP
Retailer 5£1,371 GBP
Diamond Exchange Canada£1,808 GBP

14 data points across 5 retailers

5 retailers£312 GBP to £1,808 GBP

B+
Cheapest Retailer
-
£312 GBP
B+
Retailer 2
-
£349 GBP
View
B+
Retailer 3
-
£386 GBP
View
B
Retailer 4
-
£1,371 GBP
View
Most Expensive
C
Diamond Exchange Canada
1986529903 · Nov 5
£1,808 GBP
CA$3,361 CAD
View
4 more retailers have this diamond
Prices start from £312 GBPSave up to £1,497 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+
3.08ct Oval
£312 GBP