Round|Lab Grown|GCAL

3.02ct G SI1 Round Lab Grown Diamond

EX • G/SI1

Diamond specifications and retailer prices

From £328 GBP
$440 USD
As of October 30, 2026
Save £1,382 GBP (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,711 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.02ct lab-grown round diamond

This 3.02ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 7 retailers as of October 30, 2026, with prices from £328 to £1,711, a £1,382 spread on the same certified stone. Diamond Exchange Canada lists it at £1,711. 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

3.02
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.22 × 9.28 × 5.71 mm
L/W Ratio1.01
Top View
9.22 mm9.28 mm3.02 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCuletDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,711 GBP|Low: £274 GBP|High: £1,711 GBP|Avg: £731 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 4£274 GBP
Retailer 2£328 GBP
Retailer 6£336 GBP
Retailer 3£363 GBP
Retailer 5£1,206 GBP
Diamond Exchange Canada£1,711 GBP

11 data points across 6 retailers

7 retailers£328 GBP to £1,711 GBP

Retailer 1
-
£274 GBP
$367 USD
Price last confirmed 39 days ago
Retailer 2
-
£318 GBP
$426 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
£328 GBP
$440 USD
View
Retailer 4
-
£336 GBP
$450 USD
View
Price last confirmed 41 days ago
Retailer 5
-
£363 GBP
$487 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£1,206 GBP
$1,616 USD
View
Price last confirmed 42 days ago
Most Expensive
B
Diamond Exchange Canada
1986530389 · Oct 30
£1,711 GBP
CA$3,184 CAD
View
6 more retailers have this diamond
Prices start from £328 GBPSave up to £1,382 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
3.02ct Round
£328 GBP