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Round|Lab Grown|GCAL

2.03ct G SI1 Round Lab Grown Diamond

ID • G/SI1

Diamond specifications and retailer prices

From £253 GBP
As of November 5, 2026
Save £1,146 GBP (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,399 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 2.03ct lab-grown round diamond

This 2.03ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 3 retailers as of November 5, 2026, with prices from £253 to £1,399, a £1,146 spread on the same certified stone. Diamond Exchange Canada lists it at £1,399. 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

2.03
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions8.07 × 8.09 × 5.06 mm
L/W Ratio1.00
Top View
8.07 mm8.09 mm2.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCuletDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £1,399 GBP|Low: £201 GBP|High: £1,399 GBP|Avg: £547 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 5£201 GBP
Retailer 4£247 GBP
Retailer 2£253 GBP
Retailer 6£313 GBP
Retailer 3£886 GBP
Diamond Exchange Canada£1,399 GBP

5 data points across 6 retailers

3 retailers£253 GBP to £1,399 GBP

A
Cheapest Retailer
-
£253 GBP
Retailer 2
-
£308 GBP
View
Price last confirmed 52 days ago
Most Expensive
C
Diamond Exchange Canada
1986529216 · Nov 5
£1,399 GBP
CA$2,615 CAD
View
2 more retailers have this diamond
Prices start from £253 GBPSave up to £1,146 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
2.03ct Round
£253 GBP