Round|Lab Grown|GCAL

2.53ct H SI1 Round Lab Grown Diamond

VG • H/SI1

Diamond specifications and retailer prices

From £253 GBP
As of November 5, 2026
Save £1,429 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,681 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 2.53ct lab-grown round diamond

This 2.53ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 11 retailers as of November 5, 2026, with prices from £253 to £1,681, a £1,429 spread on the same certified stone. Diamond Exchange Canada lists it at £1,681. 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

2.53
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions8.76 × 8.79 × 5.44 mm
L/W Ratio1.00
Top View
8.76 mm8.79 mm2.53 ctH / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCuletDepth 62.1%

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: Nov 5
Current: £1,681 GBP|Low: £226 GBP|High: £1,681 GBP|Avg: £651 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 3£253 GBP
Retailer 2£293 GBP
Retailer 5£314 GBP
Retailer 6£314 GBP
Retailer 4£1,112 GBP
Diamond Exchange Canada£1,681 GBP

12 data points across 6 retailers

11 retailers£253 GBP to £1,681 GBP

Retailer 1
-
£226 GBP
Price last confirmed 36 days ago
B+
Retailer 2
-
£253 GBP
View
Retailer 3
-
£273 GBP
View
Price last confirmed 35 days ago
Retailer 4
-
£292 GBP
View
Price last confirmed 35 days ago
B+
Retailer 5
-
£293 GBP
View
Retailer 6
-
£314 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
£314 GBP
View
Retailer 8
-
£366 GBP
View
Price last confirmed 52 days ago
Retailer 9
-
£1,036 GBP
View
Price last confirmed 37 days ago
B+
Retailer 10
-
£1,112 GBP
View
Most Expensive
B+
Diamond Exchange Canada
1986528245 · Nov 5
£1,681 GBP
CA$3,143 CAD
View
10 more retailers have this diamond
Prices start from £253 GBPSave up to £1,429 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+
2.53ct Round
£253 GBP