CaratHunter
Plans
Radiant|Lab Grown|GCAL

3.09ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • GCAL 322780022

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 322780022

Diamond specifications and retailer prices

From £295 GBP
As of November 6, 2026
Save £2,327 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,622 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 322780022. Listed at 13 retailers as of November 6, 2026, with prices from £295 to £2,622, a £2,327 spread on the same certified stone. Do Amore Diamonds lists it at £2,622. 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

3.09
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle56.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 322780022
Dimensions10.32 × 7.02 × 4.84 mm
L/W Ratio1.47
Culet sizeNone
Top View
10.32 mm7.02 mm3.09 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 322780022
Side View
Table 56.0%Crown 40°Girdle: THK-VTKPavilion 56.2°Culet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £2,622 GBP|Low: £261 GBP|High: £2,622 GBP|Avg: £959 GBP|+5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12£295 GBP
Retailer 3£330 GBP
Retailer 7£330 GBP
Retailer 11£366 GBP
Retailer 4£539 GBP
Retailer 9£637 GBP
Retailer 2£1,071 GBP
Retailer 8£1,113 GBP
Retailer 13£1,298 GBP
Retailer 5£1,404 GBP
Retailer 6£1,479 GBP
Retailer 10£1,544 GBP
Do Amore Diamonds£2,622 GBP

31 data points across 13 retailers

13 retailers£295 GBP to £2,622 GBP

A
Cheapest Retailer
-
£295 GBP
A
Retailer 2
-
£330 GBP
View
A
Retailer 3
-
£330 GBP
View
Final sale: no returns
B+
Retailer 4
-
£366 GBP
View
B+
Retailer 5
-
£539 GBP
View
A
Retailer 6
-
£637 GBP
View
B+
Retailer 7
-
£1,071 GBP
View
B+
Retailer 8
-
£1,113 GBP
View
B+
Retailer 9
-
£1,298 GBP
View
B+
Retailer 10
-
£1,404 GBP
View
B+
Retailer 11
-
£1,479 GBP
View
B+
Retailer 12
-
£1,544 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2D54A4920 · Nov 6
£2,622 GBP
$3,510 USD
View
12 more retailers have this diamond
Prices start from £295 GBPSave up to £2,327 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
3.09ct Radiant
£295 GBP