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Round|Lab Grown|GCAL

3.08ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GCAL 330610308

Shape and cutting style on the report: Round brilliant

Certificate GCAL 330610308

Diamond specifications and retailer prices

From £304 GBP
As of November 5, 2026
Save £2,401 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,704 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round 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 330610308. Listed at 18 retailers as of November 4, 2026, with prices from £304 to £2,704, a £2,401 spread on the same certified stone. Do Amore Diamonds lists it at £2,704. 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

3.08
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330610308
Dimensions9.37 × 9.41 × 5.71 mm
L/W Ratio1.00
Culet sizeNone
Top View
9.37 mm9.41 mm3.08 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330610308
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.8%

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 5
Current: £2,704 GBP|Low: £270 GBP|High: £2,704 GBP|Avg: £999 GBP|+8.0%
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
Retailer 14
November 6, 2026
Retailer 10£304 GBP
Retailer 3£340 GBP
Retailer 4£377 GBP
Retailer 14£377 GBP
Retailer 2£556 GBP
Retailer 5£557 GBP
Retailer 11£592 GBP
Retailer 7£1,110 GBP
Retailer 9£1,155 GBP
Retailer 13£1,339 GBP
Retailer 6£1,446 GBP
Retailer 8£1,529 GBP
Retailer 12£1,601 GBP
Do Amore Diamonds£2,704 GBP

34 data points across 14 retailers

18 retailers£304 GBP to £2,704 GBP

Retailer 1
-
£282 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£304 GBP
View
Retailer 3
-
£316 GBP
View
Price last confirmed 44 days ago
A
Retailer 4
-
£340 GBP
View
Final sale: no returns
Retailer 5
-
£345 GBP
View
Price last confirmed 45 days ago
A
Retailer 6
-
£377 GBP
View
Retailer 7
-
£377 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
£556 GBP
View
B+
Retailer 9
-
£557 GBP
View
A
Retailer 10
-
£592 GBP
View
B+
Retailer 11
-
£1,110 GBP
View
B+
Retailer 12
-
£1,155 GBP
View
Retailer 13
-
£1,239 GBP
View
Price last confirmed 46 days ago
B+
Retailer 14
-
£1,339 GBP
View
B+
Retailer 15
-
£1,446 GBP
View
B+
Retailer 16
-
£1,529 GBP
View
B+
Retailer 17
-
£1,601 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AD9C12BB9 · Nov 4
£2,704 GBP
$3,640 USD
View
17 more retailers have this diamond
Prices start from £304 GBPSave up to £2,401 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
3.08ct Round
£304 GBP