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Round|Lab Grown|GCAL

3.07ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GCAL 330460038

Shape and cutting style on the report: Round brilliant

Certificate GCAL 330460038

Diamond specifications and retailer prices

From £298 GBP
$399 USD
As of October 29, 2026
Save £2,344 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,642 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown round diamond

This 3.07ct 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 330460038. Listed at 19 retailers as of October 29, 2026, with prices from £298 to £2,642, a £2,344 spread on the same certified stone. Do Amore Diamonds lists it at £2,642. 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

3.07
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330460038
Dimensions9.30 × 9.36 × 5.73 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.30 mm9.36 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 330460038
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: Oct 29
Current: £2,642 GBP|Low: £267 GBP|High: £2,642 GBP|Avg: £924 GBP|+6.9%
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
Retailer 15
October 30, 2026
Retailer 12£298 GBP
Retailer 4£334 GBP
Retailer 3£369 GBP
Retailer 5£369 GBP
Retailer 6£546 GBP
Retailer 13£586 GBP
Retailer 8£592 GBP
Retailer 9£619 GBP
Retailer 2£1,098 GBP
Retailer 11£1,131 GBP
Retailer 15£1,311 GBP
Retailer 7£1,422 GBP
Retailer 10£1,499 GBP
Retailer 14£1,568 GBP
Do Amore Diamonds£2,642 GBP

40 data points across 15 retailers

19 retailers£298 GBP to £2,642 GBP

Retailer 1
-
£278 GBP
$373 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£298 GBP
$399 USD
View
Retailer 3
-
£323 GBP
$433 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
£334 GBP
$447 USD
View
Final sale: no returns
Retailer 5
-
£341 GBP
$457 USD
View
Price last confirmed 40 days ago
A
Retailer 6
-
£369 GBP
$495 USD
View
A
Retailer 7
-
£369 GBP
$495 USD
View
B+
Retailer 8
-
£546 GBP
$732 USD
View
A
Retailer 9
-
£557 GBP
$746 USD
View
A
Retailer 10
-
£586 GBP
$785 USD
View
A
Retailer 11
-
£592 GBP
View
B
Retailer 12
-
£1,098 GBP
View
B+
Retailer 13
-
£1,131 GBP
CA$2,104 CAD
View
Retailer 14
-
£1,225 GBP
$1,641 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
£1,311 GBP
$1,756 USD
View
B
Retailer 16
-
£1,422 GBP
$1,906 USD
View
B
Retailer 17
-
£1,499 GBP
View
B
Retailer 18
-
£1,568 GBP
$2,101 USD
View
Most Expensive
B
Do Amore Diamonds
27-DD30D631C · Oct 31
£2,642 GBP
$3,540 USD
View
18 more retailers have this diamond
Prices start from £298 GBPSave up to £2,344 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
3.07ct Round
£298 GBP