Round|Lab Grown|IGI

3.79ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG625454313

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625454313

Diamond specifications and retailer prices

From £350 GBP
$470 USD
As of October 27, 2026
Save £2,422 GBP (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,772 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.79ct lab-grown round diamond

This 3.79ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625454313 or 625454313. Listed at 10 retailers as of October 27, 2026, with prices from £350 to £2,772, a £2,422 spread on the same certified stone. Do Amore Diamonds lists it at £2,772. 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

3.79
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625454313
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.37 mm7.13 mm3.79 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625454313
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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 27
Current: £2,772 GBP|Low: £259 GBP|High: £2,876 GBP|Avg: £1,154 GBP|-3.6%
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 28, 2026
Retailer 14£312 GBP
Retailer 12£350 GBP
Retailer 3£363 GBP
Retailer 11£610 GBP
Retailer 2£611 GBP
Retailer 6£744 GBP
Retailer 5£795 GBP
Retailer 4£848 GBP
Retailer 13£986 GBP
Retailer 9£1,086 GBP
Retailer 10£1,375 GBP
Retailer 8£1,573 GBP
Retailer 7£1,754 GBP
Retailer 15£1,952 GBP
Do Amore Diamonds£2,772 GBP

20 data points across 15 retailers

10 retailers£350 GBP to £2,772 GBP

Retailer 1
-
£312 GBP
$419 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£350 GBP
$470 USD
View
B+
Retailer 3
-
£610 GBP
$819 USD
View
A
Retailer 4
-
£611 GBP
$820 USD
View
B+
Retailer 5
-
£986 GBP
$1,323 USD
View
Retailer 6
-
£1,086 GBP
$1,458 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£1,375 GBP
$1,845 USD
View
Retailer 8
-
£1,573 GBP
View
Price last confirmed 7 days ago
B
Retailer 9
-
£1,952 GBP
$2,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-A640BF896 · Oct 29
£2,772 GBP
$3,720 USD
View
9 more retailers have this diamond
Prices start from £350 GBPSave up to £2,422 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
3.79ct Round
£350 GBP