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Round|Lab Grown|IGI

3.72ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG613381425

Shape and cutting style on the report: Round brilliant

Certificate IGI LG613381425

Diamond specifications and retailer prices

From £311 GBP
$417 USD
As of October 26, 2026
Save £2,450 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,761 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.72ct lab-grown round diamond

This 3.72ct 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 LG613381425 or 613381425. Listed at 11 retailers as of October 26, 2026, with prices from £311 to £2,761, a £2,450 spread on the same certified stone. Do Amore Diamonds lists it at £2,761. 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

3.72
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613381425
Dimensions9.97 × 9.92 × 6.13 mm
L/W Ratio1.01
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
9.97 mm9.92 mm3.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613381425
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Oct 26
Current: £2,761 GBP|Low: £255 GBP|High: £2,829 GBP|Avg: £1,135 GBP|-2.4%
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£311 GBP
Retailer 8£349 GBP
Retailer 3£357 GBP
Retailer 12£610 GBP
Retailer 2£612 GBP
Retailer 6£731 GBP
Retailer 5£785 GBP
Retailer 4£820 GBP
Retailer 13£983 GBP
Retailer 10£1,083 GBP
Retailer 11£1,370 GBP
Retailer 9£1,567 GBP
Retailer 7£1,752 GBP
Retailer 15£1,918 GBP
Do Amore Diamonds£2,761 GBP

22 data points across 15 retailers

11 retailers£311 GBP to £2,761 GBP

A
Cheapest Retailer
-
£311 GBP
$417 USD
A
Retailer 2
-
£349 GBP
$467 USD
View
A
Retailer 3
-
£357 GBP
$479 USD
View
Final sale: no returns
B+
Retailer 4
-
£610 GBP
$817 USD
View
A
Retailer 5
-
£612 GBP
$820 USD
View
B+
Retailer 6
-
£983 GBP
$1,318 USD
View
B+
Retailer 7
-
£1,083 GBP
$1,451 USD
View
B+
Retailer 8
-
£1,370 GBP
$1,835 USD
View
B
Retailer 9
-
£1,567 GBP
View
B
Retailer 10
-
£1,918 GBP
$2,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-BA1D2D0F3 · Oct 29
£2,761 GBP
$3,700 USD
View
10 more retailers have this diamond
Prices start from £311 GBPSave up to £2,450 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
3.72ct Round
£311 GBP