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Round|Lab Grown|IGI

3.76ct E SI1 Round Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From £1,871 GBP
CA$3,482 CAD
As of October 30, 2026
Save £1,429 GBP (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,300 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.76ct lab-grown round diamond

This 3.76ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 30, 2026, with prices from £1,871 to £3,300, a £1,429 spread on the same certified stone. The Diamond Guys lists it at £3,300. 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

3.76
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.88 × 9.94 × 6.18 mm
L/W Ratio1.01
Top View
9.88 mm9.94 mm3.76 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.5%CrownGirdle: MediumPavilionCulet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,523 GBP|Low: £1,523 GBP|High: £3,300 GBP|Avg: £2,234 GBP|-1.0%
Retailer 1
Retailer 2
The Diamond Guys
October 18, 2026
Retailer 1£1,523 GBP
Retailer 2£1,871 GBP
The Diamond Guys£3,300 GBP

2 data points across 3 retailers

3 retailers£1,871 GBP to £3,300 GBP

Retailer 1
-
£1,523 GBP
$2,040 USD
Price last confirmed 10 days ago
B
Retailer 2
-
£1,871 GBP
CA$3,482 CAD
View
Most Expensive
C
The Diamond Guys
1842031897 · Oct 30
£3,300 GBP
$4,422 USD
View
2 more retailers have this diamond
Prices start from £1,871 GBPSave up to £1,429 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.

B
3.76ct Round
£1,871 GBP