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Round|Lab Grown|IGI

3.65ct H VS1 Round Lab Grown Diamond

ID • H/VS1

Diamond specifications and retailer prices

From £1,900 GBP
CA$3,535 CAD
As of October 30, 2026
Save £1,451 GBP (43%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,351 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from £1,900 to £3,351, a £1,451 spread on the same certified stone. The Diamond Guys lists it at £3,351. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.65
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.83 × 9.87 × 6.12 mm
L/W Ratio1.00
Top View
9.83 mm9.87 mm3.65 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.1%

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: £1,855 GBP|Low: £1,855 GBP|High: £3,351 GBP|Avg: £2,618 GBP
Retailer 1
Retailer 2
The Diamond Guys
September 21, 2026
Retailer 1£1,855 GBP
Retailer 2£1,900 GBP
The Diamond Guys£3,351 GBP

3 data points across 3 retailers

2 retailers£1,900 GBP to £3,351 GBP

B
Cheapest Retailer
-
£1,900 GBP
CA$3,535 CAD
Most Expensive
C
The Diamond Guys
1932864102 · Oct 30
£3,351 GBP
$4,490 USD
View
1 more retailer has this diamond
Prices start from £1,900 GBPSave up to £1,451 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
3.65ct Round
£1,900 GBP