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Round|Lab Grown|IGI

3.81ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG626426182

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626426182

Diamond specifications and retailer prices

From £357 GBP
$479 USD
As of October 29, 2026
Save £1,144 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,502 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.81ct lab-grown round diamond

This 3.81ct 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 LG626426182 or 626426182. Listed at 6 retailers as of October 29, 2026, with prices from £357 to £1,502, a £1,144 spread on the same certified stone. The Diamond Guys lists it at £1,502. 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

3.81
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626426182
Dimensions10.13 × 10.10 × 6.09 mm
L/W Ratio1.00
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
10.13 mm10.10 mm3.81 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626426182
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

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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 29
Current: £357 GBP|Low: £246 GBP|High: £2,732 GBP|Avg: £1,058 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 27, 2026
Retailer 1£357 GBP
Retailer 6£508 GBP
Retailer 9£608 GBP
Retailer 4£628 GBP
Retailer 10£638 GBP
Retailer 13£693 GBP
Retailer 12£872 GBP
Retailer 8£984 GBP
Retailer 2£1,032 GBP
Retailer 5£1,040 GBP
Retailer 11£1,463 GBP
The Diamond Guys£1,502 GBP
Retailer 3£1,756 GBP
Retailer 7£2,732 GBP

15 data points across 14 retailers

6 retailers£357 GBP to £1,502 GBP

A
Cheapest Retailer
-
£357 GBP
$479 USD
Final sale: no returns
B+
Retailer 2
-
£508 GBP
$681 USD
View
Retailer 3
-
£872 GBP
ZAR 18,881 ZAR
View
Price last confirmed 65 days ago
Retailer 4
-
£984 GBP
$1,318 USD
View
Price last confirmed 44 days ago
B+
Retailer 5
-
£1,040 GBP
CA$1,936 CAD
View
Most Expensive
B
The Diamond Guys
1954433959 · Oct 30
£1,502 GBP
$2,012 USD
View
5 more retailers have this diamond
Prices start from £357 GBPSave up to £1,144 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
3.81ct Round
£357 GBP