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Round|Lab Grown|IGI

3.88ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG625489968

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625489968

Diamond specifications and retailer prices

From £1,043 GBP
CA$1,942 CAD
As of October 30, 2026
Save £463 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,506 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.88ct lab-grown round diamond

This 3.88ct 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 LG625489968 or 625489968. Listed at 2 retailers as of October 30, 2026, with prices from £1,043 to £1,506, a £463 spread on the same certified stone. The Diamond Guys lists it at £1,506. 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

3.88
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625489968
Dimensions10.21 × 10.16 × 6.14 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
10.21 mm10.16 mm3.88 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625489968
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £1,759 GBP|Low: £221 GBP|High: £2,597 GBP|Avg: £1,089 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4£571 GBP
Retailer 7£633 GBP
Retailer 11£718 GBP
Retailer 2£739 GBP
Retailer 6£877 GBP
Retailer 10£887 GBP
Retailer 5£941 GBP
Retailer 8£1,043 GBP
Retailer 9£1,285 GBP
Retailer 3£1,351 GBP
The Diamond Guys£1,506 GBP
Retailer 1£1,759 GBP
Retailer 12£2,366 GBP

55 data points across 13 retailers

2 retailers£1,043 GBP to £1,506 GBP

B+
Cheapest Retailer
-
£1,043 GBP
CA$1,942 CAD
Most Expensive
B
The Diamond Guys
1954433951 · Oct 30
£1,506 GBP
$2,018 USD
View
1 more retailer has this diamond
Prices start from £1,043 GBPSave up to £463 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+
3.88ct Round
£1,043 GBP