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Round|Lab Grown|IGI

3.92ct D VS2 Round Lab Grown Diamond

EX • D/VS2 • IGI LG793624291

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793624291

Diamond specifications and retailer prices

From £360 GBP
$482 USD
As of October 29, 2026
Save £1,647 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,545 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.92ct lab-grown round diamond

This 3.92ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793624291 or 793624291. Listed at 13 retailers as of October 29, 2026, with a 458% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.92
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793624291
Dimensions10.21 × 10.25 × 6.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.21 mm10.25 mm3.92 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793624291
Side View
Table 61.0%Crown 32.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 58.9%

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: £3,545 GBP|Low: £360 GBP|High: £6,642 GBP|Avg: £1,667 GBP|-46.6%
Brilliant Earth
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
Retailer 16
October 30, 2026
Retailer 5£360 GBP
Retailer 14£403 GBP
Retailer 2£573 GBP
Retailer 9£676 GBP
Retailer 16£749 GBP
Retailer 6£772 GBP
Retailer 11£1,199 GBP
Retailer 12£1,202 GBP
Retailer 3£1,434 GBP
Retailer 15£1,538 GBP
Retailer 8£1,614 GBP
Retailer 4£1,788 GBP
Retailer 7£1,832 GBP
Retailer 10£1,872 GBP
Retailer 13£2,007 GBP
Brilliant Earth£3,545 GBP

34 data points across 16 retailers

13 retailers£360 GBP to £2,007 GBP

A
Cheapest Retailer
-
£360 GBP
$482 USD
A
Retailer 2
-
£403 GBP
$540 USD
View
A
Retailer 3
-
£573 GBP
View
A
Retailer 4
-
£676 GBP
€863 EUR
View
A
Retailer 5
-
£749 GBP
$1,003 USD
View
B+
Retailer 6
-
£1,199 GBP
$1,606 USD
View
B+
Retailer 7
-
£1,202 GBP
$1,610 USD
View
B+
Retailer 8
-
£1,434 GBP
$1,921 USD
View
B+
Retailer 9
-
£1,538 GBP
$2,061 USD
View
Retailer 10
-
£1,788 GBP
SGD 3,238 SGD
View
Price last confirmed 17 days ago
B+
Retailer 11
-
£1,872 GBP
View
B
Retailer 12
-
£2,007 GBP
$2,689 USD
View
Most Expensive
Brilliant Earth
20804979A · Oct 30
£3,545 GBP
$4,750 USD
View
Price under review
12 more retailers have this diamond
Prices start from £360 GBPSave up to £1,647 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
3.92ct Round
£360 GBP