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Oval|Lab Grown|IGI

4.00ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG846655691

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG846655691

Diamond specifications and retailer prices

From £407 GBP
$546 USD
As of October 29, 2026
Save £3,343 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,750 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846655691 or 846655691. Listed at 21 retailers as of October 29, 2026, with prices from £407 to £3,750, a £3,343 spread on the same certified stone. Helzberg Diamonds lists it at £3,750. 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

4.00
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846655691
Dimensions13.28 × 8.80 × 5.31 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.28 mm8.80 mm4.00 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846655691
Side View
Table 62.0%Crown 33.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,750 GBP|Low: £407 GBP|High: £436,598 GBP|Avg: £88,382 GBP
Helzberg Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 3£407 GBP
Retailer 20£437 GBP
Retailer 13£457 GBP
Retailer 2£503 GBP
Retailer 6£505 GBP
Retailer 4£605 GBP
Retailer 18£742 GBP
Retailer 10£781 GBP
Retailer 15£788 GBP
Retailer 21£1,102 GBP
Retailer 17£1,305 GBP
Retailer 11£1,330 GBP
Retailer 7£1,602 GBP
Retailer 19£1,636 GBP
Retailer 9£1,641 GBP
Retailer 16£1,953 GBP
Retailer 5£2,122 GBP
Retailer 8£2,331 GBP
Helzberg Diamonds£3,750 GBP
Retailer 14£224,001 GBP
Retailer 12£261,245 GBP

7 data points across 21 retailers

21 retailers£407 GBP to £3,750 GBP

A
Cheapest Retailer
-
£407 GBP
$546 USD
A
Retailer 2
-
£437 GBP
View
A
Retailer 3
-
£505 GBP
$677 USD
View
A
Retailer 4
-
£605 GBP
$810 USD
View
A
Retailer 5
-
£742 GBP
$994 USD
View
B+
Retailer 6
-
£781 GBP
$1,046 USD
View
A
Retailer 7
-
£788 GBP
View
B+
Retailer 8
-
£1,102 GBP
$1,476 USD
View
B+
Retailer 9
-
£1,305 GBP
$1,748 USD
View
B+
Retailer 10
-
£1,330 GBP
$1,782 USD
View
B+
Retailer 11
-
£1,602 GBP
$2,147 USD
View
B+
Retailer 12
-
£1,636 GBP
$2,192 USD
View
B+
Retailer 13
-
£1,641 GBP
$2,199 USD
View
B
Retailer 14
-
£1,953 GBP
A$4,026 AUD
View
B
Retailer 15
-
£2,122 GBP
View
B
Retailer 16
-
£2,331 GBP
$3,123 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKMMLLMPH · Oct 31
£3,750 GBP
$5,025 USD
View
16 more retailers have this diamond
Prices start from £407 GBPSave up to £3,343 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
4.00ct Oval
£407 GBP