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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754508879

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754508879

Diamond specifications and retailer prices

From £1,934 GBP
$2,575 USD
As of October 29, 2026
Save £9,533 GBP (83%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £11,479 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508879 or 754508879. Listed at 29 retailers as of October 29, 2026, with a 493% 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

4.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508879
Dimensions12.65 × 9.01 × 5.60 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.65 mm9.01 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508879
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.2%

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: £11,479 GBP|Low: £1,934 GBP|High: £12,225 GBP|Avg: £5,241 GBP|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 20£1,934 GBP
Retailer 19£2,044 GBP
Retailer 16£2,058 GBP
Retailer 7£2,165 GBP
Retailer 21£2,662 GBP
Retailer 2£2,882 GBP
Retailer 22£2,883 GBP
Retailer 11£3,159 GBP
Retailer 12£3,417 GBP
Retailer 8£3,617 GBP
Retailer 5£4,051 GBP
Retailer 13£4,543 GBP
Retailer 10£4,603 GBP
Retailer 9£4,882 GBP
Retailer 6£5,163 GBP
Retailer 4£5,403 GBP
Retailer 17£5,745 GBP
Retailer 15£5,947 GBP
Retailer 3£7,450 GBP
Retailer 14£9,732 GBP
Retailer 18£11,467 GBP
Novita Diamonds£11,479 GBP

36 data points across 22 retailers

29 retailers£1,934 GBP to £11,467 GBP

Retailer 1
-
£1,777 GBP
$2,366 USD
Price last confirmed 31 days ago
Retailer 2
-
£1,933 GBP
$2,574 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£1,934 GBP
$2,575 USD
View
Retailer 4
-
£2,033 GBP
$2,707 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£2,044 GBP
$2,722 USD
View
A
Retailer 6
-
£2,058 GBP
$2,740 USD
View
Retailer 7
-
£2,061 GBP
$2,745 USD
View
Price last confirmed 27 days ago
Retailer 8
-
£2,061 GBP
$2,745 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
£2,165 GBP
$2,883 USD
View
Final sale: no returns
A
Retailer 10
-
£2,662 GBP
HK$27,700 HKD
View
A
Retailer 11
-
£2,882 GBP
View
A
Retailer 12
-
£2,883 GBP
$3,839 USD
View
Retailer 13
-
£3,128 GBP
$4,165 USD
View
Price last confirmed 29 days ago
Retailer 14
-
£3,128 GBP
$4,165 USD
View
Price last confirmed 20 days ago
A
Retailer 15
-
£3,159 GBP
$4,207 USD
View
A
Retailer 16
-
£3,417 GBP
$4,550 USD
View
A
Retailer 17
-
£3,617 GBP
€4,587 EUR
View
A
Retailer 18
-
£4,051 GBP
View
A
Retailer 19
-
£4,543 GBP
ZAR 97,746 ZAR
View
B+
Retailer 20
-
£4,603 GBP
$6,130 USD
View
Retailer 21
-
£4,882 GBP
A$10,002 AUD
View
Price last confirmed 7 days ago
B+
Retailer 22
-
£5,163 GBP
$6,875 USD
View
B+
Retailer 23
-
£5,403 GBP
$7,196 USD
View
B+
Retailer 24
-
£5,745 GBP
View
B+
Retailer 25
-
£5,947 GBP
$7,920 USD
View
B
Retailer 26
-
£7,450 GBP
$9,921 USD
View
B
Retailer 27
-
£9,732 GBP
$12,960 USD
View
B
Retailer 28
-
£11,467 GBP
$15,270 USD
View
Most Expensive
Novita Diamonds
cert_754508879 · Oct 8
£11,479 GBP
A$23,518 AUD
View
Price last confirmed 21 days ago
28 more retailers have this diamond
Prices start from £1,934 GBPSave up to £9,533 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
£1,934 GBP