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Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507853

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507853

Diamond specifications and retailer prices

From £1,783 GBP
As of October 30, 2026
Save £9,684 GBP (84%) vs most expensive(unlock to see where)
30 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 LG754507853 or 754507853. Listed at 30 retailers as of October 29, 2026, with a 543% 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 angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507853
Dimensions8.91 × 8.91 × 5.68 mm
L/W Ratio1.00
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
8.91 mm8.91 mm4.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507853
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
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 30
Current: £11,479 GBP|Low: £1,777 GBP|High: £12,225 GBP|Avg: £4,762 GBP|+1.6%
Novita Diamonds
Retailer 2
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Retailer 28
October 30, 2026
Retailer 17£1,777 GBP
Retailer 2£1,783 GBP
Retailer 20£1,933 GBP
Retailer 27£1,934 GBP
Retailer 26£2,044 GBP
Retailer 23£2,058 GBP
Retailer 5£2,165 GBP
Retailer 28£2,662 GBP
Retailer 13£2,882 GBP
Retailer 3£2,883 GBP
Retailer 18£3,128 GBP
Retailer 12£3,159 GBP
Retailer 14£3,417 GBP
Retailer 10£3,617 GBP
Retailer 8£4,051 GBP
Retailer 22£4,543 GBP
Retailer 15£4,648 GBP
Retailer 11£4,882 GBP
Retailer 9£5,163 GBP
Retailer 6£5,403 GBP
Retailer 24£5,745 GBP
Retailer 19£5,947 GBP
Retailer 4£7,450 GBP
Retailer 7£7,709 GBP
Retailer 21£8,228 GBP
Retailer 16£9,732 GBP
Retailer 25£11,467 GBP
Novita Diamonds£11,479 GBP

33 data points across 28 retailers

30 retailers£1,783 GBP to £11,467 GBP

Retailer 1
-
£1,777 GBP
$2,366 USD
Price last confirmed 31 days ago
A
Retailer 2
-
£1,783 GBP
View
Retailer 3
-
£1,933 GBP
$2,574 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£1,933 GBP
$2,574 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£1,934 GBP
$2,575 USD
View
Retailer 6
-
£2,033 GBP
$2,707 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
£2,044 GBP
$2,722 USD
View
A
Retailer 8
-
£2,058 GBP
$2,740 USD
View
Retailer 9
-
£2,061 GBP
$2,745 USD
View
Price last confirmed 27 days ago
A
Retailer 10
-
£2,165 GBP
$2,883 USD
View
Final sale: no returns
A
Retailer 11
-
£2,662 GBP
HK$27,700 HKD
View
A
Retailer 12
-
£2,882 GBP
View
A
Retailer 13
-
£2,883 GBP
$3,839 USD
View
Retailer 14
-
£3,128 GBP
$4,165 USD
View
Price last confirmed 29 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
Retailer 20
-
£4,882 GBP
A$10,002 AUD
View
Price last confirmed 7 days ago
B+
Retailer 21
-
£5,163 GBP
$6,875 USD
View
B+
Retailer 22
-
£5,403 GBP
$7,196 USD
View
B+
Retailer 23
-
£5,745 GBP
View
B+
Retailer 24
-
£5,947 GBP
$7,920 USD
View
B
Retailer 25
-
£7,450 GBP
$9,921 USD
View
B
Retailer 26
-
£7,709 GBP
SGD 13,872 SGD
View
B
Retailer 27
-
£8,228 GBP
$10,957 USD
View
B
Retailer 28
-
£9,732 GBP
$12,960 USD
View
B
Retailer 29
-
£11,467 GBP
$15,270 USD
View
Most Expensive
Novita Diamonds
cert_754507853 · Oct 8
£11,479 GBP
A$23,518 AUD
View
Price last confirmed 21 days ago
29 more retailers have this diamond
Prices start from £1,783 GBPSave up to £9,684 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
£1,783 GBP