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Oval|Lab Grown|IGI

4.15ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG844602154

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844602154

Diamond specifications and retailer prices

From £1,752 GBP
$2,347 USD
As of October 29, 2026
Save £10,302 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,053 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown oval diamond

This 4.15ct 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 LG844602154 or 844602154. Listed at 18 retailers as of October 29, 2026, with prices from £1,752 to £12,053, a £10,302 spread on the same certified stone. Do Amore Diamonds lists it at £12,053. 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

4.15
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844602154
Dimensions12.85 × 9.08 × 5.47 mm
L/W Ratio1.42
Girdle conditionFaceted
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
12.85 mm9.08 mm4.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844602154
Side View
Table 59.0%Crown 38.9°Girdle: MED-STKPavilion 38°Culet: NoneDepth 60.2%

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: £12,053 GBP|Low: £1,721 GBP|High: £15,195 GBP|Avg: £5,271 GBP|+1.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
Retailer 19
November 1, 2026
Retailer 7£1,752 GBP
Retailer 13£1,868 GBP
Retailer 5£1,906 GBP
Retailer 18£2,069 GBP
Retailer 4£2,153 GBP
Retailer 19£3,083 GBP
Retailer 16£3,114 GBP
Retailer 3£3,129 GBP
Retailer 8£3,170 GBP
Retailer 15£3,646 GBP
Retailer 12£4,806 GBP
Retailer 6£5,558 GBP
Retailer 11£5,989 GBP
Retailer 2£6,006 GBP
Retailer 17£7,904 GBP
Retailer 9£8,484 GBP
Retailer 10£8,654 GBP
Retailer 14£11,692 GBP
Do Amore Diamonds£12,053 GBP

17 data points across 19 retailers

18 retailers£1,752 GBP to £12,053 GBP

A
Cheapest Retailer
-
£1,752 GBP
$2,347 USD
A
Retailer 2
-
£1,868 GBP
View
A
Retailer 3
-
£1,906 GBP
$2,554 USD
View
A
Retailer 4
-
£2,069 GBP
$2,772 USD
View
A
Retailer 5
-
£2,153 GBP
$2,885 USD
View
A
Retailer 6
-
£3,083 GBP
$4,131 USD
View
A
Retailer 7
-
£3,114 GBP
$4,173 USD
View
A
Retailer 8
-
£3,129 GBP
$4,193 USD
View
A
Retailer 9
-
£3,170 GBP
$4,248 USD
View
A
Retailer 10
-
£3,646 GBP
€4,653 EUR
View
B+
Retailer 11
-
£4,806 GBP
A$9,906 AUD
View
B+
Retailer 12
-
£5,558 GBP
$7,447 USD
View
Retailer 13
-
£5,989 GBP
$8,024 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
£6,006 GBP
View
B+
Retailer 15
-
£7,904 GBP
$10,590 USD
View
B
Retailer 16
-
£8,484 GBP
$11,368 USD
View
B
Retailer 17
-
£11,692 GBP
A$24,101 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8ED7AF4C2 · Oct 31
£12,053 GBP
$16,150 USD
View
17 more retailers have this diamond
Prices start from £1,752 GBPSave up to £10,302 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
4.15ct Oval
£1,752 GBP