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Oval|Lab Grown|IGI

4.12ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG702510822

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG702510822

Diamond specifications and retailer prices

From £2,453 GBP
$3,287 USD
As of November 1, 2026
Save £16,265 GBP (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £18,718 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown oval diamond

This 4.12ct 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 LG702510822 or 702510822. Listed at 23 retailers as of October 31, 2026, with prices from £2,453 to £18,718, a £16,265 spread on the same certified stone. Do Amore Diamonds lists it at £18,718. 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

4.12
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702510822
Dimensions12.57 × 9.01 × 5.72 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
12.57 mm9.01 mm4.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702510822
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.5%

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: Nov 1
Current: £6,728 GBP|Low: £2,355 GBP|High: £15,091 GBP|Avg: £5,273 GBP
Retailer 1
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 2£2,453 GBP
Retailer 6£2,669 GBP
Retailer 9£2,747 GBP
Retailer 3£2,846 GBP
Retailer 8£2,850 GBP
Retailer 18£2,963 GBP
Retailer 5£3,925 GBP
Retailer 17£3,925 GBP
Retailer 12£4,069 GBP
Retailer 4£4,418 GBP
Retailer 10£4,823 GBP
Retailer 13£4,958 GBP
Retailer 15£6,685 GBP
Retailer 1£6,728 GBP
Retailer 11£6,798 GBP
Retailer 16£7,157 GBP
Retailer 7£10,821 GBP
Retailer 14£11,479 GBP

43 data points across 18 retailers

23 retailers£2,453 GBP to £18,718 GBP

A
Cheapest Retailer
-
£2,453 GBP
$3,287 USD
A
Retailer 2
-
£2,669 GBP
$3,576 USD
View
A
Retailer 3
-
£2,747 GBP
$3,681 USD
View
Final sale: no returns
Retailer 4
-
£2,846 GBP
$3,813 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£2,846 GBP
$3,813 USD
View
A
Retailer 6
-
£2,850 GBP
$3,819 USD
View
A
Retailer 7
-
£2,963 GBP
$3,970 USD
View
A
Retailer 8
-
£3,186 GBP
$4,269 USD
View
A
Retailer 9
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£3,925 GBP
$5,259 USD
View
A
Retailer 10
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£3,925 GBP
$5,259 USD
View
A
Retailer 11
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£4,069 GBP
View
B+
Retailer 12
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£4,418 GBP
$5,919 USD
View
B+
Retailer 13
-
£4,823 GBP
View
B+
Retailer 14
-
£4,958 GBP
€6,327 EUR
View
B+
Retailer 15
-
£6,685 GBP
ZAR 144,694 ZAR
View
B+
Retailer 16
-
£6,728 GBP
View
B+
Retailer 17
-
£6,798 GBP
A$14,014 AUD
View
B+
Retailer 18
-
£7,157 GBP
$9,589 USD
View
B
Retailer 19
-
£10,821 GBP
SGD 19,594 SGD
View
B
Retailer 20
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£11,077 GBP
$14,842 USD
View
B
Retailer 21
-
£11,479 GBP
$15,380 USD
View
B
Retailer 22
-
£16,875 GBP
$22,610 USD
View
Most Expensive
B
Do Amore Diamonds
23-702510822 · Oct 31
£18,718 GBP
$25,080 USD
View
22 more retailers have this diamond
Prices start from £2,453 GBPSave up to £16,265 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
4.12ct Oval
£2,453 GBP