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Asscher|Lab Grown|IGI

3.18ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG768631444

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG768631444

Diamond specifications and retailer prices

From £1,668 GBP
$2,235 USD
As of October 30, 2026
Save £9,922 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £11,591 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown asscher diamond

This 3.18ct lab-grown asscher 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 LG768631444 or 768631444. Listed at 18 retailers as of October 30, 2026, with prices from £1,668 to £11,591, a £9,922 spread on the same certified stone. Do Amore Diamonds lists it at £11,591. 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

3.18
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631444
Dimensions8.09 × 7.87 × 5.27 mm
L/W Ratio1.03
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
8.09 mm7.87 mm3.18 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631444
Side View
Table 64.0%Crown 33.7°Girdle: ThickPavilion 40.8°Culet: NoneDepth 67.0%

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: £11,591 GBP|Low: £1,668 GBP|High: £11,852 GBP|Avg: £4,494 GBP|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 30, 2026
Retailer 11£1,668 GBP
Retailer 3£1,833 GBP
Retailer 8£1,929 GBP
Retailer 2£1,952 GBP
Retailer 9£2,039 GBP
Retailer 17£2,079 GBP
Retailer 18£2,965 GBP
Retailer 16£2,995 GBP
Retailer 15£3,051 GBP
Retailer 13£3,515 GBP
Retailer 5£4,930 GBP
Retailer 4£4,989 GBP
Retailer 12£5,287 GBP
Retailer 6£5,496 GBP
Retailer 7£5,635 GBP
Retailer 14£5,807 GBP
Retailer 10£7,639 GBP
Do Amore Diamonds£11,591 GBP

32 data points across 18 retailers

18 retailers£1,668 GBP to £11,591 GBP

A
Cheapest Retailer
-
£1,668 GBP
$2,235 USD
A
Retailer 2
-
£1,833 GBP
$2,456 USD
View
A
Retailer 3
-
£1,929 GBP
$2,584 USD
View
Final sale: no returns
A
Retailer 4
-
£1,952 GBP
$2,615 USD
View
A
Retailer 5
-
£2,039 GBP
$2,732 USD
View
A
Retailer 6
-
£2,079 GBP
$2,785 USD
View
A
Retailer 7
-
£2,965 GBP
$3,973 USD
View
A
Retailer 8
-
£2,995 GBP
$4,013 USD
View
A
Retailer 9
-
£3,051 GBP
$4,088 USD
View
A
Retailer 10
-
£3,515 GBP
€4,486 EUR
View
Retailer 11
-
£4,276 GBP
$5,730 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£4,930 GBP
$6,605 USD
View
Price last confirmed 12 days ago
Retailer 13
-
£4,989 GBP
A$10,284 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£5,287 GBP
$7,084 USD
View
Retailer 15
-
£5,496 GBP
A$11,330 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
£5,635 GBP
$7,550 USD
View
B+
Retailer 17
-
£5,807 GBP
View
Most Expensive
B
Do Amore Diamonds
27-7C06CDE1B · Oct 30
£11,591 GBP
$15,530 USD
View
17 more retailers have this diamond
Prices start from £1,668 GBPSave up to £9,922 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
3.18ct Asscher
£1,668 GBP