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Asscher|Lab Grown|IGI

3.40ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG754593929

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG754593929

Diamond specifications and retailer prices

From £1,782 GBP
$2,388 USD
As of October 30, 2026
Save £10,599 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £12,382 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.4ct lab-grown asscher diamond

This 3.4ct 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 LG754593929 or 754593929. Listed at 18 retailers as of October 30, 2026, with prices from £1,782 to £12,382, a £10,599 spread on the same certified stone. Do Amore Diamonds lists it at £12,382. 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

3.40
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754593929
Dimensions8.25 × 8.25 × 8.23 mm
L/W Ratio1.00
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
8.25 mm8.25 mm3.40 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754593929
Side View
Table 63.0%Crown 35°Girdle: ThickPavilion 40.4°Culet: NoneDepth 66.2%

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: £12,382 GBP|Low: £1,782 GBP|High: £12,665 GBP|Avg: £4,203 GBP|-2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 18
October 30, 2026
Retailer 11£1,782 GBP
Retailer 5£1,958 GBP
Retailer 10£2,078 GBP
Retailer 17£2,097 GBP
Retailer 3£2,209 GBP
Retailer 6£2,297 GBP
Retailer 13£2,723 GBP
Retailer 18£3,131 GBP
Retailer 4£3,168 GBP
Retailer 16£3,257 GBP
Retailer 14£3,759 GBP
Retailer 8£4,888 GBP
Retailer 7£5,330 GBP
Retailer 12£5,637 GBP
Retailer 9£5,875 GBP
Retailer 15£6,205 GBP
Retailer 2£8,553 GBP
Do Amore Diamonds£12,382 GBP

38 data points across 18 retailers

18 retailers£1,782 GBP to £12,382 GBP

A
Cheapest Retailer
-
£1,782 GBP
$2,388 USD
A
Retailer 2
-
£1,958 GBP
$2,624 USD
View
A
Retailer 3
-
£2,078 GBP
$2,784 USD
View
Final sale: no returns
A
Retailer 4
-
£2,097 GBP
$2,810 USD
View
A
Retailer 5
-
£2,209 GBP
$2,960 USD
View
A
Retailer 6
-
£2,297 GBP
$3,078 USD
View
A
Retailer 7
-
£2,723 GBP
View
A
Retailer 8
-
£3,131 GBP
$4,195 USD
View
A
Retailer 9
-
£3,168 GBP
$4,245 USD
View
A
Retailer 10
-
£3,257 GBP
$4,364 USD
View
A
Retailer 11
-
£3,759 GBP
€4,797 EUR
View
Retailer 12
-
£4,888 GBP
$6,550 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£5,330 GBP
A$10,987 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£5,637 GBP
$7,553 USD
View
Retailer 15
-
£5,875 GBP
A$12,111 AUD
View
Price last confirmed 21 days ago
B+
Retailer 16
-
£6,205 GBP
View
B
Retailer 17
-
£8,553 GBP
$11,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-012ECA7FE · Oct 30
£12,382 GBP
$16,590 USD
View
17 more retailers have this diamond
Prices start from £1,782 GBPSave up to £10,599 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
3.40ct Asscher
£1,782 GBP