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Asscher|Lab Grown|IGI

3.12ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG726551197

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG726551197

Diamond specifications and retailer prices

From £2,434 GBP
$3,261 USD
As of October 30, 2026
Save £12,406 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £18,472 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown asscher diamond

This 3.12ct 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 LG726551197 or 726551197. Listed at 23 retailers as of October 29, 2026, with a 510% 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

3.12
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726551197
Dimensions8.22 × 8.05 × 5.30 mm
L/W Ratio1.02
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
8.22 mm8.05 mm3.12 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726551197
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.8%

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 30
Current: £18,472 GBP|Low: £2,434 GBP|High: £18,926 GBP|Avg: £6,802 GBP
Do Amore Diamonds
Retailer 2
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Retailer 23
October 30, 2026
Retailer 3£2,434 GBP
Retailer 20£2,685 GBP
Retailer 14£2,921 GBP
Retailer 12£3,007 GBP
Retailer 10£3,057 GBP
Retailer 5£3,114 GBP
Retailer 6£3,228 GBP
Retailer 2£4,103 GBP
Retailer 23£4,212 GBP
Retailer 7£4,296 GBP
Retailer 13£4,512 GBP
Retailer 4£4,823 GBP
Retailer 22£4,830 GBP
Retailer 18£7,404 GBP
Retailer 9£7,868 GBP
Retailer 17£7,982 GBP
Retailer 19£8,919 GBP
Retailer 8£8,992 GBP
Retailer 16£10,026 GBP
Retailer 15£11,707 GBP
Retailer 11£12,193 GBP
Retailer 21£14,840 GBP
Do Amore Diamonds£18,472 GBP

7 data points across 23 retailers

23 retailers£2,434 GBP to £14,840 GBP

A
Cheapest Retailer
-
£2,434 GBP
$3,261 USD
A
Retailer 2
-
£2,685 GBP
$3,598 USD
View
A
Retailer 3
-
£2,921 GBP
$3,914 USD
View
A
Retailer 4
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£3,007 GBP
$4,029 USD
View
Final sale: no returns
A
Retailer 5
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£3,057 GBP
$4,096 USD
View
A
Retailer 6
-
£3,114 GBP
$4,173 USD
View
A
Retailer 7
-
£3,228 GBP
$4,325 USD
View
B+
Retailer 8
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£4,103 GBP
View
B+
Retailer 9
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£4,212 GBP
$5,643 USD
View
B+
Retailer 10
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£4,296 GBP
$5,756 USD
View
B+
Retailer 11
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£4,512 GBP
View
B+
Retailer 12
-
£4,823 GBP
View
B+
Retailer 13
-
£4,830 GBP
$6,471 USD
View
B
Retailer 14
-
£7,404 GBP
View
B
Retailer 15
-
£7,868 GBP
$10,542 USD
View
B
Retailer 16
-
£7,982 GBP
ZAR 172,769 ZAR
View
B
Retailer 17
-
£8,919 GBP
$11,950 USD
View
B
Retailer 18
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£8,992 GBP
$12,049 USD
View
B
Retailer 19
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£10,026 GBP
$13,434 USD
View
B
Retailer 20
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£11,707 GBP
$15,686 USD
View
B
Retailer 21
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£12,193 GBP
$16,337 USD
View
B
Retailer 22
-
£14,840 GBP
$19,884 USD
View
Most Expensive
Do Amore Diamonds
27-548A999A1 · Oct 29
£18,472 GBP
$24,750 USD
View
Price under review
22 more retailers have this diamond
Prices start from £2,434 GBPSave up to £12,406 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
3.12ct Asscher
£2,434 GBP