Asscher|Lab Grown|IGI

3.11ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG839630213

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG839630213

Diamond specifications and retailer prices

From £2,232 GBP
$2,990 USD
As of October 31, 2026
Save £6,712 GBP (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £18,245 GBP at Loose Grown Diamond · As of October 23, 2026
View at Loose Grown Diamond

About this 3.11ct lab-grown asscher diamond

This 3.11ct 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 LG839630213 or 839630213. Listed at 8 retailers as of October 31, 2026, with a 301% 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

3.11
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630213
Dimensions8.12 × 7.89 × 5.27 mm
L/W Ratio1.03
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
8.12 mm7.89 mm3.11 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630213
Side View
Table 58.0%Crown 34.2°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 66.8%

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 31
Current: £18,245 GBP|Low: £2,232 GBP|High: £18,245 GBP|Avg: £8,113 GBP
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£2,232 GBP
Retailer 6£2,519 GBP
Retailer 4£2,661 GBP
Retailer 3£3,164 GBP
Retailer 5£5,823 GBP
Retailer 7£8,944 GBP
Loose Grown Diamond£18,245 GBP

3 data points across 7 retailers

8 retailers£2,232 GBP to £8,944 GBP

A
Cheapest Retailer
-
£2,232 GBP
$2,990 USD
A
Retailer 2
-
£2,519 GBP
View
A
Retailer 3
-
£2,661 GBP
$3,566 USD
View
A
Retailer 4
-
£3,164 GBP
$4,239 USD
View
B+
Retailer 5
-
£5,823 GBP
$7,802 USD
View
B
Retailer 6
-
£7,329 GBP
$9,820 USD
View
B
Retailer 7
-
£8,944 GBP
$11,984 USD
View
Most Expensive
Loose Grown Diamond
839630213 · Oct 23
£18,245 GBP
$24,446 USD
View
Price under review
7 more retailers have this diamond
Prices start from £2,232 GBPSave up to £6,712 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
3.11ct Asscher
£2,232 GBP