CaratHunter
Plans
Asscher|Lab Grown|IGI

3.00ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG821641236

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG821641236

Diamond specifications and retailer prices

From £2,589 GBP
$3,469 USD
As of October 31, 2026
Save £10,990 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £13,579 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 3ct lab-grown asscher diamond

This 3ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821641236 or 821641236. Listed at 12 retailers as of October 31, 2026, with prices from £2,589 to £13,579, a £10,990 spread on the same certified stone. With Clarity lists it at £13,579. 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

3.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821641236
Dimensions7.91 × 7.91 × 5.17 mm
L/W Ratio1.00
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
7.91 mm7.91 mm3.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821641236
Side View
Table 61.0%Crown 33°Girdle: MediumPavilion 42.6°Culet: NoneDepth 65.4%

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 31
Current: £3,519 GBP|Low: £2,589 GBP|High: £19,011 GBP|Avg: £6,726 GBP|-25.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 7£2,589 GBP
Retailer 8£2,603 GBP
Retailer 11£3,210 GBP
Retailer 1£3,519 GBP
Retailer 10£3,956 GBP
Retailer 5£4,207 GBP
Retailer 3£4,472 GBP
Retailer 4£6,605 GBP
Retailer 6£6,690 GBP
Retailer 9£6,896 GBP
Retailer 2£9,143 GBP
With Clarity£13,579 GBP

42 data points across 12 retailers

12 retailers£2,589 GBP to £13,579 GBP

A
Cheapest Retailer
-
£2,589 GBP
$3,469 USD
A
Retailer 2
-
£2,603 GBP
$3,488 USD
View
A
Retailer 3
-
£3,210 GBP
HK$33,600 HKD
View
A
Retailer 4
-
£3,519 GBP
View
A
Retailer 5
-
£3,956 GBP
$5,300 USD
View
B+
Retailer 6
-
£4,207 GBP
€5,368 EUR
View
Retailer 7
-
£4,472 GBP
$5,991 USD
View
Price last confirmed 60 days ago
B+
Retailer 8
-
£6,605 GBP
$8,850 USD
View
B+
Retailer 9
-
£6,690 GBP
View
B
Retailer 10
-
£6,896 GBP
$9,240 USD
View
B
Retailer 11
-
£9,143 GBP
$12,250 USD
View
Most Expensive
B
With Clarity
821641236 · Oct 31
£13,579 GBP
$18,194 USD
View
11 more retailers have this diamond
Prices start from £2,589 GBPSave up to £10,990 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
3.00ct Asscher
£2,589 GBP