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Asscher|Lab Grown|IGI

4.15ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG816608275

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG816608275

Diamond specifications and retailer prices

From £3,684 GBP
$4,936 USD
As of October 30, 2026
Save £21,661 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £25,345 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.15ct lab-grown asscher diamond

This 4.15ct 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 LG816608275 or 816608275. Listed at 12 retailers as of October 30, 2026, with prices from £3,684 to £25,345, a £21,661 spread on the same certified stone. Do Amore Diamonds lists it at £25,345. 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

4.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608275
Dimensions9.15 × 8.93 × 5.73 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
9.15 mm8.93 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608275
Side View
Table 61.0%Crown 30°Girdle: Slightly ThickPavilion 39.6°Culet: NoneDepth 64.2%

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: £25,345 GBP|Low: £3,365 GBP|High: £31,368 GBP|Avg: £11,021 GBP|-19.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£3,684 GBP
Retailer 7£3,920 GBP
Retailer 2£4,291 GBP
Retailer 13£5,115 GBP
Retailer 6£5,359 GBP
Retailer 12£6,039 GBP
Retailer 3£6,478 GBP
Retailer 10£7,481 GBP
Retailer 11£8,815 GBP
Retailer 8£10,613 GBP
Retailer 5£15,220 GBP
Do Amore Diamonds£25,345 GBP
Retailer 4£29,387 GBP

27 data points across 13 retailers

12 retailers£3,684 GBP to £25,345 GBP

A
Cheapest Retailer
-
£3,684 GBP
$4,936 USD
A
Retailer 2
-
£3,920 GBP
$5,252 USD
View
A
Retailer 3
-
£4,291 GBP
$5,750 USD
View
A
Retailer 4
-
£5,115 GBP
$6,854 USD
View
A
Retailer 5
-
£5,359 GBP
$7,180 USD
View
A
Retailer 6
-
£6,039 GBP
$8,091 USD
View
Retailer 7
-
£6,478 GBP
$8,680 USD
View
Price last confirmed 12 days ago
Retailer 8
-
£6,757 GBP
$9,054 USD
View
Price last confirmed 52 days ago
B+
Retailer 9
-
£7,481 GBP
€9,546 EUR
View
B+
Retailer 10
-
£8,815 GBP
View
B+
Retailer 11
-
£10,613 GBP
$14,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-9ECD51D39 · Oct 31
£25,345 GBP
$33,960 USD
View
11 more retailers have this diamond
Prices start from £3,684 GBPSave up to £21,661 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
4.15ct Asscher
£3,684 GBP