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Asscher|Lab Grown|IGI

3.09ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG837647179

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837647179

Diamond specifications and retailer prices

From £1,783 GBP
$2,375 USD
As of October 27, 2026
Save £10,487 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £12,270 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown asscher diamond

This 3.09ct 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 LG837647179 or 837647179. Listed at 17 retailers as of October 27, 2026, with prices from £1,783 to £12,270, a £10,487 spread on the same certified stone. Do Amore Diamonds lists it at £12,270. 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

3.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837647179
Dimensions8.35 × 8.04 × 5.16 mm
L/W Ratio1.04
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
8.35 mm8.04 mm3.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837647179
Side View
Table 58.0%Crown 32.4°Girdle: Slightly ThickPavilion 38°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 27
Current: £12,270 GBP|Low: £1,783 GBP|High: £14,294 GBP|Avg: £4,839 GBP|-5.4%
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 14£1,783 GBP
Retailer 4£1,940 GBP
Retailer 6£1,993 GBP
Retailer 16£2,072 GBP
Retailer 18£2,193 GBP
Retailer 11£2,717 GBP
Retailer 17£3,102 GBP
Retailer 3£3,140 GBP
Retailer 15£3,227 GBP
Retailer 12£3,849 GBP
Retailer 7£4,866 GBP
Retailer 2£5,622 GBP
Retailer 13£6,147 GBP
Retailer 9£6,809 GBP
Retailer 5£6,835 GBP
Retailer 8£9,777 GBP
Retailer 10£10,554 GBP
Do Amore Diamonds£12,270 GBP

27 data points across 18 retailers

17 retailers£1,783 GBP to £12,270 GBP

A
Cheapest Retailer
-
£1,783 GBP
$2,375 USD
A
Retailer 2
-
£1,940 GBP
$2,584 USD
View
A
Retailer 3
-
£1,993 GBP
$2,654 USD
View
A
Retailer 4
-
£2,072 GBP
$2,759 USD
View
A
Retailer 5
-
£2,193 GBP
$2,920 USD
View
A
Retailer 6
-
£2,717 GBP
View
A
Retailer 7
-
£3,102 GBP
$4,131 USD
View
A
Retailer 8
-
£3,140 GBP
$4,181 USD
View
A
Retailer 9
-
£3,227 GBP
$4,297 USD
View
A
Retailer 10
-
£3,849 GBP
€4,881 EUR
View
Retailer 11
-
£4,866 GBP
$6,480 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
£5,622 GBP
$7,487 USD
View
B+
Retailer 13
-
£6,147 GBP
View
Retailer 14
-
£6,809 GBP
$9,068 USD
View
Price last confirmed 15 days ago
B
Retailer 15
-
£6,835 GBP
$9,102 USD
View
B
Retailer 16
-
£9,777 GBP
$13,020 USD
View
Most Expensive
B
Do Amore Diamonds
27-3DE8CD801 · Oct 29
£12,270 GBP
$16,340 USD
View
16 more retailers have this diamond
Prices start from £1,783 GBPSave up to £10,487 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
3.09ct Asscher
£1,783 GBP