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Asscher|Lab Grown|IGI

5.09ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG811638304

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG811638304

Diamond specifications and retailer prices

From €11,429 EUR
$12,769 USD
As of October 30, 2026
Save €26,454 EUR (70%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €37,883 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.09ct lab-grown asscher diamond

This 5.09ct lab-grown asscher sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638304 or 811638304. Listed at 21 retailers as of October 30, 2026, with prices from €11,429 to €37,883, a €26,454 spread on the same certified stone. Taylor and Hart lists it at €37,883. 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

5.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638304
Dimensions9.55 × 9.53 × 5.90 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
9.55 mm9.53 mm5.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638304
Side View
Table 66.0%Crown 32.9°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 61.9%

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: €24,920 EUR|Low: €11,429 EUR|High: €51,000 EUR|Avg: €19,136 EUR|-8.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 30, 2026
Retailer 7€11,429 EUR
Retailer 4€11,703 EUR
Retailer 3€12,167 EUR
Retailer 2€12,426 EUR
Retailer 9€12,428 EUR
Retailer 11€12,801 EUR
Retailer 16€12,974 EUR
Retailer 8€13,129 EUR
Retailer 17€13,258 EUR
Retailer 15€15,446 EUR
Retailer 6€18,989 EUR
Retailer 14€19,509 EUR
Retailer 10€23,192 EUR
Retailer 13€24,364 EUR
Retailer 1€24,920 EUR
Retailer 12€26,938 EUR
Taylor and Hart€37,883 EUR
Retailer 5€51,000 EUR

31 data points across 18 retailers

21 retailers€11,429 EUR to €37,883 EUR

A
Cheapest Retailer
-
€11,429 EUR
$12,769 USD
A
Retailer 2
-
€11,703 EUR
$13,075 USD
View
A
Retailer 3
-
€12,167 EUR
$13,593 USD
View
A
Retailer 4
-
€12,426 EUR
$13,882 USD
View
Retailer 5
-
€12,428 EUR
$13,885 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
€12,801 EUR
$14,301 USD
View
Final sale: no returns
A
Retailer 7
-
€12,974 EUR
$14,495 USD
View
A
Retailer 8
-
€13,129 EUR
$14,668 USD
View
A
Retailer 9
-
€13,258 EUR
$14,812 USD
View
Retailer 10
-
€13,426 EUR
$15,000 USD
View
Price last confirmed 15 days ago
A
Retailer 11
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€15,446 EUR
£13,588 GBP
View
A
Retailer 12
-
€18,989 EUR
£16,704 GBP
View
A
Retailer 13
-
€19,509 EUR
£17,162 GBP
View
B+
Retailer 14
-
€23,192 EUR
$25,910 USD
View
B+
Retailer 15
-
€24,364 EUR
View
B+
Retailer 16
-
€24,902 EUR
$27,821 USD
View
B+
Retailer 17
-
€24,920 EUR
$27,841 USD
View
Retailer 18
-
€25,931 EUR
$28,970 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
€26,938 EUR
ZAR 486,190 ZAR
View
Most Expensive
B
Taylor and Hart
VAR5PPX · Oct 31
€37,883 EUR
$42,323 USD
View
19 more retailers have this diamond
Prices start from €11,429 EURSave up to €26,454 EUR

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
5.09ct Asscher
€11,429 EUR