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 $12,769 USD
As of October 30, 2026
Save $29,554 USD (70%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $42,323 USD at Taylor and Hart · As of October 30, 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 $12,769 to $42,323, a $29,554 spread on the same certified stone. Taylor and Hart lists it at $42,323. 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: $27,841 USD|Low: $12,769 USD|High: $56,977 USD|Avg: $21,379 USD|-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$12,769 USD
Retailer 4$13,075 USD
Retailer 3$13,593 USD
Retailer 2$13,882 USD
Retailer 9$13,885 USD
Retailer 11$14,301 USD
Retailer 16$14,495 USD
Retailer 8$14,668 USD
Retailer 17$14,812 USD
Retailer 15$17,256 USD
Retailer 6$21,214 USD
Retailer 14$21,796 USD
Retailer 10$25,910 USD
Retailer 13$27,219 USD
Retailer 1$27,841 USD
Retailer 12$30,095 USD
Taylor and Hart$42,323 USD
Retailer 5$56,977 USD

31 data points across 18 retailers

21 retailers$12,769 USD to $42,323 USD

A
Cheapest Retailer
-
$12,769 USD
A
Retailer 2
-
$13,075 USD
View
A
Retailer 3
-
$13,593 USD
View
A
Retailer 4
-
$13,882 USD
View
Retailer 5
-
$13,885 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$14,301 USD
View
Final sale: no returns
A
Retailer 7
-
$14,495 USD
View
A
Retailer 8
-
$14,668 USD
View
A
Retailer 9
-
$14,812 USD
View
Retailer 10
-
$15,000 USD
View
Price last confirmed 15 days ago
A
Retailer 11
-
$17,256 USD
£13,588 GBP
View
A
Retailer 12
-
$21,214 USD
£16,704 GBP
View
A
Retailer 13
-
$21,796 USD
£17,162 GBP
View
B+
Retailer 14
-
$25,910 USD
View
B+
Retailer 15
-
$27,219 USD
€25,923 EUR
View
B+
Retailer 16
-
$27,821 USD
View
B+
Retailer 17
-
$27,841 USD
View
Retailer 18
-
$28,970 USD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$30,095 USD
ZAR 486,190 ZAR
View
Most Expensive
B
Taylor and Hart
VAR5PPX · Oct 30
$42,323 USD
View
19 more retailers have this diamond
Prices start from $12,769 USDSave up to $29,554 USD

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
$12,769 USD