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Asscher|Lab Grown|IGI

5.09ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG762545027

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG762545027

Diamond specifications and retailer prices

From £7,340 GBP
$9,835 USD
As of October 31, 2026
Save £23,799 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £31,139 GBP 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545027 or 762545027. Listed at 14 retailers as of October 30, 2026, with prices from £7,340 to £31,139, a £23,799 spread on the same certified stone. Taylor and Hart lists it at £31,139. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545027
Dimensions9.44 × 9.43 × 6.07 mm
L/W Ratio1.00
Culet sizePointed
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
9.44 mm9.43 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545027
Side View
Table 62.0%Crown 34.1°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £21,989 GBP|Low: £7,340 GBP|High: £38,444 GBP|Avg: £18,658 GBP|-20.0%
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
Taylor and Hart
October 29, 2026
Retailer 2£7,340 GBP
Retailer 12£8,506 GBP
Retailer 10£9,217 GBP
Retailer 6£9,928 GBP
Retailer 11£10,458 GBP
Retailer 9£12,605 GBP
Retailer 8£15,925 GBP
Retailer 3£17,932 GBP
Retailer 7£18,351 GBP
Retailer 5£19,069 GBP
Retailer 13£20,298 GBP
Retailer 1£21,989 GBP
Retailer 4£22,226 GBP
Retailer 14£30,087 GBP
Taylor and Hart£31,139 GBP

32 data points across 15 retailers

14 retailers£7,340 GBP to £31,139 GBP

A
Cheapest Retailer
-
£7,340 GBP
$9,835 USD
A
Retailer 2
-
£8,506 GBP
$11,397 USD
View
Retailer 3
-
£9,217 GBP
$12,350 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
£10,458 GBP
$14,013 USD
View
A
Retailer 5
-
£12,605 GBP
View
B+
Retailer 6
-
£15,925 GBP
View
B+
Retailer 7
-
£17,932 GBP
$24,027 USD
View
B+
Retailer 8
-
£18,351 GBP
€23,418 EUR
View
B+
Retailer 9
-
£19,069 GBP
$25,550 USD
View
B+
Retailer 10
-
£20,298 GBP
$27,197 USD
View
B+
Retailer 11
-
£21,989 GBP
ZAR 475,966 ZAR
View
Retailer 12
-
£22,226 GBP
A$45,815 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
£30,087 GBP
$40,313 USD
View
Most Expensive
B
Taylor and Hart
KW2RLB7 · Oct 30
£31,139 GBP
$41,723 USD
View
13 more retailers have this diamond
Prices start from £7,340 GBPSave up to £23,799 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
5.09ct Asscher
£7,340 GBP