Asscher|Lab Grown|IGI

3.09ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG710507436

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG710507436

Diamond specifications and retailer prices

From £608 GBP
$809 USD
As of October 29, 2026
Save £3,876 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,483 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710507436 or 710507436. Listed at 8 retailers as of October 29, 2026, with prices from £608 to £4,483, a £3,876 spread on the same certified stone. Brilliant Earth lists it at £4,483. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710507436
Dimensions7.96 × 7.96 × 8.00 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.96 mm7.96 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710507436
Side View
Table 65.0%Crown 35.2°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 67.3%

Caratlytics Score

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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 29
Current: £4,483 GBP|Low: £421 GBP|High: £4,498 GBP|Avg: £1,725 GBP|-0.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3£608 GBP
Retailer 4£762 GBP
Retailer 6£855 GBP
Retailer 2£896 GBP
Retailer 8£1,611 GBP
Retailer 7£2,133 GBP
Retailer 5£2,489 GBP
Brilliant Earth£4,483 GBP

20 data points across 8 retailers

8 retailers£608 GBP to £4,483 GBP

A
Cheapest Retailer
-
£608 GBP
$809 USD
Final sale: no returns
A
Retailer 2
-
£762 GBP
$1,015 USD
View
A
Retailer 3
-
£855 GBP
HK$8,900 HKD
View
A
Retailer 4
-
£896 GBP
$1,193 USD
View
Retailer 5
-
£1,611 GBP
A$3,300 AUD
View
Price last confirmed 22 days ago
Retailer 6
-
£2,133 GBP
$2,840 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
£2,489 GBP
SGD 4,480 SGD
View
Most Expensive
B
Brilliant Earth
14953117Y · Oct 29
£4,483 GBP
$5,970 USD
View
7 more retailers have this diamond
Prices start from £608 GBPSave up to £3,876 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
£608 GBP