Asscher|Lab Grown|IGI

1.09ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG777621399

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG777621399

Diamond specifications and retailer prices

From £166 GBP
$222 USD
As of October 30, 2026
Save £777 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,702 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG777621399 or 777621399. Listed at 21 retailers as of October 30, 2026, with a 469% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777621399
Dimensions5.64 × 5.64 × 5.80 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
5.64 mm5.64 mm1.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777621399
Side View
Table 63.0%Crown 33°Girdle: MediumPavilion 38.4°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £431 GBP|Low: £159 GBP|High: £925 GBP|Avg: £442 GBP|+4.3%
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
October 30, 2026
Retailer 15£166 GBP
Retailer 7£185 GBP
Retailer 5£193 GBP
Retailer 2£205 GBP
Retailer 4£205 GBP
Retailer 8£390 GBP
Retailer 1£431 GBP
Retailer 13£437 GBP
Retailer 6£438 GBP
Retailer 11£512 GBP
Retailer 9£554 GBP
Retailer 14£663 GBP
Retailer 3£729 GBP
Retailer 12£903 GBP
Retailer 10£911 GBP

44 data points across 15 retailers

21 retailers£166 GBP to £943 GBP

A
Cheapest Retailer
-
£166 GBP
$222 USD
A
Retailer 2
-
£185 GBP
$248 USD
View
Final sale: no returns
A
Retailer 3
-
£193 GBP
$258 USD
View
A
Retailer 4
-
£205 GBP
$275 USD
View
A
Retailer 5
-
£205 GBP
$275 USD
View
A
Retailer 6
-
£231 GBP
$309 USD
View
A
Retailer 7
-
£276 GBP
$370 USD
View
B+
Retailer 8
-
£390 GBP
ZAR 8,439 ZAR
View
B+
Retailer 9
-
£431 GBP
View
Retailer 10
-
£437 GBP
$585 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£438 GBP
$587 USD
View
B+
Retailer 12
-
£512 GBP
A$1,056 AUD
View
B+
Retailer 13
-
£554 GBP
A$1,141 AUD
View
B
Retailer 14
-
£663 GBP
$889 USD
View
B
Retailer 15
-
£729 GBP
$977 USD
View
B
Retailer 16
-
£857 GBP
$1,148 USD
View
Retailer 17
-
£903 GBP
$1,210 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
£911 GBP
View
B
Retailer 19
-
£943 GBP
$1,264 USD
View
Retailer 20
-
£1,590 GBP
$2,130 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-777621399 · Oct 29
£1,702 GBP
$2,280 USD
View
Price under review
20 more retailers have this diamond
Prices start from £166 GBPSave up to £777 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
1.09ct Asscher
£166 GBP