Asscher|Lab Grown|IGI

1.09ct H VS1 Asscher Lab Grown Diamond

ID • H/VS1 • IGI LG589399510

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG589399510

Diamond specifications and retailer prices

From £188 GBP
$252 USD
As of November 3, 2026
Save £762 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £950 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG589399510 or 589399510. Listed at 17 retailers as of November 1, 2026, with prices from £188 to £950, a £762 spread on the same certified stone. Reve Diamonds lists it at £950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589399510
Dimensions5.50 × 5.47 × 3.79 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.50 mm5.47 mm1.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589399510
Side View
Table 69.0%Crown 38.8°Girdle: ThickPavilion 39.6°Culet: NoneDepth 69.3%

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: Nov 3
Current: £510 GBP|Low: £188 GBP|High: £950 GBP|Avg: £468 GBP|+2.1%
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
Reve Diamonds
November 2, 2026
Retailer 5£188 GBP
Retailer 2£209 GBP
Retailer 8£261 GBP
Retailer 13£294 GBP
Retailer 12£349 GBP
Retailer 3£354 GBP
Retailer 9£360 GBP
Retailer 6£371 GBP
Retailer 14£419 GBP
Retailer 4£440 GBP
Retailer 1£510 GBP
Retailer 7£551 GBP
Retailer 11£559 GBP
Retailer 10£835 GBP
Reve Diamonds£950 GBP

31 data points across 15 retailers

17 retailers£188 GBP to £950 GBP

A
Cheapest Retailer
-
£188 GBP
$252 USD
Final sale: no returns
Retailer 2
-
£209 GBP
$280 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£261 GBP
View
A
Retailer 4
-
£294 GBP
$394 USD
View
A
Retailer 5
-
£349 GBP
€446 EUR
View
A
Retailer 6
-
£354 GBP
$475 USD
View
A
Retailer 7
-
£360 GBP
ZAR 7,799 ZAR
View
Retailer 8
-
£371 GBP
$498 USD
View
Price last confirmed 44 days ago
Retailer 9
-
£419 GBP
View
Price last confirmed 18 days ago
B+
Retailer 10
-
£440 GBP
$591 USD
View
B+
Retailer 11
-
£510 GBP
A$1,052 AUD
View
B+
Retailer 12
-
£539 GBP
View
B+
Retailer 13
-
£551 GBP
$740 USD
View
B+
Retailer 14
-
£559 GBP
$750 USD
View
B
Retailer 15
-
£709 GBP
$951 USD
View
B
Retailer 16
-
£835 GBP
View
Most Expensive
B
Reve Diamonds
4244630C0 · Nov 1
£950 GBP
$1,275 USD
View
16 more retailers have this diamond
Prices start from £188 GBPSave up to £762 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
£188 GBP