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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG536291410

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG536291410

Diamond specifications and retailer prices

From £116 GBP
$155 USD
As of October 27, 2026
Save £668 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £783 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536291410 or 536291410. Listed at 18 retailers as of October 27, 2026, with prices from £116 to £783, a £668 spread on the same certified stone. Reve Diamonds lists it at £783. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536291410
Dimensions5.53 × 5.53 × 3.45 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
5.53 mm5.53 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536291410
Side View
Table 68.0%Crown 26.7°Girdle: ThickPavilion 37.8°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £129 GBP|Low: £128 GBP|High: £783 GBP|Avg: £331 GBP|-22.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Reve Diamonds
October 30, 2026
Retailer 1£129 GBP
Retailer 13£134 GBP
Retailer 14£143 GBP
Retailer 10£162 GBP
Retailer 5£194 GBP
Retailer 7£251 GBP
Retailer 8£270 GBP
Retailer 9£272 GBP
Retailer 4£325 GBP
Retailer 12£369 GBP
Retailer 6£394 GBP
Retailer 3£460 GBP
Retailer 2£502 GBP
Retailer 11£674 GBP
Reve Diamonds£783 GBP

44 data points across 15 retailers

18 retailers£116 GBP to £783 GBP

A
Cheapest Retailer
-
£116 GBP
$155 USD
A
Retailer 2
-
£129 GBP
$173 USD
View
Final sale: no returns
A
Retailer 3
-
£134 GBP
$180 USD
View
A
Retailer 4
-
£143 GBP
$192 USD
View
A
Retailer 5
-
£143 GBP
$192 USD
View
A
Retailer 6
-
£162 GBP
HK$1,700 HKD
View
B+
Retailer 7
-
£194 GBP
$260 USD
View
A
Retailer 8
-
£251 GBP
View
A
Retailer 9
-
£270 GBP
€345 EUR
View
A
Retailer 10
-
£272 GBP
View
B+
Retailer 11
-
£325 GBP
$435 USD
View
B
Retailer 12
-
£369 GBP
$494 USD
View
B+
Retailer 13
-
£394 GBP
SGD 713 SGD
View
B
Retailer 14
-
£460 GBP
$617 USD
View
B
Retailer 15
-
£502 GBP
$672 USD
View
B
Retailer 16
-
£542 GBP
View
Retailer 17
-
£674 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Reve Diamonds
ACC859AD7 · Oct 30
£783 GBP
$1,050 USD
View
17 more retailers have this diamond
Prices start from £116 GBPSave up to £668 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
1.00ct Asscher
£116 GBP