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Asscher|Lab Grown|IGI

1.01ct D SI1 Asscher Lab Grown Diamond

EX • D/SI1 • IGI LG687546264

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687546264

Diamond specifications and retailer prices

From £148 GBP
As of November 1, 2026
Save £688 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £835 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.01ct lab-grown asscher diamond

This 1.01ct 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 LG687546264 or 687546264. Listed at 12 retailers as of November 1, 2026, with prices from £148 to £835, a £688 spread on the same certified stone. Reve Diamonds lists it at £835. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687546264
Dimensions5.56 × 5.52 × 3.71 mm
L/W Ratio1.01
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
5.56 mm5.52 mm1.01 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687546264
Side View
Table 65.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.2%

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: Nov 1
Current: £292 GBP|Low: £146 GBP|High: £835 GBP|Avg: £420 GBP|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 5, 2026
Retailer 9£148 GBP
Retailer 11£164 GBP
Retailer 1£292 GBP
Retailer 10£292 GBP
Retailer 7£311 GBP
Retailer 6£317 GBP
Retailer 8£343 GBP
Retailer 5£438 GBP
Retailer 3£528 GBP
Retailer 2£568 GBP
Retailer 4£766 GBP
Reve Diamonds£835 GBP

44 data points across 12 retailers

12 retailers£148 GBP to £835 GBP

A
Cheapest Retailer
-
£148 GBP
Final sale: no returns
Retailer 2
-
£164 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£292 GBP
View
B+
Retailer 4
-
£292 GBP
View
B+
Retailer 5
-
£311 GBP
View
Retailer 6
-
£317 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£343 GBP
View
B
Retailer 8
-
£438 GBP
View
B
Retailer 9
-
£528 GBP
View
B
Retailer 10
-
£568 GBP
View
B
Retailer 11
-
£766 GBP
View
Most Expensive
B
Reve Diamonds
319BB2872 · Nov 4
£835 GBP
$1,124 USD
View
11 more retailers have this diamond
Prices start from £148 GBPSave up to £688 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
1.01ct Asscher
£148 GBP