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Asscher|Lab Grown|IGI

1.02ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG689560246

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG689560246

Diamond specifications and retailer prices

From £132 GBP
As of November 4, 2026
Save £702 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £834 GBP at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.02ct lab-grown asscher diamond

This 1.02ct 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 LG689560246 or 689560246. Listed at 18 retailers as of November 4, 2026, with prices from £132 to £834, a £702 spread on the same certified stone. Reve Diamonds lists it at £834. 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

1.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle44.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560246
Dimensions5.57 × 5.48 × 3.70 mm
L/W Ratio1.02
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
5.57 mm5.48 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560246
Side View
Table 63.0%Crown 37°Girdle: MediumPavilion 44.4°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £291 GBP|Low: £126 GBP|High: £834 GBP|Avg: £373 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
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 15£132 GBP
Retailer 6£148 GBP
Retailer 13£153 GBP
Retailer 4£164 GBP
Retailer 5£164 GBP
Retailer 1£291 GBP
Retailer 3£291 GBP
Retailer 12£311 GBP
Retailer 11£316 GBP
Retailer 2£343 GBP
Retailer 14£375 GBP
Retailer 16£527 GBP
Retailer 10£556 GBP
Retailer 8£557 GBP
Retailer 7£567 GBP
Retailer 9£764 GBP
Reve Diamonds£834 GBP

46 data points across 17 retailers

18 retailers£132 GBP to £834 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£148 GBP
View
Final sale: no returns
A
Retailer 3
-
£153 GBP
View
A
Retailer 4
-
£164 GBP
View
Retailer 5
-
£164 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£291 GBP
View
B+
Retailer 7
-
£291 GBP
View
B+
Retailer 8
-
£311 GBP
View
Retailer 9
-
£316 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£343 GBP
View
B
Retailer 11
-
£375 GBP
View
B
Retailer 12
-
£439 GBP
View
B
Retailer 13
-
£527 GBP
View
B
Retailer 14
-
£556 GBP
View
B
Retailer 15
-
£557 GBP
View
B
Retailer 16
-
£567 GBP
View
B
Retailer 17
-
£764 GBP
View
Most Expensive
B
Reve Diamonds
AB8C05C45 · Nov 6
£834 GBP
$1,123 USD
View
17 more retailers have this diamond
Prices start from £132 GBPSave up to £702 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
1.02ct Asscher
£132 GBP