Asscher|Lab Grown|IGI

0.59ct D SI1 Asscher Lab Grown Diamond

VG • D/SI1 • IGI LG674555719

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG674555719

Diamond specifications and retailer prices

From £87 GBP
$116 USD
As of October 30, 2026
Save £716 GBP (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £803 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.59ct lab-grown asscher diamond

This 0.59ct lab-grown asscher sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG674555719 or 674555719. Listed at 15 retailers as of October 26, 2026, with prices from £87 to £803, a £716 spread on the same certified stone. MOH London lists it at £803. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.59
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674555719
Dimensions4.62 × 4.55 × 2.95 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.62 mm4.55 mm0.59 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG674555719
Side View
Table 60.0%Crown 42°Girdle: Slightly ThickPavilion 37.3°Culet: NoneDepth 64.8%

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: Oct 30
Current: £803 GBP|Low: £87 GBP|High: £811 GBP|Avg: £256 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£87 GBP
Retailer 9£102 GBP
Retailer 10£131 GBP
Retailer 5£176 GBP
Retailer 4£189 GBP
Retailer 7£209 GBP
Retailer 8£220 GBP
Retailer 6£232 GBP
Retailer 2£261 GBP
Retailer 11£270 GBP
MOH London£803 GBP

43 data points across 11 retailers

15 retailers£87 GBP to £803 GBP

A
Cheapest Retailer
-
£87 GBP
$116 USD
Final sale: no returns
A
Retailer 2
-
£102 GBP
$137 USD
View
A
Retailer 3
-
£115 GBP
HK$1,200 HKD
View
B+
Retailer 4
-
£131 GBP
$175 USD
View
A
Retailer 5
-
£176 GBP
€224 EUR
View
A
Retailer 6
-
£180 GBP
€230 EUR
View
B+
Retailer 7
-
£189 GBP
View
B+
Retailer 8
-
£209 GBP
$280 USD
View
B+
Retailer 9
-
£220 GBP
$295 USD
View
B+
Retailer 10
-
£232 GBP
View
B+
Retailer 11
-
£261 GBP
$350 USD
View
B+
Retailer 12
-
£270 GBP
$362 USD
View
B+
Retailer 13
-
£271 GBP
SGD 491 SGD
View
B
Retailer 14
-
£415 GBP
View
Most Expensive
B
MOH London
LG674555719 · Oct 26
£803 GBP
View
14 more retailers have this diamond
Prices start from £87 GBPSave up to £716 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
0.59ct Asscher
£87 GBP