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Asscher|Lab Grown|IGI

1.70ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG804668500

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG804668500

Diamond specifications and retailer prices

From £290 GBP
$388 USD
As of October 27, 2026
Save £3,741 GBP (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,030 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.7ct lab-grown asscher diamond

This 1.7ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804668500 or 804668500. Listed at 13 retailers as of October 27, 2026, with prices from £290 to £4,030, a £3,741 spread on the same certified stone. Brilliant Earth lists it at £4,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668500
Dimensions6.71 × 6.71 × 4.18 mm
L/W Ratio1.00
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
6.71 mm6.71 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668500
Side View
Table 66.0%Crown 33.5°Girdle: MediumPavilion 39.4°Culet: NoneDepth 62.3%

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: Oct 27
Current: £4,030 GBP|Low: £325 GBP|High: £4,896 GBP|Avg: £1,612 GBP|-3.1%
Brilliant Earth
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
Retailer 15
October 30, 2026
Retailer 14£325 GBP
Retailer 2£410 GBP
Retailer 11£558 GBP
Retailer 12£571 GBP
Retailer 4£618 GBP
Retailer 13£958 GBP
Retailer 7£1,145 GBP
Retailer 6£1,164 GBP
Retailer 3£1,178 GBP
Retailer 10£1,243 GBP
Retailer 8£1,429 GBP
Retailer 5£1,979 GBP
Retailer 9£2,508 GBP
Retailer 15£2,776 GBP
Brilliant Earth£4,030 GBP

35 data points across 15 retailers

13 retailers£290 GBP to £4,030 GBP

A
Cheapest Retailer
-
£290 GBP
$388 USD
A
Retailer 2
-
£325 GBP
$435 USD
View
A
Retailer 3
-
£410 GBP
View
A
Retailer 4
-
£558 GBP
$748 USD
View
A
Retailer 5
-
£571 GBP
$765 USD
View
A
Retailer 6
-
£618 GBP
$828 USD
View
Final sale: no returns
B+
Retailer 7
-
£958 GBP
$1,283 USD
View
B+
Retailer 8
-
£1,178 GBP
$1,579 USD
View
B+
Retailer 9
-
£1,243 GBP
$1,666 USD
View
B+
Retailer 10
-
£1,429 GBP
View
B
Retailer 11
-
£2,508 GBP
$3,360 USD
View
Retailer 12
-
£2,776 GBP
$3,720 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21408195Y · Oct 28
£4,030 GBP
$5,400 USD
View
12 more retailers have this diamond
Prices start from £290 GBPSave up to £3,741 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
1.70ct Asscher
£290 GBP