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Asscher|Lab Grown|IGI

1.77ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG836620970

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836620970

Diamond specifications and retailer prices

From £340 GBP
$456 USD
As of October 27, 2026
Save £3,876 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,217 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.77ct lab-grown asscher diamond

This 1.77ct 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 LG836620970 or 836620970. Listed at 21 retailers as of October 27, 2026, with prices from £340 to £4,217, a £3,876 spread on the same certified stone. Brilliant Earth lists it at £4,217. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620970
Dimensions6.79 × 6.78 × 4.32 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
6.79 mm6.78 mm1.77 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620970
Side View
Table 63.0%Crown 36.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.7%

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: £4,217 GBP|Low: £340 GBP|High: £4,239 GBP|Avg: £1,464 GBP|-0.5%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 10£340 GBP
Retailer 6£381 GBP
Retailer 20£422 GBP
Retailer 7£494 GBP
Retailer 16£526 GBP
Retailer 19£660 GBP
Retailer 2£698 GBP
Retailer 15£724 GBP
Retailer 13£868 GBP
Retailer 18£976 GBP
Retailer 4£1,042 GBP
Retailer 3£1,355 GBP
Retailer 5£1,379 GBP
Retailer 17£1,470 GBP
Retailer 14£1,556 GBP
Retailer 12£1,706 GBP
Retailer 8£1,797 GBP
Retailer 9£1,888 GBP
Retailer 11£2,914 GBP
Brilliant Earth£4,217 GBP

27 data points across 20 retailers

21 retailers£340 GBP to £4,217 GBP

A
Cheapest Retailer
-
£340 GBP
$456 USD
A
Retailer 2
-
£381 GBP
$510 USD
View
A
Retailer 3
-
£422 GBP
$565 USD
View
A
Retailer 4
-
£494 GBP
$662 USD
View
Final sale: no returns
A
Retailer 5
-
£526 GBP
$705 USD
View
Retailer 6
-
£549 GBP
$736 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
£660 GBP
$884 USD
View
A
Retailer 8
-
£698 GBP
View
A
Retailer 9
-
£724 GBP
ZAR 15,681 ZAR
View
A
Retailer 10
-
£868 GBP
€1,108 EUR
View
B+
Retailer 11
-
£976 GBP
$1,308 USD
View
B+
Retailer 12
-
£1,042 GBP
$1,396 USD
View
B+
Retailer 13
-
£1,355 GBP
$1,816 USD
View
B+
Retailer 14
-
£1,379 GBP
$1,847 USD
View
B+
Retailer 15
-
£1,470 GBP
$1,970 USD
View
B+
Retailer 16
-
£1,556 GBP
View
Retailer 17
-
£1,706 GBP
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£1,797 GBP
SGD 3,254 SGD
View
B+
Retailer 19
-
£1,888 GBP
$2,530 USD
View
Retailer 20
-
£2,914 GBP
$3,905 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21590101A · Oct 28
£4,217 GBP
$5,650 USD
View
20 more retailers have this diamond
Prices start from £340 GBPSave up to £3,876 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
1.77ct Asscher
£340 GBP