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Asscher|Lab Grown|IGI

1.00ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG836621412

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836621412

Diamond specifications and retailer prices

From £213 GBP
$285 USD
As of October 30, 2026
Save £1,616 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,829 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621412 or 836621412. Listed at 19 retailers as of October 30, 2026, with prices from £213 to £1,829, a £1,616 spread on the same certified stone. Brilliant Earth lists it at £1,829. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621412
Dimensions5.59 × 5.50 × 3.52 mm
L/W Ratio1.02
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
5.59 mm5.50 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621412
Side View
Table 69.0%Crown 34°Girdle: MediumPavilion 42.9°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,829 GBP|Low: £213 GBP|High: £2,045 GBP|Avg: £708 GBP|-10.6%
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 8£213 GBP
Retailer 5£247 GBP
Retailer 6£254 GBP
Retailer 3£263 GBP
Retailer 17£263 GBP
Retailer 18£381 GBP
Retailer 4£425 GBP
Retailer 12£426 GBP
Retailer 16£434 GBP
Retailer 13£453 GBP
Retailer 2£462 GBP
Retailer 15£675 GBP
Retailer 10£814 GBP
Retailer 19£848 GBP
Retailer 7£884 GBP
Retailer 9£952 GBP
Retailer 14£1,058 GBP
Retailer 11£1,102 GBP
Brilliant Earth£1,829 GBP

33 data points across 19 retailers

19 retailers£213 GBP to £1,829 GBP

A
Cheapest Retailer
-
£213 GBP
$285 USD
A
Retailer 2
-
£247 GBP
$331 USD
View
A
Retailer 3
-
£254 GBP
$340 USD
View
Final sale: no returns
A
Retailer 4
-
£263 GBP
$353 USD
View
A
Retailer 5
-
£263 GBP
$353 USD
View
A
Retailer 6
-
£381 GBP
$510 USD
View
A
Retailer 7
-
£425 GBP
$570 USD
View
A
Retailer 8
-
£426 GBP
€543 EUR
View
A
Retailer 9
-
£434 GBP
$582 USD
View
A
Retailer 10
-
£453 GBP
ZAR 9,807 ZAR
View
A
Retailer 11
-
£462 GBP
View
B+
Retailer 12
-
£675 GBP
$905 USD
View
B+
Retailer 13
-
£814 GBP
SGD 1,473 SGD
View
B+
Retailer 14
-
£848 GBP
$1,136 USD
View
B+
Retailer 15
-
£884 GBP
$1,185 USD
View
Retailer 16
-
£952 GBP
$1,275 USD
View
Price last confirmed 13 days ago
B+
Retailer 17
-
£1,058 GBP
View
B+
Retailer 18
-
£1,102 GBP
$1,476 USD
View
Most Expensive
B
Brilliant Earth
21590063A · Oct 30
£1,829 GBP
$2,450 USD
View
18 more retailers have this diamond
Prices start from £213 GBPSave up to £1,616 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
1.00ct Asscher
£213 GBP