Asscher|Lab Grown|IGI

1.37ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840634933

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634933

Diamond specifications and retailer prices

From £853 GBP
$1,143 USD
As of October 30, 2026
Save £2,229 GBP (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,082 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.37ct lab-grown asscher diamond

This 1.37ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634933 or 840634933. Listed at 16 retailers as of October 30, 2026, with prices from £853 to £3,082, a £2,229 spread on the same certified stone. Taylor and Hart lists it at £3,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634933
Dimensions6.27 × 6.24 × 4.00 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.27 mm6.24 mm1.37 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634933
Side View
Table 64.0%Crown 34°Girdle: MediumPavilion 40.3°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,274 GBP|Low: £853 GBP|High: £3,082 GBP|Avg: £1,870 GBP|-3.1%
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
Taylor and Hart
October 31, 2026
Retailer 13£853 GBP
Retailer 12£910 GBP
Retailer 8£975 GBP
Retailer 14£1,015 GBP
Retailer 1£1,274 GBP
Retailer 4£1,409 GBP
Retailer 9£1,410 GBP
Retailer 11£1,624 GBP
Retailer 7£1,685 GBP
Retailer 2£2,082 GBP
Retailer 3£2,434 GBP
Retailer 6£2,717 GBP
Retailer 5£2,965 GBP
Retailer 10£3,012 GBP
Taylor and Hart£3,082 GBP

15 data points across 15 retailers

16 retailers£853 GBP to £3,082 GBP

B+
Cheapest Retailer
-
£853 GBP
$1,143 USD
Final sale: no returns
B+
Retailer 2
-
£910 GBP
$1,219 USD
View
B+
Retailer 3
-
£975 GBP
View
B+
Retailer 4
-
£1,015 GBP
$1,360 USD
View
B+
Retailer 5
-
£1,274 GBP
View
B
Retailer 6
-
£1,409 GBP
$1,888 USD
View
B+
Retailer 7
-
£1,410 GBP
€1,799 EUR
View
B+
Retailer 8
-
£1,624 GBP
ZAR 35,156 ZAR
View
B+
Retailer 9
-
£1,685 GBP
$2,258 USD
View
Retailer 10
-
£2,082 GBP
$2,790 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£2,434 GBP
View
B
Retailer 12
-
£2,717 GBP
$3,640 USD
View
B
Retailer 13
-
£2,965 GBP
SGD 5,368 SGD
View
B
Retailer 14
-
£3,012 GBP
View
B
Retailer 15
-
£3,075 GBP
$4,120 USD
View
Most Expensive
B
Taylor and Hart
O651UK8 · Oct 30
£3,082 GBP
$4,129 USD
View
15 more retailers have this diamond
Prices start from £853 GBPSave up to £2,229 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.

B+
1.37ct Asscher
£853 GBP