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Asscher|Lab Grown|IGI

1.37ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG837680644

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837680644

Diamond specifications and retailer prices

From £184 GBP
$247 USD
As of November 2, 2026
Save £2,573 GBP (93%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,757 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837680644 or 837680644. Listed at 9 retailers as of October 26, 2026, with prices from £184 to £2,757, a £2,573 spread on the same certified stone. Brilliant Earth lists it at £2,757. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680644
Dimensions6.21 × 6.21 × 3.99 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
6.21 mm6.21 mm1.37 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680644
Side View
Table 58.0%Crown 31.2°Girdle: MediumPavilion 43.6°CuletDepth 64.3%

Caratlytics Score

How it works →
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: Nov 2
Current: £2,757 GBP|Low: £176 GBP|High: £2,847 GBP|Avg: £944 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6£184 GBP
Retailer 4£380 GBP
Retailer 8£412 GBP
Retailer 5£556 GBP
Retailer 3£735 GBP
Retailer 2£737 GBP
Retailer 7£874 GBP
Brilliant Earth£2,757 GBP

24 data points across 8 retailers

9 retailers£184 GBP to £2,757 GBP

A
Cheapest Retailer
-
£184 GBP
$247 USD
Retailer 2
-
£214 GBP
$287 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£380 GBP
$510 USD
View
Price last confirmed 5 days ago
Retailer 4
-
£412 GBP
€527 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
£556 GBP
A$1,148 AUD
View
B+
Retailer 6
-
£735 GBP
$986 USD
View
B+
Retailer 7
-
£737 GBP
$989 USD
View
B+
Retailer 8
-
£874 GBP
View
Most Expensive
B
Brilliant Earth
21566876A · Oct 26
£2,757 GBP
$3,700 USD
View
8 more retailers have this diamond
Prices start from £184 GBPSave up to £2,573 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
1.37ct Asscher
£184 GBP