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Round|Lab Grown|IGI

1.37ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG799643633

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799643633

Diamond specifications and retailer prices

From £200 GBP
$268 USD
As of October 29, 2026
Save £1,330 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,530 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799643633 or 799643633. Listed at 22 retailers as of October 29, 2026, with prices from £200 to £1,530, a £1,330 spread on the same certified stone. Brilliant Earth lists it at £1,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643633
Dimensions7.14 × 7.08 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.14 mm7.08 mm1.37 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643633
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £1,530 GBP|Low: £200 GBP|High: £1,530 GBP|Avg: £617 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 5£200 GBP
Retailer 6£224 GBP
Retailer 18£232 GBP
Retailer 10£249 GBP
Retailer 17£249 GBP
Retailer 16£388 GBP
Retailer 14£409 GBP
Retailer 20£413 GBP
Retailer 15£426 GBP
Retailer 9£440 GBP
Retailer 2£475 GBP
Retailer 4£611 GBP
Retailer 19£657 GBP
Retailer 3£763 GBP
Retailer 11£798 GBP
Retailer 8£799 GBP
Retailer 7£836 GBP
Retailer 13£1,000 GBP
Retailer 12£1,108 GBP
Brilliant Earth£1,530 GBP

27 data points across 20 retailers

22 retailers£200 GBP to £1,530 GBP

A+
Cheapest Retailer
-
£200 GBP
$268 USD
A
Retailer 2
-
£224 GBP
$300 USD
View
Final sale: no returns
A
Retailer 3
-
£232 GBP
$311 USD
View
A
Retailer 4
-
£249 GBP
$333 USD
View
A
Retailer 5
-
£249 GBP
$333 USD
View
Retailer 6
-
£269 GBP
$361 USD
View
Price last confirmed 60 days ago
A
Retailer 7
-
£388 GBP
$520 USD
View
A
Retailer 8
-
£409 GBP
€522 EUR
View
A
Retailer 9
-
£413 GBP
$553 USD
View
A
Retailer 10
-
£426 GBP
ZAR 9,232 ZAR
View
A
Retailer 11
-
£440 GBP
$589 USD
View
A
Retailer 12
-
£475 GBP
View
A
Retailer 13
-
£611 GBP
$819 USD
View
A
Retailer 14
-
£657 GBP
$880 USD
View
B+
Retailer 15
-
£763 GBP
$1,022 USD
View
B+
Retailer 16
-
£798 GBP
$1,069 USD
View
B+
Retailer 17
-
£799 GBP
SGD 1,446 SGD
View
B+
Retailer 18
-
£836 GBP
$1,120 USD
View
B+
Retailer 19
-
£1,000 GBP
View
B+
Retailer 20
-
£1,108 GBP
$1,485 USD
View
B
Retailer 21
-
£1,116 GBP
$1,495 USD
View
Most Expensive
B
Brilliant Earth
21420393A · Oct 29
£1,530 GBP
$2,050 USD
View
21 more retailers have this diamond
Prices start from £200 GBPSave up to £1,330 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 Round
£200 GBP