Round|Lab Grown|IGI

0.37ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG459129358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459129358

Diamond specifications and retailer prices

From €155 EUR
$173 USD
As of November 1, 2026
Save €464 EUR (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €900 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 0.37ct lab-grown round diamond

This 0.37ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459129358 or 459129358. Listed at 9 retailers as of October 30, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.37
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459129358
Dimensions4.57 × 4.53 × 2.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
4.57 mm4.53 mm0.37 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459129358
Side View
Table 56.0%Crown 36.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.4%

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: Nov 1
Current: €900 EUR|Low: €149 EUR|High: €911 EUR|Avg: €349 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3€155 EUR
Retailer 7€180 EUR
Retailer 5€192 EUR
Retailer 9€194 EUR
Retailer 4€224 EUR
Retailer 6€344 EUR
Retailer 2€393 EUR
Retailer 10€403 EUR
Retailer 8€440 EUR
MOH London€900 EUR

16 data points across 10 retailers

9 retailers€155 EUR to €619 EUR

A
Cheapest Retailer
-
€155 EUR
$173 USD
A
Retailer 2
-
€180 EUR
$201 USD
View
A
Retailer 3
-
€192 EUR
$215 USD
View
Retailer 4
-
€192 EUR
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€224 EUR
$250 USD
View
B+
Retailer 6
-
€344 EUR
$384 USD
View
B+
Retailer 7
-
€393 EUR
View
B
Retailer 8
-
€619 EUR
$691 USD
View
Most Expensive
MOH London
LG459129358 · Oct 25
€900 EUR
£792 GBP
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from €155 EURSave up to €464 EUR

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
0.37ct Round
€155 EUR