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0.38ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG459129356

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459129356

Diamond specifications and retailer prices

From $202 USD
As of October 29, 2026
Save $975 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,177 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.38ct lab-grown round diamond

This 0.38ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459129356 or 459129356. Listed at 10 retailers as of October 29, 2026, with prices from $202 to $1,177, a $975 spread on the same certified stone. MOH London lists it at $1,177. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.38
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459129356
Dimensions4.58 × 4.56 × 2.90 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
4.58 mm4.56 mm0.38 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459129356
Side View
Table 60.5%Crown 37.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.4%

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: Oct 29
Current: $1,177 USD|Low: $194 USD|High: $1,186 USD|Avg: $425 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5$202 USD
Retailer 8$234 USD
Retailer 4$240 USD
Retailer 6$251 USD
Retailer 9$335 USD
Retailer 7$435 USD
Retailer 3$459 USD
Retailer 2$495 USD
MOH London$1,177 USD

42 data points across 9 retailers

10 retailers$202 USD to $1,177 USD

A
Cheapest Retailer
-
$202 USD
B+
Retailer 2
-
$234 USD
View
A
Retailer 3
-
$240 USD
View
B+
Retailer 4
-
$251 USD
View
B+
Retailer 5
-
$251 USD
View
B
Retailer 6
-
$435 USD
View
B
Retailer 7
-
$459 USD
£361 GBP
View
B
Retailer 8
-
$495 USD
€471 EUR
View
B
Retailer 9
-
$806 USD
View
Most Expensive
B
MOH London
LG459129356 · Oct 29
$1,177 USD
£927 GBP
View
9 more retailers have this diamond
Prices start from $202 USDSave up to $975 USD

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
0.38ct Round
$202 USD