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Round|Lab Grown|IGI

1.38ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG502182360

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502182360

Diamond specifications and retailer prices

From $180 USD
As of October 29, 2026
Save $868 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,048 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.38ct lab-grown round diamond

This 1.38ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG502182360 or 502182360. Listed at 15 retailers as of October 29, 2026, with prices from $180 to $1,048, a $868 spread on the same certified stone. MOH London lists it at $1,048. 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

1.38
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502182360
Dimensions7.13 × 7.18 × 4.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.13 mm7.18 mm1.38 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502182360
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

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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: $1,048 USD|Low: $173 USD|High: $1,055 USD|Avg: $431 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$180 USD
Retailer 3$200 USD
Retailer 9$223 USD
Retailer 10$223 USD
Retailer 8$295 USD
Retailer 5$377 USD
Retailer 2$397 USD
Retailer 4$442 USD
Retailer 11$477 USD
Retailer 6$757 USD
MOH London$1,048 USD

44 data points across 11 retailers

15 retailers$180 USD to $1,048 USD

A
Cheapest Retailer
-
$180 USD
A
Retailer 2
-
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$209 USD
View
A
Retailer 4
-
$223 USD
View
A
Retailer 5
-
$223 USD
View
A
Retailer 6
-
$256 USD
HK$2,000 HKD
View
B+
Retailer 7
-
$295 USD
View
A
Retailer 8
-
$377 USD
€359 EUR
View
A
Retailer 9
-
$397 USD
£313 GBP
View
A
Retailer 10
-
$442 USD
£348 GBP
View
B+
Retailer 11
-
$477 USD
View
B+
Retailer 12
-
$491 USD
View
B+
Retailer 13
-
$717 USD
View
B
Retailer 14
-
$757 USD
View
Most Expensive
B
MOH London
LG502182360 · Oct 29
$1,048 USD
£825 GBP
View
14 more retailers have this diamond
Prices start from $180 USDSave up to $868 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
1.38ct Round
$180 USD