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0.42ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG487196236

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487196236

Diamond specifications and retailer prices

From $244 USD
As of November 5, 2026
Save $964 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,208 USD at MOH London · As of November 5, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487196236 or 487196236. Listed at 9 retailers as of November 5, 2026, with prices from $244 to $1,208, a $964 spread on the same certified stone. MOH London lists it at $1,208. 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

0.42
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487196236
Dimensions4.86 × 4.91 × 2.88 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
4.86 mm4.91 mm0.42 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487196236
Side View
Table 61.5%Crown 33°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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 5
Current: $1,208 USD|Low: $234 USD|High: $1,226 USD|Avg: $523 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$244 USD
Retailer 2$260 USD
Retailer 7$283 USD
Retailer 5$302 USD
Retailer 6$508 USD
Retailer 3$577 USD
Retailer 8$596 USD
Retailer 9$633 USD
MOH London$1,208 USD

20 data points across 9 retailers

9 retailers$244 USD to $1,208 USD

A
Cheapest Retailer
-
$244 USD
A
Retailer 2
-
$260 USD
View
B+
Retailer 3
-
$283 USD
View
Retailer 4
-
$302 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$302 USD
View
B
Retailer 6
-
$508 USD
View
Retailer 7
-
$577 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$971 USD
View
Most Expensive
B
MOH London
LG487196236 · Nov 5
$1,208 USD
£951 GBP
View
8 more retailers have this diamond
Prices start from $244 USDSave up to $964 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
0.42ct Round
$244 USD