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Round|Lab Grown|IGI

0.50ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG414059633

Shape and cutting style on the report: Round brilliant

Certificate IGI LG414059633

Diamond specifications and retailer prices

From $290 USD
As of October 31, 2026
Save $965 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,565 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414059633 or 414059633. Listed at 11 retailers as of October 30, 2026, with a 333% 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

0.50
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414059633
Dimensions5.11 × 5.05 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.11 mm5.05 mm0.50 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414059633
Side View
Table 58.5%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,565 USD|Low: $290 USD|High: $1,584 USD|Avg: $636 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$290 USD
Retailer 7$315 USD
Retailer 10$352 USD
Retailer 11$365 USD
Retailer 3$370 USD
Retailer 8$390 USD
Retailer 9$635 USD
Retailer 5$716 USD
Retailer 12$759 USD
Retailer 4$817 USD
Retailer 6$1,145 USD
MOH London$1,565 USD

19 data points across 12 retailers

11 retailers$290 USD to $1,255 USD

B+
Cheapest Retailer
-
$290 USD
B+
Retailer 2
-
$315 USD
View
B+
Retailer 3
-
$352 USD
View
Final sale: no returns
B+
Retailer 4
-
$365 USD
View
Retailer 5
-
$390 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$390 USD
View
B
Retailer 7
-
$635 USD
View
B
Retailer 8
-
$716 USD
€682 EUR
View
B
Retailer 9
-
$1,145 USD
View
B
Retailer 10
-
$1,255 USD
View
Most Expensive
MOH London
LG414059633 · Nov 1
$1,565 USD
£1,232 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $290 USDSave up to $965 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.

B+
0.50ct Round
$290 USD