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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 $516 NZD
As of November 5, 2026
Save $1,717 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,777 NZD at MOH London · As of November 5, 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 November 5, 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
Colour
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: Nov 5
Current: $2,777 NZD|Low: $516 NZD|High: $2,817 NZD|Avg: $1,142 NZD|-1.4%
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 5, 2026
Retailer 2$516 NZD
Retailer 7$560 NZD
Retailer 10$626 NZD
Retailer 11$649 NZD
Retailer 3$658 NZD
Retailer 8$694 NZD
Retailer 9$1,130 NZD
Retailer 5$1,274 NZD
Retailer 12$1,350 NZD
Retailer 4$1,453 NZD
Retailer 6$2,037 NZD
MOH London$2,777 NZD

18 data points across 12 retailers

11 retailers$516 NZD to $2,233 NZD

B+
Cheapest Retailer
-
$516 NZD
B+
Retailer 2
-
$560 NZD
View
B+
Retailer 3
-
$626 NZD
View
Final sale: no returns
B+
Retailer 4
-
$649 NZD
View
Retailer 5
-
$694 NZD
View
Price last confirmed 12 days ago
B
Retailer 6
-
$694 NZD
View
B
Retailer 7
-
$1,130 NZD
View
Retailer 8
-
$1,274 NZD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,037 NZD
View
B
Retailer 10
-
$2,233 NZD
View
Most Expensive
MOH London
LG414059633 · Nov 5
$2,777 NZD
£1,229 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $516 NZDSave up to $1,717 NZD

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
$516 NZD