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Oval|Lab Grown|IGI

0.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445038903

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038903

Diamond specifications and retailer prices

From $479 NZD
$270 USD
As of November 1, 2026
Save $1,428 NZD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,380 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.5ct lab-grown oval diamond

This 0.5ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038903 or 445038903. Listed at 11 retailers as of October 31, 2026, with a 298% 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038903
Dimensions6.25 × 4.46 × 2.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.25 mm4.46 mm0.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038903
Side View
Table 61.0%Crown 33.5°Girdle: STK-THKPavilion 42.4°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,380 NZD|Low: $460 NZD|High: $2,407 NZD|Avg: $1,151 NZD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 6$479 NZD
Retailer 10$534 NZD
Retailer 8$593 NZD
Retailer 11$593 NZD
Retailer 7$639 NZD
Retailer 12$878 NZD
Retailer 9$985 NZD
Retailer 2$1,105 NZD
Retailer 3$1,215 NZD
Retailer 5$1,822 NZD
MOH London$2,380 NZD
Retailer 4$2,384 NZD

21 data points across 12 retailers

11 retailers$479 NZD to $1,907 NZD

A
Cheapest Retailer
-
$479 NZD
$270 USD
A
Retailer 2
-
$534 NZD
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$555 NZD
$313 USD
View
B+
Retailer 4
-
$593 NZD
$334 USD
View
Retailer 5
-
$593 NZD
$334 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$639 NZD
$360 USD
View
B
Retailer 7
-
$985 NZD
$555 USD
View
B
Retailer 8
-
$1,105 NZD
€593 EUR
View
B
Retailer 9
-
$1,822 NZD
$1,027 USD
View
B
Retailer 10
-
$1,907 NZD
$1,075 USD
View
Most Expensive
MOH London
LG445038903 · Oct 25
$2,380 NZD
£1,056 GBP
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $479 NZDSave up to $1,428 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.

A
0.50ct Oval
$479 NZD