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Oval|Lab Grown|IGI

1.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036838

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036838

Diamond specifications and retailer prices

From $830 USD
As of November 6, 2026
Save $4,000 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,830 USD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036838 or 445036838. Listed at 11 retailers as of November 3, 2026, with prices from $830 to $4,830, a $4,000 spread on the same certified stone. MOH London lists it at $4,830. 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

1.50
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036838
Dimensions8.77 × 6.51 × 4.15 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.77 mm6.51 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036838
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 63.7%

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 6
Current: $4,830 USD|Low: $830 USD|High: $4,888 USD|Avg: $2,429 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$830 USD
Retailer 3$1,296 USD
Retailer 6$1,450 USD
Retailer 4$1,503 USD
Retailer 7$1,675 USD
Retailer 9$2,072 USD
Retailer 5$2,379 USD
Retailer 8$2,802 USD
Retailer 10$4,304 USD
MOH London$4,830 USD

10 data points across 10 retailers

11 retailers$830 USD to $4,830 USD

A
Cheapest Retailer
-
$830 USD
B+
Retailer 2
-
$1,296 USD
View
B+
Retailer 3
-
$1,410 USD
View
B+
Retailer 4
-
$1,450 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,503 USD
View
Retailer 6
-
$1,503 USD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,675 USD
View
B
Retailer 8
-
$2,379 USD
View
B
Retailer 9
-
$2,802 USD
View
B
Retailer 10
-
$2,817 USD
View
Most Expensive
B
MOH London
LG445036838 · Nov 3
$4,830 USD
£3,803 GBP
View
10 more retailers have this diamond
Prices start from $830 USDSave up to $4,000 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
1.50ct Oval
$830 USD