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Oval|Lab Grown|IGI

1.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG442066686

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG442066686

Diamond specifications and retailer prices

From $820 USD
As of November 6, 2026
Save $4,010 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 LG442066686 or 442066686. Listed at 11 retailers as of November 3, 2026, with prices from $820 to $4,830, a $4,010 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
SymmetryVery Good
FluorescenceNone
Crown angle37.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066686
Dimensions8.78 × 6.38 × 4.12 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.78 mm6.38 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442066686
Side View
Table 58.0%Crown 37.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.6%

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: $820 USD|High: $4,888 USD|Avg: $2,292 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$820 USD
Retailer 2$1,296 USD
Retailer 7$1,450 USD
Retailer 5$1,503 USD
Retailer 8$1,503 USD
Retailer 9$1,675 USD
Retailer 11$2,072 USD
Retailer 6$2,379 USD
Retailer 10$2,802 USD
Retailer 3$4,304 USD
MOH London$4,830 USD

11 data points across 11 retailers

11 retailers$820 USD to $4,830 USD

A
Cheapest Retailer
-
$820 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
LG442066686 · Nov 3
$4,830 USD
£3,803 GBP
View
10 more retailers have this diamond
Prices start from $820 USDSave up to $4,010 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
$820 USD