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Oval|Lab Grown|IGI

1.50ct K SI2 Oval Lab Grown Diamond

GD • K/SI2 • IGI LG451057399

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057399

Diamond specifications and retailer prices

From $1,703 USD
As of November 5, 2026
Save $3,924 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,627 USD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG451057399 or 451057399. Listed at 8 retailers as of November 5, 2026, with prices from $1,703 to $5,627, a $3,924 spread on the same certified stone. MOH London lists it at $5,627. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057399
Dimensions9.04 × 6.50 × 4.08 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Top View
9.04 mm6.50 mm1.50 ctK / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057399
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,627 USD|Low: $1,703 USD|High: $5,719 USD|Avg: $3,374 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,703 USD
Retailer 6$2,022 USD
Retailer 5$2,634 USD
Retailer 4$3,104 USD
Retailer 2$3,407 USD
Retailer 7$4,422 USD
MOH London$5,627 USD

14 data points across 7 retailers

8 retailers$1,703 USD to $5,627 USD

B
Cheapest Retailer
-
$1,703 USD
B
Retailer 2
-
$1,853 USD
View
B
Retailer 3
-
$1,976 USD
View
Retailer 4
-
$1,976 USD
View
Price last confirmed 25 days ago
C
Retailer 5
-
$3,104 USD
View
C
Retailer 6
-
$3,407 USD
View
C
Retailer 7
-
$3,703 USD
View
Most Expensive
C
MOH London
LG451057399 · Nov 5
$5,627 USD
£4,431 GBP
View
7 more retailers have this diamond
Prices start from $1,703 USDSave up to $3,924 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
1.50ct Oval
$1,703 USD