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Oval|Lab Grown|IGI

1.51ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG447001167

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001167

Diamond specifications and retailer prices

From $1,714 USD
As of November 5, 2026
Save $3,950 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,664 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 top-tier cut grade and certified by IGI LG447001167 or 447001167. Listed at 8 retailers as of November 5, 2026, with prices from $1,714 to $5,664, a $3,950 spread on the same certified stone. MOH London lists it at $5,664. 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

1.51
Carat
K
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001167
Dimensions9.22 × 6.38 × 4.03 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.22 mm6.38 mm1.51 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001167
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,664 USD|Low: $1,646 USD|High: $5,756 USD|Avg: $3,190 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$1,714 USD
Retailer 7$1,865 USD
Retailer 4$1,989 USD
Retailer 8$2,650 USD
Retailer 5$3,124 USD
Retailer 2$3,429 USD
Retailer 6$3,728 USD
Retailer 9$4,451 USD
MOH London$5,664 USD

14 data points across 9 retailers

8 retailers$1,714 USD to $5,664 USD

B+
Cheapest Retailer
-
$1,714 USD
B
Retailer 2
-
$1,865 USD
View
Retailer 3
-
$1,989 USD
View
Price last confirmed 25 days ago
B
Retailer 4
-
$1,989 USD
View
B
Retailer 5
-
$3,124 USD
View
B
Retailer 6
-
$3,429 USD
View
B
Retailer 7
-
$3,728 USD
View
Most Expensive
B
MOH London
LG447001167 · Nov 5
$5,664 USD
£4,460 GBP
View
7 more retailers have this diamond
Prices start from $1,714 USDSave up to $3,950 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+
1.51ct Oval
$1,714 USD