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Oval|Lab Grown|IGI

1.81ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG447000090

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000090

Diamond specifications and retailer prices

From $2,050 USD
As of November 5, 2026
Save $4,722 USD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,772 USD at MOH London · As of November 5, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct 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 LG447000090 or 447000090. Listed at 8 retailers as of November 5, 2026, with prices from $2,050 to $6,772, a $4,722 spread on the same certified stone. MOH London lists it at $6,772. 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

1.81
Carat
K
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000090
Dimensions9.43 × 6.97 × 4.37 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.43 mm6.97 mm1.81 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000090
Side View
Table 57.5%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: $6,772 USD|Low: $1,968 USD|High: $6,881 USD|Avg: $3,659 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$2,050 USD
Retailer 7$2,230 USD
Retailer 4$2,377 USD
Retailer 8$3,030 USD
Retailer 6$3,268 USD
Retailer 5$3,719 USD
Retailer 2$3,813 USD
Retailer 9$5,320 USD
MOH London$6,772 USD

14 data points across 9 retailers

8 retailers$2,050 USD to $6,772 USD

B+
Cheapest Retailer
-
$2,050 USD
B+
Retailer 2
-
$2,230 USD
View
Retailer 3
-
$2,377 USD
View
Price last confirmed 26 days ago
B
Retailer 4
-
$2,377 USD
View
B
Retailer 5
-
$3,268 USD
View
B
Retailer 6
-
$3,719 USD
View
B
Retailer 7
-
$3,813 USD
View
Most Expensive
B
MOH London
LG447000090 · Nov 5
$6,772 USD
£5,332 GBP
View
7 more retailers have this diamond
Prices start from $2,050 USDSave up to $4,722 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+
1.81ct Oval
$2,050 USD