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Oval|Lab Grown|IGI

1.81ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG436046039

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436046039

Diamond specifications and retailer prices

From $1,609 AUD
$1,130 USD
As of October 31, 2026
Save $6,554 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,163 AUD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046039 or 436046039. Listed at 11 retailers as of October 29, 2026, with prices from $1,609 to $8,163, a $6,554 spread on the same certified stone. MOH London lists it at $8,163. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046039
Dimensions9.29 × 7.00 × 4.38 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm7.00 mm1.81 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046039
Side View
Table 59.5%Crown 34.9°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 62.6%

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: Oct 31
Current: $8,163 AUD|Low: $1,609 AUD|High: $8,228 AUD|Avg: $4,303 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,609 AUD
Retailer 5$2,451 AUD
Retailer 8$2,745 AUD
Retailer 6$2,843 AUD
Retailer 3$2,896 AUD
Retailer 9$3,082 AUD
Retailer 10$3,804 AUD
Retailer 7$4,463 AUD
Retailer 4$4,901 AUD
Retailer 11$8,139 AUD
MOH London$8,163 AUD

16 data points across 11 retailers

11 retailers$1,609 AUD to $8,163 AUD

A
Cheapest Retailer
-
$1,609 AUD
$1,130 USD
B+
Retailer 2
-
$2,451 AUD
$1,722 USD
View
B+
Retailer 3
-
$2,666 AUD
$1,873 USD
View
B+
Retailer 4
-
$2,745 AUD
$1,928 USD
View
Final sale: no returns
Retailer 5
-
$2,843 AUD
$1,997 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,843 AUD
$1,997 USD
View
B
Retailer 7
-
$3,082 AUD
$2,165 USD
View
B
Retailer 8
-
$4,463 AUD
$3,135 USD
View
B
Retailer 9
-
$4,901 AUD
$3,443 USD
View
B
Retailer 10
-
$5,329 AUD
$3,743 USD
View
Most Expensive
B
MOH London
LG436046039 · Oct 29
$8,163 AUD
£4,515 GBP
View
10 more retailers have this diamond
Prices start from $1,609 AUDSave up to $6,554 AUD

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
1.81ct Oval
$1,609 AUD