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Oval|Lab Grown|IGI

1.81ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000618

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000618

Diamond specifications and retailer prices

From $1,278 SGD
$1,000 USD
As of October 29, 2026
Save $5,354 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,632 SGD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000618 or 447000618. Listed at 11 retailers as of October 29, 2026, with prices from $1,278 to $6,632, a $5,354 spread on the same certified stone. MOH London lists it at $6,632. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000618
Dimensions9.60 × 6.86 × 4.32 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.60 mm6.86 mm1.81 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000618
Side View
Table 57.5%Crown 35.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,632 SGD|Low: $1,278 SGD|High: $6,686 SGD|Avg: $3,458 SGD|+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 29, 2026
Retailer 5$1,278 SGD
Retailer 4$1,992 SGD
Retailer 8$2,230 SGD
Retailer 6$2,310 SGD
Retailer 9$2,525 SGD
Retailer 3$2,555 SGD
Retailer 10$3,127 SGD
Retailer 7$3,636 SGD
Retailer 2$4,084 SGD
Retailer 11$6,614 SGD
MOH London$6,632 SGD

15 data points across 11 retailers

11 retailers$1,278 SGD to $6,632 SGD

A
Cheapest Retailer
-
$1,278 SGD
$1,000 USD
B+
Retailer 2
-
$1,992 SGD
$1,558 USD
View
B+
Retailer 3
-
$2,167 SGD
$1,695 USD
View
B+
Retailer 4
-
$2,230 SGD
$1,744 USD
View
Final sale: no returns
Retailer 5
-
$2,310 SGD
$1,807 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,310 SGD
$1,807 USD
View
B+
Retailer 7
-
$2,525 SGD
$1,975 USD
View
B
Retailer 8
-
$3,636 SGD
$2,844 USD
View
B
Retailer 9
-
$4,084 SGD
$3,195 USD
View
B
Retailer 10
-
$4,330 SGD
$3,387 USD
View
Most Expensive
B
MOH London
LG447000618 · Oct 29
$6,632 SGD
£4,085 GBP
View
10 more retailers have this diamond
Prices start from $1,278 SGDSave up to $5,354 SGD

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
$1,278 SGD