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Oval|Lab Grown|IGI

1.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447000641

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000641

Diamond specifications and retailer prices

From $1,087 SGD
$850 USD
As of October 31, 2026
Save $5,289 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,376 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown oval diamond

This 1.55ct 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 LG447000641 or 447000641. Listed at 12 retailers as of October 31, 2026, with prices from $1,087 to $6,376, a $5,289 spread on the same certified stone. MOH London lists it at $6,376. 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

1.55
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000641
Dimensions9.09 × 6.59 × 4.12 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.09 mm6.59 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000641
Side View
Table 57.5%Crown 34.4°Girdle: MED-THKPavilion 41.9°Culet: NoneDepth 62.5%

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: $6,376 SGD|Low: $1,087 SGD|High: $6,460 SGD|Avg: $2,912 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8$1,087 SGD
Retailer 7$1,710 SGD
Retailer 12$1,861 SGD
Retailer 13$1,915 SGD
Retailer 9$1,984 SGD
Retailer 14$1,984 SGD
Retailer 3$2,205 SGD
Retailer 5$2,727 SGD
Retailer 2$2,833 SGD
Retailer 10$3,136 SGD
Retailer 4$3,698 SGD
Retailer 11$3,719 SGD
Retailer 6$5,681 SGD
MOH London$6,376 SGD

38 data points across 14 retailers

12 retailers$1,087 SGD to $6,376 SGD

A
Cheapest Retailer
-
$1,087 SGD
$850 USD
B+
Retailer 2
-
$1,710 SGD
$1,338 USD
View
B+
Retailer 3
-
$1,861 SGD
$1,456 USD
View
B+
Retailer 4
-
$1,915 SGD
$1,498 USD
View
Final sale: no returns
Retailer 5
-
$1,984 SGD
$1,552 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$1,984 SGD
$1,552 USD
View
B+
Retailer 7
-
$2,205 SGD
$1,725 USD
View
B
Retailer 8
-
$2,833 SGD
£1,745 GBP
View
B
Retailer 9
-
$3,136 SGD
$2,453 USD
View
B
Retailer 10
-
$3,698 SGD
$2,893 USD
View
B
Retailer 11
-
$3,719 SGD
$2,909 USD
View
Most Expensive
B
MOH London
LG447000641 · Nov 1
$6,376 SGD
£3,927 GBP
View
11 more retailers have this diamond
Prices start from $1,087 SGDSave up to $5,289 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
1.55ct Oval
$1,087 SGD