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Round|Lab Grown|IGI

1.55ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG442067967

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442067967

Diamond specifications and retailer prices

From $1,098 SGD
As of November 5, 2026
Save $4,848 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,947 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round 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 LG442067967 or 442067967. Listed at 11 retailers as of November 5, 2026, with prices from $1,098 to $5,947, a $4,848 spread on the same certified stone. MOH London lists it at $5,947. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067967
Dimensions7.52 × 7.49 × 4.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.52 mm7.49 mm1.55 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442067967
Side View
Table 57.5%Crown 31.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

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: Nov 5
Current: $5,947 SGD|Low: $1,098 SGD|High: $6,034 SGD|Avg: $3,034 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$1,098 SGD
Retailer 5$1,800 SGD
Retailer 8$2,016 SGD
Retailer 6$2,088 SGD
Retailer 9$2,088 SGD
Retailer 10$2,306 SGD
Retailer 4$2,387 SGD
Retailer 12$2,850 SGD
Retailer 7$3,294 SGD
Retailer 11$3,790 SGD
Retailer 3$5,840 SGD
MOH London$5,947 SGD

14 data points across 12 retailers

11 retailers$1,098 SGD to $5,947 SGD

A
Cheapest Retailer
-
$1,098 SGD
B+
Retailer 2
-
$1,800 SGD
View
B+
Retailer 3
-
$1,958 SGD
View
B+
Retailer 4
-
$2,016 SGD
View
Final sale: no returns
Retailer 5
-
$2,088 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,088 SGD
View
B+
Retailer 7
-
$2,306 SGD
View
B
Retailer 8
-
$3,294 SGD
View
B
Retailer 9
-
$3,790 SGD
View
B
Retailer 10
-
$3,914 SGD
View
Most Expensive
B
MOH London
LG442067967 · Nov 5
$5,947 SGD
£3,666 GBP
View
10 more retailers have this diamond
Prices start from $1,098 SGDSave up to $4,848 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 Round
$1,098 SGD