Round|Lab Grown|IGI

1.30ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG786643790

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786643790

Diamond specifications and retailer prices

From $227 SGD
As of November 1, 2026
Save $1,091 SGD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,319 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786643790 or 786643790. Listed at 13 retailers as of November 1, 2026, with prices from $227 to $1,319, a $1,091 spread on the same certified stone. MOH London lists it at $1,319. 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

1.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786643790
Dimensions7.05 × 7.01 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.05 mm7.01 mm1.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786643790
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,319 SGD|Low: $218 SGD|High: $1,358 SGD|Avg: $582 SGD|-2.9%
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 4, 2026
Retailer 8$227 SGD
Retailer 10$254 SGD
Retailer 4$282 SGD
Retailer 6$479 SGD
Retailer 11$499 SGD
Retailer 7$501 SGD
Retailer 3$539 SGD
Retailer 9$603 SGD
Retailer 2$658 SGD
Retailer 5$743 SGD
Retailer 12$830 SGD
MOH London$1,319 SGD

33 data points across 12 retailers

13 retailers$227 SGD to $1,319 SGD

A
Cheapest Retailer
-
$227 SGD
A
Retailer 2
-
$254 SGD
View
Final sale: no returns
Retailer 3
-
$282 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$479 SGD
View
A
Retailer 5
-
$499 SGD
View
A
Retailer 6
-
$501 SGD
View
A
Retailer 7
-
$539 SGD
View
B+
Retailer 8
-
$603 SGD
View
B+
Retailer 9
-
$658 SGD
View
B
Retailer 10
-
$743 SGD
View
B+
Retailer 11
-
$830 SGD
View
Retailer 12
-
$958 SGD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG786643790 · Nov 2
$1,319 SGD
£813 GBP
View
12 more retailers have this diamond
Prices start from $227 SGDSave up to $1,091 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
1.30ct Round
$227 SGD