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Round|Lab Grown|IGI

1.28ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG763605132

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763605132

Diamond specifications and retailer prices

From $217 SGD
As of November 1, 2026
Save $1,042 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,259 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct 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 very-good cut grade and certified by IGI LG763605132 or 763605132. Listed at 12 retailers as of November 1, 2026, with prices from $217 to $1,259, a $1,042 spread on the same certified stone. MOH London lists it at $1,259. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763605132
Dimensions7.04 × 7.02 × 4.16 mm
L/W Ratio1.00
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
7.04 mm7.02 mm1.28 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG763605132
Side View
Table 58.0%Crown 32.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,259 SGD|Low: $139 SGD|High: $1,296 SGD|Avg: $542 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
Retailer 13
November 4, 2026
Retailer 5$139 SGD
Retailer 10$217 SGD
Retailer 11$243 SGD
Retailer 4$270 SGD
Retailer 7$461 SGD
Retailer 8$478 SGD
Retailer 13$482 SGD
Retailer 3$522 SGD
Retailer 12$591 SGD
Retailer 2$594 SGD
Retailer 6$705 SGD
Retailer 9$766 SGD
MOH London$1,259 SGD

34 data points across 13 retailers

12 retailers$217 SGD to $1,259 SGD

A
Cheapest Retailer
-
$217 SGD
A
Retailer 2
-
$243 SGD
View
Final sale: no returns
Retailer 3
-
$270 SGD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$461 SGD
View
B+
Retailer 5
-
$478 SGD
View
B+
Retailer 6
-
$482 SGD
View
B+
Retailer 7
-
$522 SGD
View
B+
Retailer 8
-
$591 SGD
View
B+
Retailer 9
-
$594 SGD
View
B
Retailer 10
-
$705 SGD
View
B
Retailer 11
-
$766 SGD
View
Most Expensive
B
MOH London
LG763605132 · Nov 2
$1,259 SGD
£776 GBP
View
11 more retailers have this diamond
Prices start from $217 SGDSave up to $1,042 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
1.28ct Round
$217 SGD