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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 $302 NZD
As of November 1, 2026
Save $1,451 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,753 NZD 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 $302 to $1,753, a $1,451 spread on the same certified stone. MOH London lists it at $1,753. 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

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: Nov 1
Current: $1,753 NZD|Low: $194 NZD|High: $1,805 NZD|Avg: $755 NZD|-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$194 NZD
Retailer 10$302 NZD
Retailer 11$338 NZD
Retailer 4$375 NZD
Retailer 7$642 NZD
Retailer 8$665 NZD
Retailer 13$671 NZD
Retailer 3$728 NZD
Retailer 12$824 NZD
Retailer 2$827 NZD
Retailer 6$982 NZD
Retailer 9$1,067 NZD
MOH London$1,753 NZD

34 data points across 13 retailers

12 retailers$302 NZD to $1,753 NZD

A
Cheapest Retailer
-
$302 NZD
A
Retailer 2
-
$338 NZD
View
Final sale: no returns
Retailer 3
-
$375 NZD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$642 NZD
View
B+
Retailer 5
-
$665 NZD
View
B+
Retailer 6
-
$671 NZD
View
B+
Retailer 7
-
$728 NZD
View
B+
Retailer 8
-
$824 NZD
View
B+
Retailer 9
-
$827 NZD
View
B
Retailer 10
-
$982 NZD
View
B
Retailer 11
-
$1,067 NZD
View
Most Expensive
B
MOH London
LG763605132 · Nov 2
$1,753 NZD
£776 GBP
View
11 more retailers have this diamond
Prices start from $302 NZDSave up to $1,451 NZD

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
$302 NZD