CaratHunter
Plans
Heart|Lab Grown|IGI

1.28ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG752551204

Certificate IGI LG752551204

Diamond specifications and retailer prices

From $145 USD
Save $1,025 USD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,170 USD at Brilliant Earth
View at Brilliant Earth

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart 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 LG752551204 or 752551204. Listed at 11 retailers, with prices from $145 to $1,170 at Brilliant Earth, a $1,025 spread on the same certified stone. 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

1.28
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752551204
Dimensions7.49 × 6.58 × 4.49 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm6.58 mm1.28 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752551204
Side View
Table 62.0%Crown 37.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 8 hours ago
Current: $1,170 USD|Low: $145 USD|High: $1,170 USD|Avg: $617 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11

25 data points across 11 retailers

11 retailers$145 USD - $1,170 USD

A
Cheapest Retailer
-
$145 USD
View
B+
Retailer 2
-
$305 USD
View
A
Retailer 3
-
$391 USD
£308 GBP
View
A
Retailer 4
-
$441 USD
View
B+
Retailer 5
-
$465 USD
View
B+
Retailer 6
-
$506 USD
A$778 AUD
View
B+
Retailer 7
-
$585 USD
View
B
Retailer 8
-
$739 USD
SGD 998 SGD
View
B
Retailer 9
-
$782 USD
View
B
Retailer 10
-
$1,138 USD
View
Most Expensive
B
Brilliant Earth
16872834A · Sep 1
$1,170 USD
View
10 more retailers have this diamond
Prices start from $145 USDSave up to $1,025 USD

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.

A
1.28ct Heart
$145 USD

Similar diamonds

Comparable stones with the same shape, color and clarity.