CaratHunter
Plans
Heart|Lab Grown|IGI

1.27ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG659468456

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG659468456

Diamond specifications and retailer prices

From $214 AUD
$150 USD
As of October 30, 2026
Save $1,032 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,246 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.27ct lab-grown heart diamond

This 1.27ct 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 LG659468456 or 659468456. Listed at 14 retailers as of October 29, 2026, with prices from $214 to $1,246, a $1,032 spread on the same certified stone. MOH London lists it at $1,246. 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

1.27
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG659468456
Dimensions7.53 × 6.62 × 4.48 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
7.53 mm6.62 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG659468456
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.5%

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: Oct 30
Current: $1,246 AUD|Low: $205 AUD|High: $1,255 AUD|Avg: $554 AUD|+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
Retailer 13
Retailer 14
October 31, 2026
Retailer 11$214 AUD
Retailer 3$248 AUD
Retailer 5$265 AUD
Retailer 12$265 AUD
Retailer 9$346 AUD
Retailer 7$461 AUD
Retailer 14$487 AUD
Retailer 8$517 AUD
Retailer 4$602 AUD
Retailer 6$626 AUD
Retailer 2$655 AUD
Retailer 13$853 AUD
Retailer 10$900 AUD
MOH London$1,246 AUD

43 data points across 14 retailers

14 retailers$214 AUD to $1,246 AUD

A
Cheapest Retailer
-
$214 AUD
$150 USD
A
Retailer 2
-
$248 AUD
$174 USD
View
A
Retailer 3
-
$265 AUD
$186 USD
View
A
Retailer 4
-
$265 AUD
$186 USD
View
Retailer 5
-
$346 AUD
£191 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$461 AUD
£255 GBP
View
B+
Retailer 7
-
$487 AUD
$342 USD
View
A
Retailer 8
-
$517 AUD
£286 GBP
View
B+
Retailer 9
-
$602 AUD
$423 USD
View
B+
Retailer 10
-
$626 AUD
$440 USD
View
B+
Retailer 11
-
$655 AUD
View
B+
Retailer 12
-
$853 AUD
$599 USD
View
B
Retailer 13
-
$900 AUD
$632 USD
View
Most Expensive
B
MOH London
LG659468456 · Oct 29
$1,246 AUD
£689 GBP
View
13 more retailers have this diamond
Prices start from $214 AUDSave up to $1,032 AUD

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
1.27ct Heart
$214 AUD