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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

VG • E/IF • IGI LG831688164

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831688164

Diamond specifications and retailer prices

From $473 AUD
$332 USD
As of October 30, 2026
Save $1,668 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,140 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG831688164 or 831688164. Listed at 15 retailers as of October 30, 2026, with prices from $473 to $2,140, a $1,668 spread on the same certified stone. Reve Diamonds lists it at $2,140. 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

1.55
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831688164
Dimensions7.29 × 7.99 × 4.62 mm
L/W Ratio1.10
Girdle conditionFaceted
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
7.29 mm7.99 mm1.55 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831688164
Side View
Table 58.0%Crown 33.9°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $542 AUD|Low: $473 AUD|High: $2,140 AUD|Avg: $1,277 AUD|+0.3%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 2$473 AUD
Retailer 1$542 AUD
Retailer 13$705 AUD
Retailer 7$860 AUD
Retailer 9$861 AUD
Retailer 12$901 AUD
Retailer 8$930 AUD
Retailer 11$1,220 AUD
Retailer 4$1,513 AUD
Retailer 14$1,612 AUD
Retailer 6$1,680 AUD
Retailer 5$1,754 AUD
Retailer 3$1,842 AUD
Retailer 10$2,114 AUD
Reve Diamonds$2,140 AUD

10 data points across 15 retailers

15 retailers$473 AUD to $2,140 AUD

A
Cheapest Retailer
-
$473 AUD
$332 USD
Final sale: no returns
A
Retailer 2
-
$542 AUD
£300 GBP
View
A
Retailer 3
-
$705 AUD
$495 USD
View
A
Retailer 4
-
$860 AUD
$604 USD
View
A
Retailer 5
-
$861 AUD
€576 EUR
View
A
Retailer 6
-
$901 AUD
ZAR 10,226 ZAR
View
A
Retailer 7
-
$930 AUD
£514 GBP
View
A
Retailer 8
-
$1,220 AUD
View
B+
Retailer 9
-
$1,513 AUD
$1,063 USD
View
B+
Retailer 10
-
$1,612 AUD
$1,132 USD
View
B+
Retailer 11
-
$1,680 AUD
SGD 1,595 SGD
View
B+
Retailer 12
-
$1,754 AUD
$1,232 USD
View
B+
Retailer 13
-
$1,842 AUD
$1,294 USD
View
B+
Retailer 14
-
$2,114 AUD
£1,169 GBP
View
Most Expensive
B
Reve Diamonds
F266ECD46 · Oct 30
$2,140 AUD
$1,503 USD
View
14 more retailers have this diamond
Prices start from $473 AUDSave up to $1,668 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
1.55ct Heart
$473 AUD