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 $332 USD
As of October 28, 2026
Save $1,171 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,503 USD at Reve Diamonds · As of October 28, 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 28, 2026, with prices from $332 to $1,503, a $1,171 spread on the same certified stone. Reve Diamonds lists it at $1,503. 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
Color
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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Price History

Last verified: Oct 28
Current: $651 USD|Low: $332 USD|High: $1,503 USD|Avg: $897 USD|+0.9%
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 29, 2026
Retailer 13$332 USD
Retailer 14$379 USD
Retailer 5$495 USD
Retailer 11$495 USD
Retailer 7$605 USD
Retailer 10$633 USD
Retailer 1$651 USD
Retailer 9$857 USD
Retailer 3$1,063 USD
Retailer 12$1,132 USD
Retailer 6$1,180 USD
Retailer 4$1,232 USD
Retailer 2$1,294 USD
Retailer 8$1,485 USD
Reve Diamonds$1,503 USD

9 data points across 15 retailers

15 retailers$332 USD to $1,503 USD

A
Cheapest Retailer
-
$332 USD
Final sale: no returns
Retailer 2
-
$379 USD
£299 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
$495 USD
View
A
Retailer 4
-
$495 USD
View
A
Retailer 5
-
$605 USD
€576 EUR
View
A
Retailer 6
-
$633 USD
ZAR 10,226 ZAR
View
A
Retailer 7
-
$651 USD
£513 GBP
View
A
Retailer 8
-
$857 USD
A$1,318 AUD
View
B+
Retailer 9
-
$1,063 USD
View
B+
Retailer 10
-
$1,132 USD
View
B+
Retailer 11
-
$1,180 USD
SGD 1,595 SGD
View
B+
Retailer 12
-
$1,232 USD
View
B+
Retailer 13
-
$1,294 USD
View
B+
Retailer 14
-
$1,485 USD
£1,169 GBP
View
Most Expensive
B
Reve Diamonds
F266ECD46 · Oct 28
$1,503 USD
View
14 more retailers have this diamond
Prices start from $332 USDSave up to $1,171 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.55ct Heart
$332 USD