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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 $589 NZD
$332 USD
As of November 1, 2026
Save $2,079 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,668 NZD at Reve Diamonds · As of November 1, 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 November 1, 2026, with prices from $589 to $2,668, a $2,079 spread on the same certified stone. Reve Diamonds lists it at $2,668. 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: Nov 1
Current: $673 NZD|Low: $589 NZD|High: $2,668 NZD|Avg: $1,588 NZD|+0.0%
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
November 2, 2026
Retailer 2$589 NZD
Retailer 1$673 NZD
Retailer 11$878 NZD
Retailer 10$932 NZD
Retailer 9$1,066 NZD
Retailer 8$1,127 NZD
Retailer 7$1,159 NZD
Retailer 13$1,520 NZD
Retailer 4$1,886 NZD
Retailer 14$2,009 NZD
Retailer 6$2,094 NZD
Retailer 5$2,186 NZD
Retailer 3$2,296 NZD
Retailer 12$2,634 NZD
Reve Diamonds$2,668 NZD

13 data points across 15 retailers

15 retailers$589 NZD to $2,668 NZD

A
Cheapest Retailer
-
$589 NZD
$332 USD
Final sale: no returns
A
Retailer 2
-
$673 NZD
£299 GBP
View
A
Retailer 3
-
$878 NZD
$495 USD
View
A
Retailer 4
-
$932 NZD
$525 USD
View
A
Retailer 5
-
$1,066 NZD
€572 EUR
View
A
Retailer 6
-
$1,127 NZD
ZAR 10,262 ZAR
View
A
Retailer 7
-
$1,159 NZD
£514 GBP
View
A
Retailer 8
-
$1,520 NZD
A$1,318 AUD
View
B+
Retailer 9
-
$1,886 NZD
$1,063 USD
View
B+
Retailer 10
-
$2,009 NZD
$1,132 USD
View
B+
Retailer 11
-
$2,094 NZD
SGD 1,595 SGD
View
B+
Retailer 12
-
$2,186 NZD
$1,232 USD
View
B+
Retailer 13
-
$2,296 NZD
$1,294 USD
View
B+
Retailer 14
-
$2,634 NZD
£1,169 GBP
View
Most Expensive
B
Reve Diamonds
F266ECD46 · Nov 1
$2,668 NZD
$1,503 USD
View
14 more retailers have this diamond
Prices start from $589 NZDSave up to $2,079 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
1.55ct Heart
$589 NZD