CaratHunter
Plans
Heart|Lab Grown|IGI

1.39ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG575368237

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG575368237

Diamond specifications and retailer prices

From $343 NZD
As of November 6, 2026
Save $2,940 NZD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,283 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.39ct lab-grown heart diamond

This 1.39ct 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 LG575368237 or 575368237. Listed at 13 retailers as of November 6, 2026, with prices from $343 to $3,283, a $2,940 spread on the same certified stone. Do Amore Diamonds lists it at $3,283. 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

1.39
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575368237
Dimensions7.72 × 6.59 × 4.72 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.72 mm6.59 mm1.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575368237
Side View
Table 57.5%Crown 36.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

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: Nov 6
Current: $855 NZD|Low: $249 NZD|High: $2,688 NZD|Avg: $952 NZD|+3.5%
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
November 6, 2026
Retailer 5$249 NZD
Retailer 8$343 NZD
Retailer 2$382 NZD
Retailer 12$397 NZD
Retailer 9$424 NZD
Retailer 13$424 NZD
Retailer 11$745 NZD
Retailer 1$855 NZD
Retailer 3$1,016 NZD
Retailer 7$1,369 NZD
Retailer 10$1,506 NZD
Retailer 6$1,871 NZD
Retailer 4$2,688 NZD

45 data points across 13 retailers

13 retailers$343 NZD to $3,283 NZD

A
Cheapest Retailer
-
$343 NZD
A
Retailer 2
-
$382 NZD
View
Final sale: no returns
A
Retailer 3
-
$397 NZD
View
A
Retailer 4
-
$424 NZD
View
Retailer 5
-
$424 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$714 NZD
View
B+
Retailer 7
-
$745 NZD
View
B+
Retailer 8
-
$855 NZD
View
B+
Retailer 9
-
$1,016 NZD
View
B
Retailer 10
-
$1,369 NZD
View
B
Retailer 11
-
$1,506 NZD
View
B
Retailer 12
-
$1,871 NZD
View
Most Expensive
B
Do Amore Diamonds
27-05760F5F2 · Nov 6
$3,283 NZD
$1,820 USD
View
12 more retailers have this diamond
Prices start from $343 NZDSave up to $2,940 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
1.39ct Heart
$343 NZD