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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593305276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593305276

Diamond specifications and retailer prices

From $557 NZD
As of November 4, 2026
Save $3,151 NZD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,708 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG593305276 or 593305276. Listed at 20 retailers as of November 4, 2026, with prices from $557 to $3,708, a $3,151 spread on the same certified stone. Brilliant Earth lists it at $3,708. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593305276
Dimensions6.52 × 7.09 × 4.10 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
6.52 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593305276
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.8%

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 4
Current: $3,708 NZD|Low: $546 NZD|High: $3,725 NZD|Avg: $1,486 NZD|-0.5%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 9$557 NZD
Retailer 15$623 NZD
Retailer 6$648 NZD
Retailer 18$692 NZD
Retailer 5$931 NZD
Retailer 7$967 NZD
Retailer 3$1,119 NZD
Retailer 16$1,192 NZD
Retailer 8$1,206 NZD
Retailer 2$1,219 NZD
Retailer 14$1,222 NZD
Retailer 13$1,699 NZD
Retailer 12$2,028 NZD
Retailer 4$2,223 NZD
Retailer 10$2,303 NZD
Retailer 17$2,484 NZD
Retailer 11$2,764 NZD
Brilliant Earth$3,708 NZD

35 data points across 18 retailers

20 retailers$557 NZD to $3,708 NZD

A
Cheapest Retailer
-
$557 NZD
A
Retailer 2
-
$623 NZD
View
Final sale: no returns
A
Retailer 3
-
$648 NZD
View
A
Retailer 4
-
$692 NZD
View
Retailer 5
-
$706 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$931 NZD
View
A
Retailer 7
-
$967 NZD
View
B+
Retailer 8
-
$1,119 NZD
View
B+
Retailer 9
-
$1,192 NZD
View
B+
Retailer 10
-
$1,206 NZD
View
B+
Retailer 11
-
$1,219 NZD
View
B+
Retailer 12
-
$1,222 NZD
View
B+
Retailer 13
-
$1,699 NZD
View
B+
Retailer 14
-
$1,723 NZD
View
B
Retailer 15
-
$2,028 NZD
View
B
Retailer 16
-
$2,223 NZD
View
B
Retailer 17
-
$2,303 NZD
View
B
Retailer 18
-
$2,484 NZD
View
B
Retailer 19
-
$2,764 NZD
View
Most Expensive
B
Brilliant Earth
11244732A · Nov 4
$3,708 NZD
$2,090 USD
View
19 more retailers have this diamond
Prices start from $557 NZDSave up to $3,151 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
1.09ct Heart
$557 NZD