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Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593304053

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593304053

Diamond specifications and retailer prices

From $531 NZD
$299 USD
As of October 30, 2026
Save $2,115 NZD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,645 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct 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 LG593304053 or 593304053. Listed at 21 retailers as of October 29, 2026, with prices from $531 to $2,645, a $2,115 spread on the same certified stone. MOH London lists it at $2,645. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593304053
Dimensions6.59 × 6.87 × 4.08 mm
L/W Ratio1.04
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
6.59 mm6.87 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593304053
Side View
Table 56.0%Crown 36.9°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 59.4%

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: Oct 30
Current: $2,645 NZD|Low: $531 NZD|High: $2,720 NZD|Avg: $1,364 NZD|-2.7%
MOH London
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
Retailer 19
October 30, 2026
Retailer 8$531 NZD
Retailer 16$591 NZD
Retailer 5$614 NZD
Retailer 14$656 NZD
Retailer 2$697 NZD
Retailer 4$884 NZD
Retailer 6$932 NZD
Retailer 17$1,082 NZD
Retailer 7$1,091 NZD
Retailer 3$1,129 NZD
Retailer 12$1,165 NZD
Retailer 15$1,194 NZD
Retailer 19$1,602 NZD
Retailer 11$1,726 NZD
Retailer 18$2,111 NZD
Retailer 9$2,196 NZD
Retailer 13$2,347 NZD
Retailer 10$2,431 NZD
MOH London$2,645 NZD

27 data points across 19 retailers

21 retailers$531 NZD to $2,645 NZD

A
Cheapest Retailer
-
$531 NZD
$299 USD
A
Retailer 2
-
$591 NZD
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$614 NZD
$346 USD
View
A
Retailer 4
-
$656 NZD
$370 USD
View
A
Retailer 5
-
$671 NZD
$378 USD
View
A
Retailer 6
-
$697 NZD
£309 GBP
View
A
Retailer 7
-
$884 NZD
$498 USD
View
A
Retailer 8
-
$932 NZD
$525 USD
View
B+
Retailer 9
-
$1,082 NZD
$610 USD
View
B+
Retailer 10
-
$1,091 NZD
$615 USD
View
B+
Retailer 11
-
$1,129 NZD
ZAR 10,276 ZAR
View
B+
Retailer 12
-
$1,165 NZD
£517 GBP
View
B+
Retailer 13
-
$1,194 NZD
€641 EUR
View
B+
Retailer 14
-
$1,602 NZD
A$1,389 AUD
View
B
Retailer 15
-
$1,726 NZD
$973 USD
View
Retailer 16
-
$2,042 NZD
A$1,771 AUD
View
Price last confirmed 143 days ago
B
Retailer 17
-
$2,111 NZD
$1,190 USD
View
B
Retailer 18
-
$2,196 NZD
$1,238 USD
View
B
Retailer 19
-
$2,347 NZD
$1,323 USD
View
B
Retailer 20
-
$2,431 NZD
$1,370 USD
View
Most Expensive
B
MOH London
LG593304053 · Oct 29
$2,645 NZD
£1,174 GBP
View
20 more retailers have this diamond
Prices start from $531 NZDSave up to $2,115 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
1.03ct Heart
$531 NZD