Heart|Lab Grown|IGI

1.03ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG818646099

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818646099

Diamond specifications and retailer prices

From $354 SGD
$277 USD
As of October 30, 2026
Save $1,485 SGD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,846 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 LG818646099 or 818646099. Listed at 23 retailers as of October 30, 2026, with a 419% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818646099
Dimensions6.89 × 6.26 × 4.09 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm6.26 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818646099
Side View
Table 62.0%Crown 31.7°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.4%

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: Oct 30
Current: $724 SGD|Low: $368 SGD|High: $2,271 SGD|Avg: $1,088 SGD|-21.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$395 SGD
Retailer 10$438 SGD
Retailer 4$463 SGD
Retailer 8$639 SGD
Retailer 1$724 SGD
Retailer 7$754 SGD
Retailer 5$771 SGD
Retailer 12$776 SGD
Retailer 6$1,068 SGD
Retailer 11$1,347 SGD
Retailer 9$1,760 SGD
Retailer 3$1,839 SGD

39 data points across 12 retailers

23 retailers$354 SGD to $1,839 SGD

A
Cheapest Retailer
-
$354 SGD
$277 USD
Retailer 2
-
$354 SGD
$277 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$395 SGD
$309 USD
View
Final sale: no returns
A
Retailer 4
-
$438 SGD
$343 USD
View
Retailer 5
-
$438 SGD
$343 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$463 SGD
$362 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$463 SGD
$362 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$537 SGD
$420 USD
View
Price last confirmed 31 days ago
Retailer 9
-
$566 SGD
$443 USD
View
Price last confirmed 33 days ago
Retailer 10
-
$574 SGD
$449 USD
View
Price last confirmed 27 days ago
Retailer 11
-
$574 SGD
$449 USD
View
Price last confirmed 17 days ago
A
Retailer 12
-
$639 SGD
$500 USD
View
B+
Retailer 13
-
$724 SGD
$566 USD
View
B+
Retailer 14
-
$754 SGD
ZAR 9,527 ZAR
View
B+
Retailer 15
-
$771 SGD
£475 GBP
View
B+
Retailer 16
-
$776 SGD
$607 USD
View
B+
Retailer 17
-
$1,068 SGD
A$1,285 AUD
View
B+
Retailer 18
-
$1,347 SGD
$1,054 USD
View
Retailer 19
-
$1,410 SGD
$1,103 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$1,760 SGD
£1,084 GBP
View
B
Retailer 21
-
$1,839 SGD
$1,439 USD
View
Retailer 22
-
$1,846 SGD
$1,444 USD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
2945aaba-f71c-41d4-8de9-5c651ceb8a0d · Sep 30
$1,846 SGD
$1,444 USD
View
Price last confirmed 30 days ago
22 more retailers have this diamond
Prices start from $354 SGDSave up to $1,485 SGD

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
$354 SGD