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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG842626538

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842626538

Diamond specifications and retailer prices

From $435 SGD
$340 USD
As of October 30, 2026
Save $1,355 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,174 SGD at MOH London · As of October 19, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842626538 or 842626538. Listed at 16 retailers as of October 30, 2026, with a 312% 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

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842626538
Dimensions6.48 × 7.02 × 3.91 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.02 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842626538
Side View
Table 64.0%Crown 31.5°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
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: $2,174 SGD|Low: $435 SGD|High: $2,174 SGD|Avg: $1,065 SGD
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
October 31, 2026
Retailer 16$435 SGD
Retailer 5$487 SGD
Retailer 15$505 SGD
Retailer 11$539 SGD
Retailer 10$557 SGD
Retailer 6$726 SGD
Retailer 9$729 SGD
Retailer 3$752 SGD
Retailer 14$928 SGD
Retailer 7$936 SGD
Retailer 2$968 SGD
Retailer 12$1,311 SGD
Retailer 4$1,583 SGD
Retailer 13$1,735 SGD
Retailer 8$1,790 SGD
MOH London$2,174 SGD

13 data points across 16 retailers

16 retailers$435 SGD to $1,790 SGD

A
Cheapest Retailer
-
$435 SGD
$340 USD
A
Retailer 2
-
$487 SGD
$381 USD
View
Final sale: no returns
A
Retailer 3
-
$505 SGD
$395 USD
View
A
Retailer 4
-
$539 SGD
$422 USD
View
A
Retailer 5
-
$557 SGD
£343 GBP
View
B+
Retailer 6
-
$726 SGD
$568 USD
View
B+
Retailer 7
-
$729 SGD
$570 USD
View
B+
Retailer 8
-
$752 SGD
$588 USD
View
B+
Retailer 9
-
$928 SGD
ZAR 11,721 ZAR
View
B+
Retailer 10
-
$936 SGD
$732 USD
View
B+
Retailer 11
-
$968 SGD
£596 GBP
View
B
Retailer 12
-
$1,311 SGD
A$1,578 AUD
View
B
Retailer 13
-
$1,583 SGD
$1,238 USD
View
B
Retailer 14
-
$1,735 SGD
$1,357 USD
View
B
Retailer 15
-
$1,790 SGD
$1,400 USD
View
Most Expensive
MOH London
LG842626538 · Oct 19
$2,174 SGD
£1,339 GBP
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $435 SGDSave up to $1,355 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
1.00ct Heart
$435 SGD