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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG761554401

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG761554401

Diamond specifications and retailer prices

From $438 SGD
$342 USD
As of October 27, 2026
Save $2,639 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,077 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG761554401 or 761554401. Listed at 22 retailers as of October 27, 2026, with prices from $438 to $3,077, a $2,639 spread on the same certified stone. Brilliant Earth lists it at $3,077. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761554401
Dimensions6.10 × 6.88 × 4.10 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.10 mm6.88 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761554401
Side View
Table 55.0%Crown 35.3°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 59.6%

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 27
Current: $3,077 SGD|Low: $490 SGD|High: $3,077 SGD|Avg: $1,212 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 9$490 SGD
Retailer 3$731 SGD
Retailer 7$737 SGD
Retailer 11$845 SGD
Retailer 5$934 SGD
Retailer 6$971 SGD
Retailer 4$1,321 SGD
Retailer 8$1,349 SGD
Retailer 10$1,448 SGD
Retailer 2$2,190 SGD
Brilliant Earth$3,077 SGD

40 data points across 11 retailers

22 retailers$438 SGD to $3,077 SGD

A
Cheapest Retailer
-
$438 SGD
$342 USD
A
Retailer 2
-
$490 SGD
$382 USD
View
Final sale: no returns
A
Retailer 3
-
$509 SGD
$397 USD
View
A
Retailer 4
-
$544 SGD
$424 USD
View
A
Retailer 5
-
$544 SGD
$424 USD
View
A
Retailer 6
-
$607 SGD
HK$3,700 HKD
View
A
Retailer 7
-
$731 SGD
$570 USD
View
B+
Retailer 8
-
$737 SGD
$575 USD
View
B+
Retailer 9
-
$755 SGD
$589 USD
View
B+
Retailer 10
-
$845 SGD
$659 USD
View
B+
Retailer 11
-
$934 SGD
ZAR 11,772 ZAR
View
B+
Retailer 12
-
$971 SGD
£597 GBP
View
B+
Retailer 13
-
$1,321 SGD
A$1,585 AUD
View
B
Retailer 14
-
$1,349 SGD
$1,052 USD
View
B
Retailer 15
-
$1,448 SGD
View
B
Retailer 16
-
$1,748 SGD
$1,363 USD
View
B
Retailer 17
-
$1,803 SGD
$1,406 USD
View
B
Retailer 18
-
$1,968 SGD
$1,535 USD
View
B
Retailer 19
-
$2,111 SGD
$1,647 USD
View
B
Retailer 20
-
$2,190 SGD
£1,345 GBP
View
B
Retailer 21
-
$2,214 SGD
£1,360 GBP
View
Most Expensive
B
Brilliant Earth
18451958A · Oct 28
$3,077 SGD
$2,400 USD
View
21 more retailers have this diamond
Prices start from $438 SGDSave up to $2,639 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
$438 SGD