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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG838619284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG838619284

Diamond specifications and retailer prices

From $279 SGD
$218 USD
As of October 30, 2026
Save $1,524 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,803 SGD at Brilliant Earth · As of October 30, 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 LG838619284 or 838619284. Listed at 18 retailers as of October 30, 2026, with prices from $279 to $1,803, a $1,524 spread on the same certified stone. Brilliant Earth lists it at $1,803. 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 angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619284
Dimensions6.20 × 6.81 × 4.10 mm
L/W Ratio1.10
Girdle conditionFaceted
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
6.20 mm6.81 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619284
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

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: $1,803 SGD|Low: $279 SGD|High: $1,803 SGD|Avg: $689 SGD
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
October 31, 2026
Retailer 16$279 SGD
Retailer 11$312 SGD
Retailer 7$348 SGD
Retailer 15$357 SGD
Retailer 17$372 SGD
Retailer 10$375 SGD
Retailer 6$409 SGD
Retailer 14$467 SGD
Retailer 18$624 SGD
Retailer 8$640 SGD
Retailer 2$642 SGD
Retailer 4$667 SGD
Retailer 9$908 SGD
Retailer 12$936 SGD
Retailer 5$1,197 SGD
Retailer 13$1,200 SGD
Retailer 3$1,500 SGD
Brilliant Earth$1,803 SGD

21 data points across 18 retailers

18 retailers$279 SGD to $1,803 SGD

A
Cheapest Retailer
-
$279 SGD
$218 USD
A
Retailer 2
-
$312 SGD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$348 SGD
$272 USD
View
A
Retailer 4
-
$357 SGD
£220 GBP
View
A
Retailer 5
-
$372 SGD
$291 USD
View
A
Retailer 6
-
$375 SGD
$293 USD
View
A
Retailer 7
-
$409 SGD
HK$2,500 HKD
View
A
Retailer 8
-
$467 SGD
$365 USD
View
A
Retailer 9
-
$624 SGD
€465 EUR
View
A
Retailer 10
-
$640 SGD
ZAR 8,082 ZAR
View
A
Retailer 11
-
$642 SGD
£396 GBP
View
A
Retailer 12
-
$667 SGD
$522 USD
View
B+
Retailer 13
-
$908 SGD
A$1,093 AUD
View
B+
Retailer 14
-
$936 SGD
View
B+
Retailer 15
-
$1,197 SGD
$936 USD
View
B
Retailer 16
-
$1,200 SGD
$939 USD
View
B
Retailer 17
-
$1,500 SGD
£924 GBP
View
Most Expensive
B
Brilliant Earth
21621117A · Oct 30
$1,803 SGD
$1,410 USD
View
17 more retailers have this diamond
Prices start from $279 SGDSave up to $1,524 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
$279 SGD