Heart|Lab Grown|IGI

1.63ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632399

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632399

Diamond specifications and retailer prices

From $897 SGD
$702 USD
As of October 30, 2026
Save $4,139 SGD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,037 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632399 or 840632399. Listed at 20 retailers as of October 30, 2026, with prices from $897 to $5,037, a $4,139 spread on the same certified stone. Brilliant Earth lists it at $5,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632399
Dimensions7.36 × 8.42 × 4.51 mm
L/W Ratio1.14
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
7.36 mm8.42 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632399
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 53.6%

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: $5,037 SGD|Low: $897 SGD|High: $6,673 SGD|Avg: $2,465 SGD|-24.5%
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 7$897 SGD
Retailer 4$977 SGD
Retailer 18$1,041 SGD
Retailer 9$1,082 SGD
Retailer 11$1,152 SGD
Retailer 14$1,181 SGD
Retailer 19$1,266 SGD
Retailer 6$1,355 SGD
Retailer 3$1,653 SGD
Retailer 2$1,669 SGD
Retailer 17$1,693 SGD
Retailer 16$1,914 SGD
Retailer 13$2,332 SGD
Retailer 20$2,928 SGD
Retailer 8$3,436 SGD
Retailer 5$3,590 SGD
Retailer 15$4,111 SGD
Retailer 12$4,127 SGD
Retailer 10$4,400 SGD
Brilliant Earth$5,037 SGD

24 data points across 20 retailers

20 retailers$897 SGD to $5,037 SGD

A
Cheapest Retailer
-
$897 SGD
$702 USD
A
Retailer 2
-
$977 SGD
$764 USD
View
A
Retailer 3
-
$1,041 SGD
$814 USD
View
Retailer 4
-
$1,082 SGD
$846 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,152 SGD
$901 USD
View
Final sale: no returns
A
Retailer 6
-
$1,181 SGD
£727 GBP
View
A
Retailer 7
-
$1,266 SGD
$990 USD
View
A
Retailer 8
-
$1,355 SGD
$1,060 USD
View
B+
Retailer 9
-
$1,653 SGD
$1,293 USD
View
B+
Retailer 10
-
$1,669 SGD
£1,028 GBP
View
B+
Retailer 11
-
$1,693 SGD
$1,324 USD
View
B+
Retailer 12
-
$1,914 SGD
ZAR 24,185 ZAR
View
B+
Retailer 13
-
$2,332 SGD
$1,824 USD
View
B+
Retailer 14
-
$2,928 SGD
$2,290 USD
View
B+
Retailer 15
-
$3,436 SGD
$2,688 USD
View
B
Retailer 16
-
$3,590 SGD
$2,808 USD
View
B
Retailer 17
-
$4,111 SGD
£2,532 GBP
View
B
Retailer 18
-
$4,127 SGD
View
B
Retailer 19
-
$4,400 SGD
$3,442 USD
View
Most Expensive
B
Brilliant Earth
21738407A · Oct 30
$5,037 SGD
$3,940 USD
View
19 more retailers have this diamond
Prices start from $897 SGDSave up to $4,139 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
1.63ct Heart
$897 SGD