CaratHunter
Plans
Heart|Lab Grown|IGI

1.57ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG618401799

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG618401799

Diamond specifications and retailer prices

From $1,099 SGD
$860 USD
As of October 30, 2026
Save $4,756 SGD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,855 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618401799 or 618401799. Listed at 22 retailers as of October 30, 2026, with prices from $1,099 to $5,855, a $4,756 spread on the same certified stone. Brilliant Earth lists it at $5,855. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618401799
Dimensions7.38 × 8.05 × 4.60 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
7.38 mm8.05 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618401799
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 57.1%

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: $5,855 SGD|Low: $1,080 SGD|High: $5,868 SGD|Avg: $2,692 SGD|-0.2%
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
November 1, 2026
Retailer 8$1,099 SGD
Retailer 4$1,197 SGD
Retailer 17$1,276 SGD
Retailer 14$1,318 SGD
Retailer 5$1,502 SGD
Retailer 18$1,572 SGD
Retailer 6$1,627 SGD
Retailer 11$1,826 SGD
Retailer 2$1,961 SGD
Retailer 13$2,286 SGD
Retailer 19$2,344 SGD
Retailer 15$2,673 SGD
Retailer 12$3,175 SGD
Retailer 3$3,586 SGD
Retailer 7$3,990 SGD
Retailer 10$4,423 SGD
Retailer 16$4,577 SGD
Retailer 9$4,786 SGD
Brilliant Earth$5,855 SGD

34 data points across 19 retailers

22 retailers$1,099 SGD to $5,855 SGD

A
Cheapest Retailer
-
$1,099 SGD
$860 USD
A
Retailer 2
-
$1,197 SGD
$936 USD
View
A
Retailer 3
-
$1,276 SGD
$998 USD
View
Retailer 4
-
$1,305 SGD
$1,021 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,318 SGD
$1,031 USD
View
Final sale: no returns
B+
Retailer 6
-
$1,502 SGD
$1,175 USD
View
B+
Retailer 7
-
$1,572 SGD
$1,230 USD
View
B+
Retailer 8
-
$1,627 SGD
$1,273 USD
View
B+
Retailer 9
-
$1,826 SGD
$1,428 USD
View
B+
Retailer 10
-
$1,961 SGD
£1,208 GBP
View
B+
Retailer 11
-
$2,286 SGD
€1,703 EUR
View
B+
Retailer 12
-
$2,344 SGD
ZAR 29,624 ZAR
View
B+
Retailer 13
-
$2,673 SGD
$2,091 USD
View
Retailer 14
-
$3,164 SGD
A$3,807 AUD
View
Price last confirmed 156 days ago
B+
Retailer 15
-
$3,175 SGD
A$3,821 AUD
View
B
Retailer 16
-
$3,586 SGD
$2,805 USD
View
B
Retailer 17
-
$3,776 SGD
$2,954 USD
View
B
Retailer 18
-
$3,990 SGD
$3,121 USD
View
B
Retailer 19
-
$4,423 SGD
$3,460 USD
View
B
Retailer 20
-
$4,577 SGD
$3,580 USD
View
B
Retailer 21
-
$4,786 SGD
£2,948 GBP
View
Most Expensive
B
Brilliant Earth
11243115A · Oct 31
$5,855 SGD
$4,580 USD
View
21 more retailers have this diamond
Prices start from $1,099 SGDSave up to $4,756 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
1.57ct Heart
$1,099 SGD