CaratHunter
Plans
Heart|Lab Grown|IGI

1.57ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG768650527

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG768650527

Diamond specifications and retailer prices

From $932 AUD
$655 USD
As of November 1, 2026
Save $4,086 AUD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,018 AUD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

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 LG768650527 or 768650527. Listed at 9 retailers as of October 31, 2026, with prices from $932 to $5,018, a $4,086 spread on the same certified stone. Novita Diamonds lists it at $5,018. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768650527
Dimensions6.94 × 8.15 × 4.72 mm
L/W Ratio1.17
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
6.94 mm8.15 mm1.57 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768650527
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 57.9%

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: Nov 1
Current: $5,018 AUD|Low: $932 AUD|High: $5,089 AUD|Avg: $2,374 AUD|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$932 AUD
Retailer 7$1,043 AUD
Retailer 2$1,138 AUD
Retailer 8$1,586 AUD
Retailer 9$2,282 AUD
Retailer 6$2,429 AUD
Retailer 5$2,714 AUD
Retailer 3$4,086 AUD
Novita Diamonds$5,018 AUD

45 data points across 9 retailers

9 retailers$932 AUD to $5,018 AUD

A
Cheapest Retailer
-
$932 AUD
$655 USD
A
Retailer 2
-
$1,043 AUD
$733 USD
View
A
Retailer 3
-
$1,138 AUD
£629 GBP
View
A
Retailer 4
-
$1,586 AUD
$1,114 USD
View
B+
Retailer 5
-
$2,282 AUD
$1,603 USD
View
B+
Retailer 6
-
$2,429 AUD
$1,706 USD
View
B+
Retailer 7
-
$2,714 AUD
£1,501 GBP
View
B
Retailer 8
-
$4,086 AUD
$2,870 USD
View
Most Expensive
B
Novita Diamonds
cert_768650527 · Oct 31
$5,018 AUD
View
8 more retailers have this diamond
Prices start from $932 AUDSave up to $4,086 AUD

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
$932 AUD