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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 €586 EUR
$655 USD
As of November 1, 2026
Save €2,569 EUR (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,155 EUR 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 €586 to €3,155, a €2,569 spread on the same certified stone. Novita Diamonds lists it at €3,155. 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

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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: Nov 1
Current: €3,155 EUR|Low: €586 EUR|High: €3,200 EUR|Avg: €1,493 EUR|+1.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€586 EUR
Retailer 7€656 EUR
Retailer 3€709 EUR
Retailer 8€997 EUR
Retailer 9€1,435 EUR
Retailer 6€1,527 EUR
Retailer 5€1,706 EUR
Retailer 2€2,569 EUR
Novita Diamonds€3,155 EUR

44 data points across 9 retailers

9 retailers€586 EUR to €3,155 EUR

A
Cheapest Retailer
-
€586 EUR
$655 USD
A
Retailer 2
-
€656 EUR
$733 USD
View
A
Retailer 3
-
€709 EUR
£624 GBP
View
A
Retailer 4
-
€997 EUR
$1,114 USD
View
B+
Retailer 5
-
€1,435 EUR
$1,603 USD
View
B+
Retailer 6
-
€1,527 EUR
$1,706 USD
View
B+
Retailer 7
-
€1,706 EUR
£1,501 GBP
View
B
Retailer 8
-
€2,569 EUR
$2,870 USD
View
Most Expensive
B
Novita Diamonds
cert_768650527 · Oct 31
€3,155 EUR
A$5,423 AUD
View
8 more retailers have this diamond
Prices start from €586 EURSave up to €2,569 EUR

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
€586 EUR