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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 $1,162 NZD
$655 USD
As of November 1, 2026
Save $5,092 NZD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,254 NZD 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 $1,162 to $6,254, a $5,092 spread on the same certified stone. Novita Diamonds lists it at $6,254. 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: $6,254 NZD|Low: $1,162 NZD|High: $6,343 NZD|Avg: $2,960 NZD|+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$1,162 NZD
Retailer 7$1,301 NZD
Retailer 3$1,406 NZD
Retailer 8$1,977 NZD
Retailer 9$2,844 NZD
Retailer 6$3,027 NZD
Retailer 5$3,382 NZD
Retailer 2$5,092 NZD
Novita Diamonds$6,254 NZD

44 data points across 9 retailers

9 retailers$1,162 NZD to $6,254 NZD

A
Cheapest Retailer
-
$1,162 NZD
$655 USD
A
Retailer 2
-
$1,301 NZD
$733 USD
View
A
Retailer 3
-
$1,406 NZD
£624 GBP
View
A
Retailer 4
-
$1,977 NZD
$1,114 USD
View
B+
Retailer 5
-
$2,844 NZD
$1,603 USD
View
B+
Retailer 6
-
$3,027 NZD
$1,706 USD
View
B+
Retailer 7
-
$3,382 NZD
£1,501 GBP
View
B
Retailer 8
-
$5,092 NZD
$2,870 USD
View
Most Expensive
B
Novita Diamonds
cert_768650527 · Oct 31
$6,254 NZD
A$5,423 AUD
View
8 more retailers have this diamond
Prices start from $1,162 NZDSave up to $5,092 NZD

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
$1,162 NZD