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Heart|Lab Grown|IGI

1.59ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG706561557

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG706561557

Diamond specifications and retailer prices

From $638 NZD
$359 USD
As of November 1, 2026
Save $2,549 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,187 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG706561557 or 706561557. Listed at 16 retailers as of October 31, 2026, with prices from $638 to $3,187, a $2,549 spread on the same certified stone. Taylor and Hart lists it at $3,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706561557
Dimensions7.46 × 7.94 × 4.73 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.46 mm7.94 mm1.59 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706561557
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.6%

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: Nov 1
Current: $1,262 NZD|Low: $457 NZD|High: $2,924 NZD|Avg: $1,529 NZD|+3.2%
Retailer 1
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
November 2, 2026
Retailer 12$571 NZD
Retailer 4$638 NZD
Retailer 13$707 NZD
Retailer 6$994 NZD
Retailer 9$995 NZD
Retailer 3$1,148 NZD
Retailer 7$1,219 NZD
Retailer 1$1,262 NZD
Retailer 10$1,649 NZD
Retailer 11$2,074 NZD
Retailer 2$2,273 NZD
Retailer 5$2,553 NZD
Retailer 14$2,717 NZD
Retailer 8$2,833 NZD

43 data points across 14 retailers

16 retailers$638 NZD to $3,187 NZD

Retailer 1
-
$571 NZD
$321 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$638 NZD
$359 USD
View
Final sale: no returns
Retailer 3
-
$661 NZD
$372 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$707 NZD
$398 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$994 NZD
$559 USD
View
A
Retailer 6
-
$995 NZD
$560 USD
View
B+
Retailer 7
-
$1,148 NZD
$646 USD
View
B+
Retailer 8
-
$1,219 NZD
ZAR 11,083 ZAR
View
B+
Retailer 9
-
$1,262 NZD
£559 GBP
View
B+
Retailer 10
-
$1,649 NZD
A$1,427 AUD
View
B
Retailer 11
-
$2,074 NZD
$1,167 USD
View
Retailer 12
-
$2,273 NZD
$1,279 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$2,553 NZD
SGD 1,941 SGD
View
B
Retailer 14
-
$2,717 NZD
$1,529 USD
View
B
Retailer 15
-
$2,833 NZD
£1,255 GBP
View
Most Expensive
B
Taylor and Hart
KX1U5P0 · Oct 31
$3,187 NZD
$1,793 USD
View
15 more retailers have this diamond
Prices start from $638 NZDSave up to $2,549 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
1.59ct Heart
$638 NZD