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Heart|Lab Grown|IGI

1.66ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG537213280

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537213280

Diamond specifications and retailer prices

From $396 NZD
$223 USD
As of November 2, 2026
Save $3,923 NZD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,319 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.66ct lab-grown heart diamond

This 1.66ct 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 LG537213280 or 537213280. Listed at 20 retailers as of November 1, 2026, with prices from $396 to $4,319, a $3,923 spread on the same certified stone. Do Amore Diamonds lists it at $4,319. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537213280
Dimensions7.53 × 8.10 × 4.73 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.53 mm8.10 mm1.66 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537213280
Side View
Table 57.5%Crown 42°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 58.4%

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 2
Current: $3,803 NZD|Low: $384 NZD|High: $3,803 NZD|Avg: $1,286 NZD
Do Amore Diamonds
Retailer 2
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Retailer 19
November 2, 2026
Retailer 5$396 NZD
Retailer 18$460 NZD
Retailer 16$491 NZD
Retailer 17$491 NZD
Retailer 19$778 NZD
Retailer 6$837 NZD
Retailer 14$886 NZD
Retailer 12$936 NZD
Retailer 2$1,030 NZD
Retailer 3$1,086 NZD
Retailer 15$1,264 NZD
Retailer 7$1,585 NZD
Retailer 11$1,744 NZD
Retailer 9$1,998 NZD
Retailer 4$2,047 NZD
Retailer 10$2,079 NZD
Retailer 8$2,108 NZD
Retailer 13$2,174 NZD
Do Amore Diamonds$3,803 NZD

43 data points across 19 retailers

20 retailers$396 NZD to $4,319 NZD

A
Cheapest Retailer
-
$396 NZD
$223 USD
A
Retailer 2
-
$460 NZD
$259 USD
View
A
Retailer 3
-
$491 NZD
$276 USD
View
Retailer 4
-
$491 NZD
$276 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$778 NZD
$438 USD
View
B+
Retailer 6
-
$837 NZD
$471 USD
View
A
Retailer 7
-
$886 NZD
€475 EUR
View
A
Retailer 8
-
$936 NZD
ZAR 8,510 ZAR
View
A
Retailer 9
-
$1,030 NZD
£456 GBP
View
A
Retailer 10
-
$1,086 NZD
$611 USD
View
B+
Retailer 11
-
$1,264 NZD
A$1,094 AUD
View
B
Retailer 12
-
$1,585 NZD
$892 USD
View
B+
Retailer 13
-
$1,744 NZD
$981 USD
View
B
Retailer 14
-
$1,998 NZD
$1,124 USD
View
B
Retailer 15
-
$2,047 NZD
$1,152 USD
View
B
Retailer 16
-
$2,079 NZD
$1,170 USD
View
B
Retailer 17
-
$2,108 NZD
SGD 1,603 SGD
View
B
Retailer 18
-
$2,174 NZD
£963 GBP
View
B
Retailer 19
-
$3,803 NZD
$2,140 USD
View
Most Expensive
B
Do Amore Diamonds
23-537213280 · Nov 1
$4,319 NZD
$2,430 USD
View
19 more retailers have this diamond
Prices start from $396 NZDSave up to $3,923 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
1.66ct Heart
$396 NZD