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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 $318 AUD
$223 USD
As of November 2, 2026
Save $3,149 AUD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,467 AUD 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 $318 to $3,467, a $3,149 spread on the same certified stone. Do Amore Diamonds lists it at $3,467. 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: $3,054 AUD|Low: $308 AUD|High: $3,054 AUD|Avg: $1,032 AUD
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
November 2, 2026
Retailer 5$318 AUD
Retailer 18$370 AUD
Retailer 16$394 AUD
Retailer 17$394 AUD
Retailer 19$625 AUD
Retailer 6$672 AUD
Retailer 14$712 AUD
Retailer 12$752 AUD
Retailer 2$827 AUD
Retailer 3$872 AUD
Retailer 15$1,015 AUD
Retailer 7$1,273 AUD
Retailer 11$1,400 AUD
Retailer 9$1,604 AUD
Retailer 4$1,643 AUD
Retailer 10$1,669 AUD
Retailer 8$1,693 AUD
Retailer 13$1,745 AUD
Do Amore Diamonds$3,054 AUD

43 data points across 19 retailers

20 retailers$318 AUD to $3,467 AUD

A
Cheapest Retailer
-
$318 AUD
$223 USD
A
Retailer 2
-
$370 AUD
$259 USD
View
A
Retailer 3
-
$394 AUD
$276 USD
View
Retailer 4
-
$394 AUD
$276 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$625 AUD
$438 USD
View
B+
Retailer 6
-
$672 AUD
$471 USD
View
A
Retailer 7
-
$712 AUD
€475 EUR
View
A
Retailer 8
-
$752 AUD
ZAR 8,510 ZAR
View
A
Retailer 9
-
$827 AUD
£456 GBP
View
A
Retailer 10
-
$872 AUD
$611 USD
View
B+
Retailer 11
-
$1,015 AUD
View
B
Retailer 12
-
$1,273 AUD
$892 USD
View
B+
Retailer 13
-
$1,400 AUD
$981 USD
View
B
Retailer 14
-
$1,604 AUD
$1,124 USD
View
B
Retailer 15
-
$1,643 AUD
$1,152 USD
View
B
Retailer 16
-
$1,669 AUD
$1,170 USD
View
B
Retailer 17
-
$1,693 AUD
SGD 1,603 SGD
View
B
Retailer 18
-
$1,745 AUD
£963 GBP
View
B
Retailer 19
-
$3,054 AUD
$2,140 USD
View
Most Expensive
B
Do Amore Diamonds
23-537213280 · Nov 1
$3,467 AUD
$2,430 USD
View
19 more retailers have this diamond
Prices start from $318 AUDSave up to $3,149 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
1.66ct Heart
$318 AUD