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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 $223 USD
As of November 2, 2026
Save $2,207 USD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,430 USD 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 $223 to $2,430, a $2,207 spread on the same certified stone. Do Amore Diamonds lists it at $2,430. 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
Color
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: $2,140 USD|Low: $216 USD|High: $2,140 USD|Avg: $723 USD
Do Amore Diamonds
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November 2, 2026
Retailer 5$223 USD
Retailer 18$259 USD
Retailer 16$276 USD
Retailer 17$276 USD
Retailer 19$438 USD
Retailer 6$471 USD
Retailer 14$499 USD
Retailer 12$527 USD
Retailer 2$580 USD
Retailer 3$611 USD
Retailer 15$711 USD
Retailer 7$892 USD
Retailer 11$981 USD
Retailer 9$1,124 USD
Retailer 4$1,152 USD
Retailer 10$1,170 USD
Retailer 8$1,186 USD
Retailer 13$1,223 USD
Do Amore Diamonds$2,140 USD

44 data points across 19 retailers

20 retailers$223 USD to $2,430 USD

A
Cheapest Retailer
-
$223 USD
A
Retailer 2
-
$259 USD
View
A
Retailer 3
-
$276 USD
View
Retailer 4
-
$276 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$438 USD
View
B+
Retailer 6
-
$471 USD
View
A
Retailer 7
-
$499 USD
€475 EUR
View
A
Retailer 8
-
$527 USD
ZAR 8,510 ZAR
View
A
Retailer 9
-
$580 USD
£456 GBP
View
A
Retailer 10
-
$611 USD
View
B+
Retailer 11
-
$711 USD
A$1,094 AUD
View
B
Retailer 12
-
$892 USD
View
B+
Retailer 13
-
$981 USD
View
B
Retailer 14
-
$1,124 USD
View
B
Retailer 15
-
$1,152 USD
View
B
Retailer 16
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$1,170 USD
View
B
Retailer 17
-
$1,186 USD
SGD 1,603 SGD
View
B
Retailer 18
-
$1,223 USD
£963 GBP
View
B
Retailer 19
-
$2,140 USD
View
Most Expensive
B
Do Amore Diamonds
23-537213280 · Nov 1
$2,430 USD
View
19 more retailers have this diamond
Prices start from $223 USDSave up to $2,207 USD

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
$223 USD