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Heart|Lab Grown|IGI

1.56ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG831676039

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831676039

Diamond specifications and retailer prices

From $194 USD
As of October 30, 2026
Save $1,666 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,860 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown heart diamond

This 1.56ct 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 LG831676039 or 831676039. Listed at 17 retailers as of October 30, 2026, with prices from $194 to $1,860, a $1,666 spread on the same certified stone. Do Amore Diamonds lists it at $1,860. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831676039
Dimensions7.97 × 7.09 × 4.69 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm7.09 mm1.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831676039
Side View
Table 64.0%Crown 36°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $1,860 USD|Low: $187 USD|High: $1,860 USD|Avg: $635 USD|+3.3%
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 4$194 USD
Retailer 14$225 USD
Retailer 3$240 USD
Retailer 17$240 USD
Retailer 18$312 USD
Retailer 16$388 USD
Retailer 8$419 USD
Retailer 11$458 USD
Retailer 2$487 USD
Retailer 6$575 USD
Retailer 13$619 USD
Retailer 15$775 USD
Retailer 10$849 USD
Retailer 5$853 USD
Retailer 9$999 USD
Retailer 7$1,025 USD
Retailer 12$1,069 USD
Do Amore Diamonds$1,860 USD

23 data points across 18 retailers

17 retailers$194 USD to $1,860 USD

A
Cheapest Retailer
-
$194 USD
A
Retailer 2
-
$225 USD
View
Retailer 3
-
$240 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$240 USD
View
Retailer 5
-
$312 USD
£245 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
$388 USD
View
B+
Retailer 7
-
$419 USD
View
A
Retailer 8
-
$458 USD
ZAR 7,400 ZAR
View
A
Retailer 9
-
$487 USD
£384 GBP
View
A
Retailer 10
-
$575 USD
View
A
Retailer 11
-
$619 USD
A$953 AUD
View
B+
Retailer 12
-
$775 USD
View
B+
Retailer 13
-
$853 USD
View
B
Retailer 14
-
$999 USD
View
B
Retailer 15
-
$1,025 USD
View
B
Retailer 16
-
$1,069 USD
£842 GBP
View
Most Expensive
B
Do Amore Diamonds
27-883089B45 · Nov 2
$1,860 USD
View
16 more retailers have this diamond
Prices start from $194 USDSave up to $1,666 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
1.56ct Heart
$194 USD