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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG660427669

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG660427669

Diamond specifications and retailer prices

From $262 USD
As of November 6, 2026
Save $1,828 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,090 USD at Brilliant Earth · As of November 7, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG660427669 or 660427669. Listed at 23 retailers as of November 6, 2026, with prices from $262 to $2,090, a $1,828 spread on the same certified stone. Brilliant Earth lists it at $2,090. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660427669
Dimensions7.36 × 8.01 × 4.63 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm8.01 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660427669
Side View
Table 56.0%Crown 33.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 57.8%

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: Nov 6
Current: $2,090 USD|Low: $262 USD|High: $2,200 USD|Avg: $804 USD|-5.0%
Brilliant Earth
Retailer 2
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Retailer 22
November 7, 2026
Retailer 22$262 USD
Retailer 4$293 USD
Retailer 9$304 USD
Retailer 13$325 USD
Retailer 18$362 USD
Retailer 21$485 USD
Retailer 12$493 USD
Retailer 7$542 USD
Retailer 20$550 USD
Retailer 15$556 USD
Retailer 19$617 USD
Retailer 14$667 USD
Retailer 2$690 USD
Retailer 11$768 USD
Retailer 6$999 USD
Retailer 3$1,045 USD
Retailer 5$1,096 USD
Retailer 17$1,150 USD
Retailer 10$1,279 USD
Retailer 16$1,295 USD
Retailer 8$1,391 USD
Brilliant Earth$2,090 USD

33 data points across 22 retailers

23 retailers$262 USD to $2,090 USD

A
Cheapest Retailer
-
$262 USD
Retailer 2
-
$286 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
$293 USD
View
Final sale: no returns
A
Retailer 4
-
$304 USD
View
A
Retailer 5
-
$325 USD
View
A
Retailer 6
-
$362 USD
View
A
Retailer 7
-
$485 USD
View
A
Retailer 8
-
$493 USD
View
A
Retailer 9
-
$542 USD
View
A
Retailer 10
-
$550 USD
View
B+
Retailer 11
-
$556 USD
View
B+
Retailer 12
-
$617 USD
View
B+
Retailer 13
-
$667 USD
View
B+
Retailer 14
-
$690 USD
View
B+
Retailer 15
-
$768 USD
View
B
Retailer 16
-
$999 USD
View
B+
Retailer 17
-
$1,045 USD
View
B
Retailer 18
-
$1,096 USD
View
B
Retailer 19
-
$1,150 USD
View
B
Retailer 20
-
$1,279 USD
View
B
Retailer 21
-
$1,295 USD
View
B
Retailer 22
-
$1,391 USD
View
Most Expensive
B
Brilliant Earth
11997651A · Nov 7
$2,090 USD
View
22 more retailers have this diamond
Prices start from $262 USDSave up to $1,828 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
1.55ct Heart
$262 USD