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Round|Lab Grown|IGI

1.55ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG766643378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766643378

Diamond specifications and retailer prices

From $271 USD
As of October 29, 2026
Save $2,439 USD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,710 USD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG766643378 or 766643378. Listed at 25 retailers as of October 25, 2026, with prices from $271 to $2,710, a $2,439 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766643378
Dimensions7.38 × 7.43 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.43 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766643378
Side View
Table 55.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

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: Oct 29
Current: $2,710 USD|Low: $267 USD|High: $2,710 USD|Avg: $753 USD
Brilliant Earth
Retailer 2
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Retailer 25
October 30, 2026
Retailer 5$271 USD
Retailer 10$304 USD
Retailer 25$315 USD
Retailer 17$336 USD
Retailer 18$336 USD
Retailer 12$471 USD
Retailer 24$495 USD
Retailer 21$533 USD
Retailer 2$557 USD
Retailer 23$578 USD
Retailer 19$590 USD
Retailer 20$642 USD
Retailer 4$647 USD
Retailer 9$675 USD
Retailer 15$709 USD
Retailer 22$783 USD
Retailer 3$860 USD
Retailer 14$1,048 USD
Retailer 7$1,082 USD
Retailer 11$1,132 USD
Retailer 16$1,295 USD
Retailer 13$1,337 USD
Retailer 8$1,355 USD
Retailer 6$1,421 USD
Brilliant Earth$2,710 USD

32 data points across 25 retailers

25 retailers$271 USD to $2,710 USD

A
Cheapest Retailer
-
$271 USD
A
Retailer 2
-
$304 USD
View
Final sale: no returns
A
Retailer 3
-
$315 USD
View
A
Retailer 4
-
$336 USD
View
A
Retailer 5
-
$336 USD
View
Retailer 6
-
$471 USD
£371 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$533 USD
€508 EUR
View
A
Retailer 9
-
$557 USD
View
A
Retailer 10
-
$578 USD
ZAR 9,340 ZAR
View
A
Retailer 11
-
$590 USD
£464 GBP
View
B+
Retailer 12
-
$642 USD
A$988 AUD
View
B+
Retailer 13
-
$647 USD
View
B+
Retailer 14
-
$675 USD
View
B+
Retailer 15
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$709 USD
View
B+
Retailer 16
-
$783 USD
A$1,204 AUD
View
B+
Retailer 17
-
$860 USD
View
B+
Retailer 18
-
$1,048 USD
View
B
Retailer 19
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$1,082 USD
View
B
Retailer 20
-
$1,132 USD
View
B
Retailer 21
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$1,295 USD
View
B+
Retailer 22
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$1,337 USD
A$2,057 AUD
View
B+
Retailer 23
-
$1,355 USD
£1,067 GBP
View
B
Retailer 24
-
$1,421 USD
View
Most Expensive
B
Brilliant Earth
17733704A · Oct 25
$2,710 USD
View
24 more retailers have this diamond
Prices start from $271 USDSave up to $2,439 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 Round
$271 USD