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Round|Lab Grown|IGI

1.55ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG799615757

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799615757

Diamond specifications and retailer prices

From $295 USD
As of November 3, 2026
Save $2,325 USD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,880 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799615757 or 799615757. Listed at 23 retailers as of November 3, 2026, with a 788% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799615757
Dimensions7.45 × 7.39 × 4.60 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
7.45 mm7.39 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799615757
Side View
Table 57.0%Crown 34.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,611 USD|Low: $283 USD|High: $1,635 USD|Avg: $794 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 2$295 USD
Retailer 5$342 USD
Retailer 3$365 USD
Retailer 6$365 USD
Retailer 15$520 USD
Retailer 9$638 USD
Retailer 11$695 USD
Retailer 13$700 USD
Retailer 8$711 USD
Retailer 10$947 USD
Retailer 12$1,029 USD
Retailer 14$1,122 USD
Retailer 4$1,296 USD
Retailer 7$1,404 USD
Retailer 1$1,611 USD

35 data points across 15 retailers

23 retailers$295 USD to $2,620 USD

A
Cheapest Retailer
-
$295 USD
A
Retailer 2
-
$329 USD
View
Final sale: no returns
A
Retailer 3
-
$342 USD
View
Retailer 4
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$365 USD
View
Price last confirmed 11 days ago
A
Retailer 5
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$365 USD
View
A
Retailer 6
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$384 USD
View
A
Retailer 7
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$488 USD
View
A
Retailer 8
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$520 USD
View
B+
Retailer 9
-
$638 USD
View
B+
Retailer 10
-
$695 USD
View
B+
Retailer 11
-
$700 USD
View
B+
Retailer 12
-
$702 USD
View
B+
Retailer 13
-
$711 USD
View
B+
Retailer 14
-
$947 USD
View
B+
Retailer 15
-
$1,029 USD
View
B
Retailer 16
-
$1,122 USD
View
B
Retailer 17
-
$1,296 USD
View
B
Retailer 18
-
$1,404 USD
View
B
Retailer 19
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$1,457 USD
View
B
Retailer 20
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$1,491 USD
View
B
Retailer 21
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$1,611 USD
View
B
Retailer 22
-
$2,620 USD
View
Most Expensive
Do Amore Diamonds
23-799615757 · Nov 4
$2,880 USD
View
Price under review
22 more retailers have this diamond
Prices start from $295 USDSave up to $2,325 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
$295 USD