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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG770640743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640743

Diamond specifications and retailer prices

From $224 USD
As of November 3, 2026
Save $1,389 USD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,613 USD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770640743 or 770640743. Listed at 24 retailers as of November 3, 2026, with prices from $224 to $1,613, a $1,389 spread on the same certified stone. Helzberg Diamonds lists it at $1,613. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640743
Dimensions7.40 × 7.43 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.43 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640743
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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 3
Current: $431 USD|Low: $213 USD|High: $1,320 USD|Avg: $638 USD|-1.4%
Retailer 1
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Retailer 20
November 4, 2026
Retailer 11$224 USD
Retailer 16$249 USD
Retailer 20$259 USD
Retailer 6$277 USD
Retailer 7$277 USD
Retailer 1$431 USD
Retailer 8$473 USD
Retailer 3$475 USD
Retailer 14$510 USD
Retailer 15$523 USD
Retailer 4$532 USD
Retailer 2$577 USD
Retailer 13$891 USD
Retailer 12$894 USD
Retailer 19$929 USD
Retailer 10$943 USD
Retailer 17$1,111 USD
Retailer 18$1,128 USD
Retailer 9$1,268 USD
Retailer 5$1,320 USD

36 data points across 20 retailers

24 retailers$224 USD to $1,613 USD

A
Cheapest Retailer
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$224 USD
A
Retailer 2
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$249 USD
View
Final sale: no returns
A
Retailer 3
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$259 USD
View
A
Retailer 4
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$277 USD
View
Retailer 5
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$277 USD
View
Price last confirmed 10 days ago
A
Retailer 6
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$431 USD
View
A
Retailer 7
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$473 USD
View
A
Retailer 8
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$475 USD
View
A
Retailer 9
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$510 USD
View
A
Retailer 10
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$523 USD
View
A
Retailer 11
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$532 USD
View
B+
Retailer 12
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$577 USD
View
B+
Retailer 13
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$767 USD
View
Retailer 14
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$798 USD
View
Price last confirmed 93 days ago
B+
Retailer 15
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$891 USD
View
B
Retailer 16
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$894 USD
View
B
Retailer 17
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$929 USD
View
B
Retailer 18
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$943 USD
View
B
Retailer 19
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$1,043 USD
View
B
Retailer 20
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$1,111 USD
View
B
Retailer 21
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$1,128 USD
View
B
Retailer 22
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$1,268 USD
View
Retailer 23
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$1,320 USD
View
Price last confirmed 19 days ago
Most Expensive
B
Helzberg Diamonds
ZXZNNGMKGNKJ · Nov 4
$1,613 USD
View
23 more retailers have this diamond
Prices start from $224 USDSave up to $1,389 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
$224 USD