Round|Lab Grown|IGI

1.55ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG841648487

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841648487

Diamond specifications and retailer prices

From $229 USD
As of November 1, 2026
Save $1,452 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,681 USD at Helzberg Diamonds · As of November 1, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841648487 or 841648487. Listed at 22 retailers as of November 1, 2026, with prices from $229 to $1,681, a $1,452 spread on the same certified stone. Helzberg Diamonds lists it at $1,681. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841648487
Dimensions7.38 × 7.42 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.38 mm7.42 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841648487
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

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 1
Current: $1,681 USD|Low: $229 USD|High: $50,459 USD|Avg: $1,302 USD
Helzberg Diamonds
Retailer 2
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Retailer 22
November 3, 2026
Retailer 15$229 USD
Retailer 7$261 USD
Retailer 8$266 USD
Retailer 14$284 USD
Retailer 21$284 USD
Retailer 17$450 USD
Retailer 4$478 USD
Retailer 12$482 USD
Retailer 18$490 USD
Retailer 20$495 USD
Retailer 2$529 USD
Retailer 10$538 USD
Retailer 13$663 USD
Retailer 16$752 USD
Retailer 9$908 USD
Retailer 5$912 USD
Retailer 11$965 USD
Retailer 3$1,071 USD
Retailer 19$1,138 USD
Retailer 22$1,140 USD
Retailer 6$1,286 USD
Helzberg Diamonds$1,681 USD

17 data points across 22 retailers

22 retailers$229 USD to $1,681 USD

A
Cheapest Retailer
-
$229 USD
A
Retailer 2
-
$261 USD
View
Final sale: no returns
A
Retailer 3
-
$266 USD
View
Retailer 4
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$284 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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$284 USD
View
A
Retailer 6
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$450 USD
£354 GBP
View
A
Retailer 7
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$478 USD
View
A
Retailer 8
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$482 USD
View
A
Retailer 9
-
$490 USD
ZAR 7,917 ZAR
View
A
Retailer 10
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$495 USD
€471 EUR
View
A
Retailer 11
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$529 USD
£417 GBP
View
A
Retailer 12
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$538 USD
View
B+
Retailer 13
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$663 USD
A$1,020 AUD
View
B+
Retailer 14
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$752 USD
View
B
Retailer 15
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$908 USD
View
B+
Retailer 16
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$912 USD
View
B
Retailer 17
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$965 USD
View
B
Retailer 18
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$1,071 USD
View
B
Retailer 19
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$1,138 USD
£896 GBP
View
Retailer 20
-
$1,140 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$1,286 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKHMKOKON · Nov 1
$1,681 USD
View
21 more retailers have this diamond
Prices start from $229 USDSave up to $1,452 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
$229 USD