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Round|Lab Grown|IGI

1.55ct F VVS2 Round Lab Grown Diamond

EX • F/VVS2 • IGI LG778657807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657807

Diamond specifications and retailer prices

From $222 USD
As of November 3, 2026
Save $906 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,700 USD at Brilliant Earth · As of October 16, 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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778657807 or 778657807. Listed at 21 retailers as of November 3, 2026, with a 408% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657807
Dimensions7.37 × 7.35 × 4.62 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
7.37 mm7.35 mm1.55 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657807
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 3
Current: $1,700 USD|Low: $222 USD|High: $1,700 USD|Avg: $677 USD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 9$222 USD
Retailer 5$248 USD
Retailer 4$258 USD
Retailer 18$276 USD
Retailer 10$277 USD
Retailer 14$413 USD
Retailer 6$471 USD
Retailer 17$475 USD
Retailer 2$506 USD
Retailer 20$510 USD
Retailer 3$606 USD
Retailer 15$644 USD
Retailer 16$734 USD
Retailer 7$844 USD
Retailer 19$886 USD
Retailer 11$895 USD
Retailer 8$938 USD
Retailer 13$1,101 USD
Retailer 12$1,128 USD
Brilliant Earth$1,700 USD

25 data points across 20 retailers

21 retailers$222 USD to $1,128 USD

A
Cheapest Retailer
-
$222 USD
A
Retailer 2
-
$248 USD
View
Final sale: no returns
A
Retailer 3
-
$258 USD
View
A
Retailer 4
-
$276 USD
View
Retailer 5
-
$277 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$413 USD
View
A
Retailer 7
-
$471 USD
View
A
Retailer 8
-
$475 USD
View
A
Retailer 9
-
$506 USD
View
A
Retailer 10
-
$510 USD
View
B+
Retailer 11
-
$564 USD
View
B+
Retailer 12
-
$606 USD
View
B+
Retailer 13
-
$644 USD
View
B+
Retailer 14
-
$734 USD
View
B+
Retailer 15
-
$844 USD
View
B+
Retailer 16
-
$886 USD
View
B+
Retailer 17
-
$895 USD
View
B+
Retailer 18
-
$938 USD
View
B
Retailer 19
-
$1,101 USD
View
B
Retailer 20
-
$1,128 USD
View
Most Expensive
Brilliant Earth
21501362A · Oct 16
$1,700 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from $222 USDSave up to $906 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
$222 USD