Oval|Lab Grown|GIA

1.55ct F IF Oval Lab Grown Diamond

ID • F/IF • GIA 6505990919

Certificate GIA 6505990919

Diamond specifications and retailer prices

From $887 USD
As of November 3, 2026
Save $2,773 USD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,660 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6505990919. Listed at 6 retailers as of November 3, 2026, with prices from $887 to $3,660, a $2,773 spread on the same certified stone. Brilliant Earth lists it at $3,660. 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
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6505990919
Dimensions9.76 × 6.45 × 3.94 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
9.76 mm6.45 mm1.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505990919
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.1%

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: $3,660 USD|Low: $860 USD|High: $4,040 USD|Avg: $1,921 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 2$887 USD
Retailer 4$965 USD
Retailer 5$1,028 USD
Retailer 3$2,128 USD
Retailer 6$2,684 USD
Brilliant Earth$3,660 USD

24 data points across 6 retailers

6 retailers$887 USD to $3,660 USD

A
Cheapest Retailer
-
$887 USD
A
Retailer 2
-
$965 USD
View
A
Retailer 3
-
$1,028 USD
View
B+
Retailer 4
-
$2,128 USD
View
B+
Retailer 5
-
$2,684 USD
View
Most Expensive
B
Brilliant Earth
12871200Y · Nov 4
$3,660 USD
View
5 more retailers have this diamond
Prices start from $887 USDSave up to $2,773 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 Oval
$887 USD