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Oval|Lab Grown|IGI

1.55ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG778639794

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778639794

Diamond specifications and retailer prices

From $554 USD
As of October 26, 2026
Save $3,976 USD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,530 USD at Brilliant Earth · As of October 28, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778639794 or 778639794. Listed at 24 retailers as of October 26, 2026, with prices from $554 to $4,530, a $3,976 spread on the same certified stone. Brilliant Earth lists it at $4,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778639794
Dimensions9.23 × 6.54 × 4.09 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm6.54 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778639794
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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: Oct 26
Current: $4,530 USD|Low: $620 USD|High: $4,530 USD|Avg: $1,738 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
October 28, 2026
Retailer 12$659 USD
Retailer 5$687 USD
Retailer 11$820 USD
Retailer 8$905 USD
Retailer 9$1,062 USD
Retailer 10$1,067 USD
Retailer 15$1,088 USD
Retailer 7$1,152 USD
Retailer 2$1,182 USD
Retailer 16$1,544 USD
Retailer 6$1,996 USD
Retailer 17$2,213 USD
Retailer 4$2,230 USD
Retailer 3$2,518 USD
Retailer 13$2,988 USD
Retailer 14$3,750 USD
Brilliant Earth$4,530 USD

35 data points across 17 retailers

24 retailers$554 USD to $4,530 USD

A
Cheapest Retailer
-
$554 USD
A
Retailer 2
-
$621 USD
View
A
Retailer 3
-
$659 USD
View
Final sale: no returns
A
Retailer 4
-
$687 USD
View
A
Retailer 5
-
$687 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$820 USD
View
A
Retailer 7
-
$905 USD
View
A
Retailer 8
-
$1,062 USD
View
A
Retailer 9
-
$1,067 USD
£840 GBP
View
B+
Retailer 10
-
$1,088 USD
€1,036 EUR
View
B+
Retailer 11
-
$1,152 USD
View
B+
Retailer 12
-
$1,182 USD
ZAR 19,088 ZAR
View
B+
Retailer 13
-
$1,544 USD
View
B+
Retailer 14
-
$1,808 USD
View
B
Retailer 15
-
$1,816 USD
View
Price last confirmed 43 days ago
B+
Retailer 16
-
$1,996 USD
£1,572 GBP
View
B+
Retailer 17
-
$2,213 USD
View
B+
Retailer 18
-
$2,230 USD
View
B+
Retailer 19
-
$2,308 USD
View
B
Retailer 20
-
$2,402 USD
SGD 3,246 SGD
View
B
Retailer 21
-
$2,518 USD
View
B
Retailer 22
-
$2,988 USD
£2,353 GBP
View
B
Retailer 23
-
$3,750 USD
View
Most Expensive
B
Brilliant Earth
21417346A · Oct 28
$4,530 USD
View
23 more retailers have this diamond
Prices start from $554 USDSave up to $3,976 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
$554 USD