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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG601390194

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG601390194

Diamond specifications and retailer prices

From $529 USD
As of October 29, 2026
Save $3,911 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,440 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG601390194 or 601390194. Listed at 21 retailers as of October 28, 2026, with prices from $529 to $4,440, a $3,911 spread on the same certified stone. Brilliant Earth lists it at $4,440. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG601390194
Dimensions11.55 × 8.24 × 5.17 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
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
11.55 mm8.24 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG601390194
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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: Oct 29
Current: $4,440 USD|Low: $508 USD|High: $4,440 USD|Avg: $1,309 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
November 1, 2026
Retailer 15$529 USD
Retailer 14$592 USD
Retailer 6$656 USD
Retailer 17$656 USD
Retailer 4$813 USD
Retailer 13$850 USD
Retailer 5$928 USD
Retailer 8$936 USD
Retailer 12$1,006 USD
Retailer 10$1,017 USD
Retailer 9$1,079 USD
Retailer 11$1,442 USD
Retailer 3$1,692 USD
Retailer 16$1,725 USD
Retailer 7$2,187 USD
Retailer 2$2,738 USD
Brilliant Earth$4,440 USD

43 data points across 17 retailers

21 retailers$529 USD to $4,440 USD

A
Cheapest Retailer
-
$529 USD
A
Retailer 2
-
$592 USD
View
A
Retailer 3
-
$656 USD
View
Final sale: no returns
A
Retailer 4
-
$656 USD
View
A
Retailer 5
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$755 USD
HK$5,900 HKD
View
Retailer 6
-
$813 USD
£641 GBP
View
Price last confirmed 24 days ago
A
Retailer 7
-
$850 USD
View
B+
Retailer 8
-
$928 USD
View
A
Retailer 9
-
$936 USD
View
A
Retailer 10
-
$1,006 USD
€958 EUR
View
Retailer 11
-
$1,016 USD
£800 GBP
View
Price last confirmed 17 days ago
A
Retailer 12
-
$1,017 USD
£801 GBP
View
A
Retailer 13
-
$1,079 USD
View
B+
Retailer 14
-
$1,442 USD
A$2,218 AUD
View
B+
Retailer 15
-
$1,543 USD
View
B+
Retailer 16
-
$1,692 USD
View
B+
Retailer 17
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$1,725 USD
View
B
Retailer 18
-
$2,131 USD
View
B
Retailer 19
-
$2,187 USD
SGD 2,955 SGD
View
B
Retailer 20
-
$2,738 USD
£2,156 GBP
View
Most Expensive
B
Brilliant Earth
8254016A · Oct 28
$4,440 USD
View
20 more retailers have this diamond
Prices start from $529 USDSave up to $3,911 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
3.05ct Oval
$529 USD