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Oval|Lab Grown|IGI

3.08ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG746538348

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG746538348

Diamond specifications and retailer prices

From $391 USD
As of October 29, 2026
Save $2,799 USD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,190 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown oval diamond

This 3.08ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG746538348 or 746538348. Listed at 16 retailers as of October 29, 2026, with prices from $391 to $3,190, a $2,799 spread on the same certified stone. Brilliant Earth lists it at $3,190. 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

3.08
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746538348
Dimensions11.70 × 8.26 × 5.15 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm8.26 mm3.08 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746538348
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $3,190 USD|Low: $375 USD|High: $3,550 USD|Avg: $1,142 USD|-10.1%
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
October 31, 2026
Retailer 5$391 USD
Retailer 12$438 USD
Retailer 3$484 USD
Retailer 16$484 USD
Retailer 10$635 USD
Retailer 15$664 USD
Retailer 6$771 USD
Retailer 2$792 USD
Retailer 9$794 USD
Retailer 7$866 USD
Retailer 13$1,359 USD
Retailer 4$1,557 USD
Retailer 8$1,559 USD
Retailer 11$1,902 USD
Retailer 14$2,050 USD
Brilliant Earth$3,190 USD

39 data points across 16 retailers

16 retailers$391 USD to $3,190 USD

A
Cheapest Retailer
-
$391 USD
A
Retailer 2
-
$438 USD
View
A
Retailer 3
-
$484 USD
View
A
Retailer 4
-
$484 USD
View
A
Retailer 5
-
$635 USD
View
Retailer 6
-
$664 USD
£523 GBP
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$771 USD
View
A
Retailer 8
-
$792 USD
€754 EUR
View
A
Retailer 9
-
$794 USD
£625 GBP
View
A
Retailer 10
-
$866 USD
View
B+
Retailer 11
-
$1,359 USD
View
B+
Retailer 12
-
$1,557 USD
View
B+
Retailer 13
-
$1,559 USD
View
B+
Retailer 14
-
$1,902 USD
£1,498 GBP
View
B
Retailer 15
-
$2,050 USD
View
Most Expensive
B
Brilliant Earth
16469915A · Oct 29
$3,190 USD
View
15 more retailers have this diamond
Prices start from $391 USDSave up to $2,799 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
3.08ct Oval
$391 USD