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Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG678584074

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584074

Diamond specifications and retailer prices

From $449 USD
As of October 29, 2026
Save $2,301 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,750 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct 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 LG678584074 or 678584074. Listed at 18 retailers as of October 29, 2026, with prices from $449 to $2,750, a $2,301 spread on the same certified stone. Brilliant Earth lists it at $2,750. 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

3.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584074
Dimensions11.21 × 8.30 × 5.13 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm8.30 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584074
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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: $2,750 USD|Low: $435 USD|High: $2,910 USD|Avg: $1,115 USD|-5.5%
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 6$449 USD
Retailer 4$503 USD
Retailer 5$516 USD
Retailer 12$556 USD
Retailer 16$700 USD
Retailer 14$740 USD
Retailer 11$761 USD
Retailer 13$855 USD
Retailer 2$875 USD
Retailer 9$913 USD
Retailer 10$1,336 USD
Retailer 3$1,534 USD
Retailer 15$1,789 USD
Retailer 8$2,020 USD
Retailer 7$2,068 USD
Brilliant Earth$2,750 USD

42 data points across 16 retailers

18 retailers$449 USD to $2,750 USD

A
Cheapest Retailer
-
$449 USD
A
Retailer 2
-
$503 USD
View
A
Retailer 3
-
$516 USD
View
Final sale: no returns
A
Retailer 4
-
$556 USD
View
Retailer 5
-
$562 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$700 USD
View
B+
Retailer 7
-
$740 USD
View
A
Retailer 8
-
$761 USD
£599 GBP
View
A
Retailer 9
-
$855 USD
View
A
Retailer 10
-
$875 USD
€833 EUR
View
A
Retailer 11
-
$913 USD
£719 GBP
View
B+
Retailer 12
-
$1,336 USD
View
B+
Retailer 13
-
$1,534 USD
View
B+
Retailer 14
-
$1,789 USD
View
B
Retailer 15
-
$2,020 USD
View
B
Retailer 16
-
$2,068 USD
£1,628 GBP
View
Retailer 17
-
$2,069 USD
View
Price last confirmed 75 days ago
Most Expensive
B
Brilliant Earth
17471284A · Oct 29
$2,750 USD
View
17 more retailers have this diamond
Prices start from $449 USDSave up to $2,301 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
3.03ct Oval
$449 USD