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Oval|Lab Grown|IGI

3.05ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584132

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584132

Diamond specifications and retailer prices

From €326 EUR
$364 USD
As of October 27, 2026
Save €1,670 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,996 EUR at Brilliant Earth · As of October 31, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584132 or 678584132. Listed at 17 retailers as of October 27, 2026, with prices from €326 to €1,996, a €1,670 spread on the same certified stone. Brilliant Earth lists it at €1,996. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584132
Dimensions11.67 × 8.25 × 5.11 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
11.67 mm8.25 mm3.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584132
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.9%

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 27
Current: €1,996 EUR|Low: €326 EUR|High: €1,996 EUR|Avg: €821 EUR
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 3€326 EUR
Retailer 16€372 EUR
Retailer 15€378 EUR
Retailer 7€438 EUR
Retailer 8€438 EUR
Retailer 13€537 EUR
Retailer 10€544 EUR
Retailer 11€687 EUR
Retailer 2€729 EUR
Retailer 4€759 EUR
Retailer 14€961 EUR
Retailer 9€1,014 EUR
Retailer 12€1,299 EUR
Retailer 6€1,687 EUR
Retailer 5€1,712 EUR
Brilliant Earth€1,996 EUR

45 data points across 16 retailers

17 retailers€326 EUR to €1,996 EUR

A
Cheapest Retailer
-
€326 EUR
$364 USD
A
Retailer 2
-
€372 EUR
$416 USD
View
Final sale: no returns
A
Retailer 3
-
€378 EUR
$422 USD
View
A
Retailer 4
-
€438 EUR
$489 USD
View
A
Retailer 5
-
€438 EUR
$489 USD
View
A
Retailer 6
-
€537 EUR
$600 USD
View
B+
Retailer 7
-
€544 EUR
$608 USD
View
A
Retailer 8
-
€687 EUR
$767 USD
View
A
Retailer 9
-
€729 EUR
£641 GBP
View
A
Retailer 10
-
€759 EUR
View
B+
Retailer 11
-
€961 EUR
$1,074 USD
View
B+
Retailer 12
-
€1,014 EUR
$1,133 USD
View
Retailer 13
-
€1,227 EUR
$1,371 USD
View
Price last confirmed 15 days ago
B+
Retailer 14
-
€1,299 EUR
$1,451 USD
View
Retailer 15
-
€1,687 EUR
$1,885 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
€1,712 EUR
£1,506 GBP
View
Most Expensive
B
Brilliant Earth
17470285A · Oct 31
€1,996 EUR
$2,230 USD
View
16 more retailers have this diamond
Prices start from €326 EURSave up to €1,670 EUR

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
€326 EUR