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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG678584138

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584138

Diamond specifications and retailer prices

From €328 EUR
$366 USD
As of October 27, 2026
Save €1,677 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,005 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown oval diamond

This 3.07ct 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 LG678584138 or 678584138. Listed at 17 retailers as of October 27, 2026, with prices from €328 to €2,005, a €1,677 spread on the same certified stone. Brilliant Earth lists it at €2,005. 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

3.07
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584138
Dimensions12.07 × 8.24 × 5.06 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.24 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584138
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.4%

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: €2,005 EUR|Low: €328 EUR|High: €2,005 EUR|Avg: €841 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
November 1, 2026
Retailer 4€328 EUR
Retailer 12€375 EUR
Retailer 3€380 EUR
Retailer 7€440 EUR
Retailer 8€440 EUR
Retailer 15€542 EUR
Retailer 11€546 EUR
Retailer 13€689 EUR
Retailer 2€734 EUR
Retailer 9€764 EUR
Retailer 16€974 EUR
Retailer 10€1,020 EUR
Retailer 14€1,307 EUR
Retailer 6€1,701 EUR
Retailer 5€1,722 EUR
Brilliant Earth€2,005 EUR

46 data points across 16 retailers

17 retailers€328 EUR to €2,005 EUR

A
Cheapest Retailer
-
€328 EUR
$366 USD
A
Retailer 2
-
€375 EUR
$419 USD
View
Final sale: no returns
A
Retailer 3
-
€380 EUR
$425 USD
View
Retailer 4
-
€440 EUR
$492 USD
View
Price last confirmed 7 days ago
Retailer 5
-
€440 EUR
$492 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€542 EUR
$605 USD
View
B+
Retailer 7
-
€546 EUR
$610 USD
View
A
Retailer 8
-
€689 EUR
$770 USD
View
A
Retailer 9
-
€734 EUR
£645 GBP
View
A
Retailer 10
-
€764 EUR
View
B+
Retailer 11
-
€974 EUR
$1,088 USD
View
B+
Retailer 12
-
€1,020 EUR
$1,140 USD
View
B+
Retailer 13
-
€1,307 EUR
$1,460 USD
View
Retailer 14
-
€1,701 EUR
$1,900 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
€1,722 EUR
£1,515 GBP
View
B
Retailer 16
-
€2,005 EUR
$2,240 USD
View
Most Expensive
B
Brilliant Earth
17470963A · Oct 31
€2,005 EUR
$2,240 USD
View
16 more retailers have this diamond
Prices start from €328 EURSave up to €1,677 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
3.07ct Oval
€328 EUR