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Oval|Lab Grown|IGI

3.01ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG678584320

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584320

Diamond specifications and retailer prices

From £335 GBP
$446 USD
As of October 29, 2026
Save £1,715 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,050 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.01ct lab-grown oval diamond

This 3.01ct 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 LG678584320 or 678584320. Listed at 17 retailers as of October 29, 2026, with prices from £335 to £2,050, a £1,715 spread on the same certified stone. Brilliant Earth lists it at £2,050. 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

3.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584320
Dimensions11.18 × 8.23 × 5.19 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.18 mm8.23 mm3.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584320
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.1%

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: £2,050 GBP|Low: £325 GBP|High: £2,050 GBP|Avg: £805 GBP
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
October 30, 2026
Retailer 5£335 GBP
Retailer 3£375 GBP
Retailer 4£384 GBP
Retailer 12£415 GBP
Retailer 9£420 GBP
Retailer 16£522 GBP
Retailer 14£552 GBP
Retailer 2£568 GBP
Retailer 7£639 GBP
Retailer 13£639 GBP
Retailer 10£687 GBP
Retailer 8£1,018 GBP
Retailer 17£1,138 GBP
Retailer 15£1,335 GBP
Retailer 6£1,506 GBP
Retailer 11£1,534 GBP
Brilliant Earth£2,050 GBP

44 data points across 17 retailers

17 retailers£335 GBP to £2,050 GBP

A
Cheapest Retailer
-
£335 GBP
$446 USD
A
Retailer 2
-
£375 GBP
$500 USD
View
A
Retailer 3
-
£384 GBP
$512 USD
View
Final sale: no returns
A
Retailer 4
-
£415 GBP
$553 USD
View
Retailer 5
-
£420 GBP
$559 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£522 GBP
$695 USD
View
B+
Retailer 7
-
£552 GBP
$735 USD
View
A
Retailer 8
-
£568 GBP
View
A
Retailer 9
-
£639 GBP
$851 USD
View
A
Retailer 10
-
£687 GBP
View
B+
Retailer 11
-
£1,018 GBP
$1,355 USD
View
B
Retailer 12
-
£1,138 GBP
$1,515 USD
View
B
Retailer 13
-
£1,335 GBP
$1,778 USD
View
B
Retailer 14
-
£1,506 GBP
$2,005 USD
View
B
Retailer 15
-
£1,534 GBP
View
Retailer 16
-
£1,541 GBP
$2,053 USD
View
Price last confirmed 73 days ago
Most Expensive
B
Brilliant Earth
17470619A · Oct 29
£2,050 GBP
$2,730 USD
View
16 more retailers have this diamond
Prices start from £335 GBPSave up to £1,715 GBP

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
3.01ct Oval
£335 GBP