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Oval|Lab Grown|IGI

3.01ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG797618809

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG797618809

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of October 30, 2026
Save £2,499 GBP (89%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,803 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 LG797618809 or 797618809. Listed at 5 retailers as of October 29, 2026, with prices from £305 to £2,803, a £2,499 spread on the same certified stone. Helzberg Diamonds lists it at £2,803. 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
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797618809
Dimensions11.59 × 8.03 × 5.05 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.59 mm8.03 mm3.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797618809
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
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 30
Current: £2,803 GBP|Low: £191 GBP|High: £3,702 GBP|Avg: £895 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4£191 GBP
Retailer 6£305 GBP
Retailer 7£344 GBP
Retailer 8£468 GBP
Retailer 3£504 GBP
Retailer 12£530 GBP
Retailer 11£555 GBP
Retailer 5£632 GBP
Retailer 9£925 GBP
Retailer 10£1,111 GBP
Retailer 2£2,037 GBP
Helzberg Diamonds£2,803 GBP

38 data points across 12 retailers

5 retailers£305 GBP to £2,803 GBP

A
Cheapest Retailer
-
£305 GBP
$408 USD
Final sale: no returns
A
Retailer 2
-
£632 GBP
View
Retailer 3
-
£925 GBP
$1,239 USD
View
Price last confirmed 44 days ago
B
Retailer 4
-
£2,037 GBP
$2,730 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNPNMHOOGP · Oct 29
£2,803 GBP
$3,756 USD
View
4 more retailers have this diamond
Prices start from £305 GBPSave up to £2,499 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
£305 GBP