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Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG691564698

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG691564698

Diamond specifications and retailer prices

From £264 GBP
$354 USD
As of October 29, 2026
Save £1,240 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,504 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG691564698 or 691564698. Listed at 13 retailers as of October 28, 2026, with prices from £264 to £1,504, a £1,240 spread on the same certified stone. Rare Carat lists it at £1,504. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691564698
Dimensions12.06 × 8.09 × 5.04 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm8.09 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691564698
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: £2,149 GBP|Low: £264 GBP|High: £3,099 GBP|Avg: £1,102 GBP
Rare Carat
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 11£264 GBP
Retailer 5£307 GBP
Retailer 13£328 GBP
Retailer 15£363 GBP
Retailer 12£440 GBP
Retailer 10£448 GBP
Retailer 3£525 GBP
Retailer 14£563 GBP
Retailer 2£590 GBP
Retailer 7£727 GBP
Retailer 9£961 GBP
Retailer 4£1,053 GBP
Retailer 16£1,119 GBP
Rare Carat£2,149 GBP
Retailer 6£3,067 GBP
Retailer 8£3,099 GBP

5 data points across 16 retailers

13 retailers£264 GBP to £1,504 GBP

A
Cheapest Retailer
-
£264 GBP
$354 USD
A
Retailer 2
-
£307 GBP
$411 USD
View
A
Retailer 3
-
£328 GBP
$439 USD
View
A
Retailer 4
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 5
-
£440 GBP
$590 USD
View
A
Retailer 6
-
£448 GBP
View
B+
Retailer 7
-
£525 GBP
$704 USD
View
A
Retailer 8
-
£563 GBP
$754 USD
View
A
Retailer 9
-
£590 GBP
View
B+
Retailer 10
-
£961 GBP
$1,287 USD
View
B+
Retailer 11
-
£1,053 GBP
$1,411 USD
View
B+
Retailer 12
-
£1,119 GBP
$1,500 USD
View
Most Expensive
B
Rare Carat
KI6985646KF691 · Oct 28
£1,504 GBP
$2,015 USD
View
12 more retailers have this diamond
Prices start from £264 GBPSave up to £1,240 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
3.03ct Oval
£264 GBP