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Round|Lab Grown|IGI

3.08ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG835663695

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835663695

Diamond specifications and retailer prices

From £305 GBP
As of November 5, 2026
Save £1,181 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,486 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round 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 LG835663695 or 835663695. Listed at 11 retailers as of November 4, 2026, with prices from £305 to £1,486, a £1,181 spread on the same certified stone. Rare Carat lists it at £1,486. 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

3.08
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835663695
Dimensions9.35 × 9.39 × 5.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.35 mm9.39 mm3.08 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835663695
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: Nov 5
Current: £1,486 GBP|Low: £279 GBP|High: £1,553 GBP|Avg: £884 GBP|-4.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6£305 GBP
Retailer 5£342 GBP
Retailer 2£502 GBP
Retailer 9£583 GBP
Retailer 11£651 GBP
Retailer 8£1,033 GBP
Retailer 10£1,033 GBP
Retailer 4£1,216 GBP
Retailer 7£1,438 GBP
Retailer 3£1,456 GBP
Rare Carat£1,486 GBP

34 data points across 11 retailers

11 retailers£305 GBP to £1,486 GBP

A
Cheapest Retailer
-
£305 GBP
A
Retailer 2
-
£342 GBP
View
A
Retailer 3
-
£502 GBP
View
Retailer 4
-
£583 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£651 GBP
View
B
Retailer 6
-
£1,033 GBP
View
B
Retailer 7
-
£1,033 GBP
View
B
Retailer 8
-
£1,216 GBP
View
B
Retailer 9
-
£1,438 GBP
View
Retailer 10
-
£1,456 GBP
View
Price last confirmed 24 days ago
Most Expensive
B
Rare Carat
LGRD30-147075 · Nov 4
£1,486 GBP
$2,000 USD
View
10 more retailers have this diamond
Prices start from £305 GBPSave up to £1,181 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
3.08ct Round
£305 GBP