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Round|Lab Grown|IGI

3.07ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG805683606

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805683606

Diamond specifications and retailer prices

From £279 GBP
As of November 5, 2026
Save £1,188 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,467 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.07ct lab-grown round diamond

This 3.07ct 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 LG805683606 or 805683606. Listed at 17 retailers as of November 4, 2026, with prices from £279 to £1,467, a £1,188 spread on the same certified stone. Rare Carat lists it at £1,467. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805683606
Dimensions9.44 × 9.40 × 5.66 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
9.44 mm9.40 mm3.07 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805683606
Side View
Table 58.0%Crown 32.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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: Nov 5
Current: £1,467 GBP|Low: £268 GBP|High: £1,527 GBP|Avg: £738 GBP|-3.9%
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
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Retailer 17
November 6, 2026
Retailer 15£279 GBP
Retailer 8£312 GBP
Retailer 3£313 GBP
Retailer 9£346 GBP
Retailer 14£346 GBP
Retailer 12£457 GBP
Retailer 10£459 GBP
Retailer 4£551 GBP
Retailer 17£574 GBP
Retailer 2£617 GBP
Retailer 7£823 GBP
Retailer 13£970 GBP
Retailer 16£1,112 GBP
Retailer 6£1,140 GBP
Retailer 5£1,302 GBP
Retailer 11£1,348 GBP
Rare Carat£1,467 GBP

44 data points across 17 retailers

17 retailers£279 GBP to £1,467 GBP

A
Cheapest Retailer
-
£279 GBP
A
Retailer 2
-
£312 GBP
View
Final sale: no returns
A
Retailer 3
-
£313 GBP
View
Retailer 4
-
£346 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£346 GBP
View
A
Retailer 6
-
£457 GBP
View
A
Retailer 7
-
£459 GBP
View
B+
Retailer 8
-
£551 GBP
View
A
Retailer 9
-
£574 GBP
View
A
Retailer 10
-
£617 GBP
View
B+
Retailer 11
-
£823 GBP
View
B+
Retailer 12
-
£970 GBP
View
B+
Retailer 13
-
£1,112 GBP
View
B+
Retailer 14
-
£1,140 GBP
View
B
Retailer 15
-
£1,302 GBP
View
B
Retailer 16
-
£1,348 GBP
View
Most Expensive
B
Rare Carat
575-10A_l_805683606 · Nov 4
£1,467 GBP
$1,975 USD
View
16 more retailers have this diamond
Prices start from £279 GBPSave up to £1,188 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
3.07ct Round
£279 GBP