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Cushion|Lab Grown|IGI

3.07ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG779637717

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG779637717

Diamond specifications and retailer prices

From £410 GBP
HK$4,300 HKD
As of November 3, 2026
Save £1,129 GBP (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,110 GBP at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 3.07ct lab-grown cushion diamond

This 3.07ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG779637717 or 779637717. Listed at 18 retailers as of November 1, 2026, with a 275% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.07
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779637717
Dimensions10.07 × 7.35 × 5.03 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.07 mm7.35 mm3.07 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779637717
Side View
Table 66.0%Crown 41.2°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 68.4%

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 3
Current: £616 GBP|Low: £370 GBP|High: £1,678 GBP|Avg: £845 GBP|-8.4%
Retailer 1
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
November 3, 2026
Retailer 15£374 GBP
Retailer 16£410 GBP
Retailer 14£488 GBP
Retailer 6£491 GBP
Retailer 11£590 GBP
Retailer 4£602 GBP
Retailer 1£616 GBP
Retailer 13£789 GBP
Retailer 2£789 GBP
Retailer 10£816 GBP
Retailer 3£905 GBP
Retailer 5£1,091 GBP
Retailer 7£1,192 GBP
Retailer 8£1,230 GBP
Retailer 12£1,402 GBP
Retailer 9£1,463 GBP

37 data points across 16 retailers

18 retailers£410 GBP to £1,540 GBP

Retailer 1
-
£374 GBP
$502 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£410 GBP
HK$4,300 HKD
View
A
Retailer 3
-
£488 GBP
$655 USD
View
B+
Retailer 4
-
£491 GBP
$658 USD
View
A
Retailer 5
-
£590 GBP
€753 EUR
View
A
Retailer 6
-
£602 GBP
$807 USD
View
A
Retailer 7
-
£616 GBP
View
A
Retailer 8
-
£789 GBP
A$1,627 AUD
View
A
Retailer 9
-
£789 GBP
$1,058 USD
View
A
Retailer 10
-
£816 GBP
ZAR 17,678 ZAR
View
A
Retailer 11
-
£905 GBP
$1,214 USD
View
B+
Retailer 12
-
£1,091 GBP
View
B+
Retailer 13
-
£1,192 GBP
SGD 2,161 SGD
View
B+
Retailer 14
-
£1,230 GBP
$1,650 USD
View
B+
Retailer 15
-
£1,402 GBP
$1,880 USD
View
B+
Retailer 16
-
£1,463 GBP
View
B+
Retailer 17
-
£1,540 GBP
$2,065 USD
View
Most Expensive
Brilliant Earth
20465081A · Sep 23
£2,110 GBP
$2,830 USD
View
Price last confirmed 41 days ago
17 more retailers have this diamond
Prices start from £410 GBPSave up to £1,129 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 Cushion
£410 GBP