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Radiant|Lab Grown|IGI

3.70ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG658473623

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG658473623

Diamond specifications and retailer prices

From £511 GBP
$681 USD
As of October 30, 2026
Save £5,631 GBP (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,143 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.7ct lab-grown radiant diamond

This 3.7ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG658473623 or 658473623. Listed at 22 retailers as of October 29, 2026, with prices from £511 to £6,143, a £5,631 spread on the same certified stone. Brilliant Earth lists it at £6,143. 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

3.70
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658473623
Dimensions10.75 × 7.47 × 4.98 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm7.47 mm3.70 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658473623
Side View
Table 70.0%Crown 43.4°Girdle: MED-STKPavilion 30.8°Culet: NoneDepth 66.7%

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 30
Current: £6,143 GBP|Low: £491 GBP|High: £6,143 GBP|Avg: £1,417 GBP
Brilliant Earth
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
October 30, 2026
Retailer 14£511 GBP
Retailer 6£556 GBP
Retailer 7£593 GBP
Retailer 15£593 GBP
Retailer 10£728 GBP
Retailer 2£797 GBP
Retailer 8£950 GBP
Retailer 5£966 GBP
Retailer 12£1,339 GBP
Retailer 9£1,378 GBP
Retailer 13£1,516 GBP
Retailer 4£1,669 GBP
Retailer 3£2,025 GBP
Retailer 11£2,503 GBP
Brilliant Earth£6,143 GBP

36 data points across 15 retailers

22 retailers£511 GBP to £6,143 GBP

A
Cheapest Retailer
-
£511 GBP
$681 USD
A
Retailer 2
-
£556 GBP
$741 USD
View
A
Retailer 3
-
£573 GBP
$763 USD
View
Final sale: no returns
A
Retailer 4
-
£593 GBP
$790 USD
View
Retailer 5
-
£593 GBP
$790 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£728 GBP
$970 USD
View
A
Retailer 7
-
£797 GBP
View
A
Retailer 8
-
£841 GBP
$1,120 USD
View
A
Retailer 9
-
£950 GBP
View
A
Retailer 10
-
£966 GBP
$1,286 USD
View
Retailer 11
-
£1,339 GBP
A$2,744 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
£1,378 GBP
ZAR 29,648 ZAR
View
B+
Retailer 13
-
£1,425 GBP
$1,897 USD
View
B+
Retailer 14
-
£1,516 GBP
$2,019 USD
View
B+
Retailer 15
-
£1,669 GBP
$2,222 USD
View
B+
Retailer 16
-
£1,843 GBP
View
B+
Retailer 17
-
£2,025 GBP
$2,696 USD
View
B+
Retailer 18
-
£2,047 GBP
$2,726 USD
View
B+
Retailer 19
-
£2,050 GBP
$2,730 USD
View
B
Retailer 20
-
£2,413 GBP
HK$25,100 HKD
View
B+
Retailer 21
-
£2,503 GBP
View
Most Expensive
B
Brilliant Earth
17970621A · Oct 29
£6,143 GBP
$8,180 USD
View
21 more retailers have this diamond
Prices start from £511 GBPSave up to £5,631 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
3.70ct Radiant
£511 GBP