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Radiant|Lab Grown|IGI

3.70ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG710501992

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

Certificate IGI LG710501992

Diamond specifications and retailer prices

From £1,226 GBP
$1,633 USD
As of October 30, 2026
Save £26 GBP (2%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £7,059 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG710501992 or 710501992. Listed at 6 retailers as of October 29, 2026, with a relatively tight 2% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710501992
Dimensions8.48 × 8.47 × 5.78 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.48 mm8.47 mm3.70 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710501992
Side View
Table 71.0%Crown 46.1°Girdle: ThickPavilion 38.9°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £7,059 GBP|Low: £1,197 GBP|High: £7,059 GBP|Avg: £3,428 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 7£1,226 GBP
Retailer 5£1,253 GBP
Retailer 6£1,581 GBP
Retailer 2£2,917 GBP
Retailer 4£3,584 GBP
Retailer 3£6,263 GBP
Do Amore Diamonds£7,059 GBP

7 data points across 7 retailers

6 retailers£1,226 GBP to £1,253 GBP

A
Cheapest Retailer
-
£1,226 GBP
$1,633 USD
A
Retailer 2
-
£1,253 GBP
$1,668 USD
View
Retailer 3
-
£1,581 GBP
$2,106 USD
View
Price last confirmed 28 days ago
Retailer 4
-
£2,917 GBP
$3,885 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£3,584 GBP
View
Price last confirmed 29 days ago
Most Expensive
Do Amore Diamonds
23-710501992 · Oct 30
£7,059 GBP
$9,400 USD
View
Price under review
5 more retailers have this diamond
Prices start from £1,226 GBPSave up to £26 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
£1,226 GBP