Radiant|Lab Grown|IGI

3.70ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG799680887

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

Certificate IGI LG799680887

Diamond specifications and retailer prices

From £1,050 GBP
$1,398 USD
As of October 29, 2026
Save £4,116 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,166 GBP at Diamonds Direct · As of October 30, 2026
View at Diamonds Direct

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 very-good cut grade and certified by IGI LG799680887 or 799680887. Listed at 8 retailers as of October 29, 2026, with prices from £1,050 to £5,166, a £4,116 spread on the same certified stone. Diamonds Direct lists it at £5,166. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.70
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799680887
Dimensions11.10 × 7.60 × 5.12 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.10 mm7.60 mm3.70 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799680887
Side View
Table 53.0%Crown 35°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £5,166 GBP|Low: £767 GBP|High: £5,166 GBP|Avg: £2,488 GBP|+46.5%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5£767 GBP
Retailer 7£1,050 GBP
Retailer 2£1,307 GBP
Retailer 3£1,968 GBP
Retailer 8£2,537 GBP
Retailer 4£2,775 GBP
Retailer 6£3,837 GBP
Diamonds Direct£5,166 GBP

45 data points across 8 retailers

8 retailers£1,050 GBP to £5,166 GBP

Retailer 1
-
£767 GBP
$1,022 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
£1,050 GBP
$1,398 USD
View
B+
Retailer 3
-
£1,307 GBP
View
B+
Retailer 4
-
£1,968 GBP
ZAR 42,334 ZAR
View
B
Retailer 5
-
£2,537 GBP
$3,379 USD
View
Retailer 6
-
£2,775 GBP
$3,695 USD
View
Price last confirmed 11 days ago
B
Retailer 7
-
£3,837 GBP
$5,110 USD
View
Most Expensive
C
Diamonds Direct
991967 · Oct 30
£5,166 GBP
$6,879 USD
View
7 more retailers have this diamond
Prices start from £1,050 GBPSave up to £4,116 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.

B+
3.70ct Radiant
£1,050 GBP