Radiant|Lab Grown|IGI

3.89ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG790694999

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG790694999

Diamond specifications and retailer prices

From £419 GBP
$561 USD
As of October 27, 2026
Save £1,955 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,825 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.89ct lab-grown radiant diamond

This 3.89ct 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 LG790694999 or 790694999. Listed at 21 retailers as of October 27, 2026, with a 467% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.89
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790694999
Dimensions10.31 × 7.36 × 5.13 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.31 mm7.36 mm3.89 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790694999
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilion 43.8°Culet: NoneDepth 69.7%

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 27
Current: £2,825 GBP|Low: £419 GBP|High: £2,858 GBP|Avg: £1,168 GBP|-1.2%
Rare Carat
Retailer 2
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Retailer 21
October 30, 2026
Retailer 9£419 GBP
Retailer 7£469 GBP
Retailer 16£490 GBP
Retailer 6£519 GBP
Retailer 14£541 GBP
Retailer 5£619 GBP
Retailer 20£685 GBP
Retailer 8£750 GBP
Retailer 10£801 GBP
Retailer 17£847 GBP
Retailer 2£1,148 GBP
Retailer 21£1,181 GBP
Retailer 12£1,339 GBP
Retailer 4£1,430 GBP
Retailer 15£1,522 GBP
Retailer 18£1,581 GBP
Retailer 3£1,735 GBP
Retailer 11£1,750 GBP
Retailer 13£1,759 GBP
Retailer 19£2,373 GBP
Rare Carat£2,825 GBP

17 data points across 21 retailers

21 retailers£419 GBP to £2,373 GBP

A
Cheapest Retailer
-
£419 GBP
$561 USD
A
Retailer 2
-
£469 GBP
$628 USD
View
A
Retailer 3
-
£490 GBP
$657 USD
View
Final sale: no returns
A
Retailer 4
-
£519 GBP
$695 USD
View
Retailer 5
-
£541 GBP
$725 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£619 GBP
$830 USD
View
A
Retailer 7
-
£685 GBP
View
A
Retailer 8
-
£750 GBP
$1,005 USD
View
B+
Retailer 9
-
£801 GBP
$1,073 USD
View
A
Retailer 10
-
£847 GBP
View
B+
Retailer 11
-
£1,148 GBP
A$2,367 AUD
View
A
Retailer 12
-
£1,181 GBP
ZAR 25,565 ZAR
View
A
Retailer 13
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£1,339 GBP
$1,794 USD
View
B+
Retailer 14
-
£1,430 GBP
$1,916 USD
View
B+
Retailer 15
-
£1,522 GBP
$2,039 USD
View
B+
Retailer 16
-
£1,581 GBP
View
B+
Retailer 17
-
£1,735 GBP
$2,325 USD
View
B+
Retailer 18
-
£1,750 GBP
$2,345 USD
View
B+
Retailer 19
-
£1,759 GBP
$2,357 USD
View
B
Retailer 20
-
£2,373 GBP
View
Most Expensive
Rare Carat
29465_l_790694999 · Oct 19
£2,825 GBP
$3,785 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from £419 GBPSave up to £1,955 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
3.89ct Radiant
£419 GBP