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Radiant|Lab Grown|IGI

3.93ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG777611356

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

Certificate IGI LG777611356

Diamond specifications and retailer prices

From £489 GBP
$655 USD
As of October 29, 2026
Save £3,554 GBP (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,043 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 3.93ct lab-grown radiant diamond

This 3.93ct 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 LG777611356 or 777611356. Listed at 5 retailers as of October 29, 2026, with prices from £489 to £4,043, a £3,554 spread on the same certified stone. Frank Darling lists it at £4,043. 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

3.93
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777611356
Dimensions10.65 × 7.89 × 5.39 mm
L/W Ratio1.35
Culet sizePointed
Top View
10.65 mm7.89 mm3.93 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777611356
Side View
Table 63.0%Crown 45.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,043 GBP|Low: £325 GBP|High: £6,642 GBP|Avg: £1,969 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
October 30, 2026
Retailer 2£489 GBP
Retailer 14£508 GBP
Retailer 8£674 GBP
Retailer 12£712 GBP
Retailer 11£854 GBP
Retailer 13£1,206 GBP
Retailer 6£1,208 GBP
Retailer 4£1,706 GBP
Retailer 9£1,813 GBP
Retailer 15£1,894 GBP
Retailer 7£2,337 GBP
Retailer 10£2,832 GBP
Retailer 3£3,627 GBP
Frank Darling£4,043 GBP
Retailer 5£6,642 GBP

19 data points across 15 retailers

5 retailers£489 GBP to £4,043 GBP

A
Cheapest Retailer
-
£489 GBP
$655 USD
Final sale: no returns
B+
Retailer 2
-
£674 GBP
$903 USD
View
Retailer 3
-
£1,813 GBP
$2,429 USD
View
Price last confirmed 25 days ago
Retailer 4
-
£2,832 GBP
$3,795 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Frank Darling
100752089318KD · Oct 30
£4,043 GBP
$5,417 USD
View
4 more retailers have this diamond
Prices start from £489 GBPSave up to £3,554 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
3.93ct Radiant
£489 GBP