Radiant|Lab Grown|IGI

3.10ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG749515071

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

Certificate IGI LG749515071

Diamond specifications and retailer prices

From £617 GBP
$821 USD
As of October 30, 2026
Save £2,594 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,211 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 3.1ct lab-grown radiant diamond

This 3.1ct 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 LG749515071 or 749515071. Listed at 12 retailers as of October 30, 2026, with prices from £617 to £3,211, a £2,594 spread on the same certified stone. Frank Darling lists it at £3,211. 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

3.10
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749515071
Dimensions7.25 × 7.25 × 10.33 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.25 mm7.25 mm3.10 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749515071
Side View
Table 68.0%Crown 44.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 65.5%

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 30
Current: £3,211 GBP|Low: £273 GBP|High: £3,582 GBP|Avg: £1,390 GBP|-5.4%
Frank Darling
Retailer 2
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October 11, 2026
Retailer 14£273 GBP
Retailer 20£375 GBP
Retailer 15£424 GBP
Retailer 6£601 GBP
Retailer 19£617 GBP
Retailer 8£630 GBP
Retailer 13£747 GBP
Retailer 9£771 GBP
Retailer 5£864 GBP
Retailer 18£1,113 GBP
Retailer 17£1,147 GBP
Retailer 7£1,154 GBP
Retailer 16£1,179 GBP
Retailer 4£1,352 GBP
Retailer 11£1,517 GBP
Retailer 10£1,635 GBP
Retailer 3£1,734 GBP
Retailer 2£2,258 GBP
Frank Darling£3,211 GBP
Retailer 21£3,334 GBP
Retailer 12£3,582 GBP

22 data points across 21 retailers

12 retailers£617 GBP to £3,211 GBP

Retailer 1
-
£375 GBP
$500 USD
Price last confirmed 21 days ago
Retailer 2
-
£445 GBP
$593 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£601 GBP
$800 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£617 GBP
$821 USD
View
Retailer 5
-
£1,113 GBP
$1,482 USD
View
Price last confirmed 17 days ago
Retailer 6
-
£1,147 GBP
$1,528 USD
View
Price last confirmed 20 days ago
Retailer 7
-
£1,352 GBP
$1,801 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
£1,368 GBP
CA$2,530 CAD
View
Retailer 9
-
£1,734 GBP
A$3,553 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
£1,974 GBP
$2,629 USD
View
Retailer 11
-
£2,258 GBP
View
Price last confirmed 19 days ago
Most Expensive
B
Frank Darling
100760292124BD · Oct 30
£3,211 GBP
$4,275 USD
View
11 more retailers have this diamond
Prices start from £617 GBPSave up to £2,594 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+
3.10ct Radiant
£617 GBP