Princess|Lab Grown|IGI

3.21ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG786665858

Shape and cutting style on the report: Princess cut

Certificate IGI LG786665858

Diamond specifications and retailer prices

From £416 GBP
$557 USD
As of October 29, 2026
Save £3,629 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,045 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.21ct lab-grown princess diamond

This 3.21ct lab-grown princess 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 LG786665858 or 786665858. Listed at 20 retailers as of October 29, 2026, with prices from £416 to £4,045, a £3,629 spread on the same certified stone. Brilliant Earth lists it at £4,045. 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

3.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786665858
Dimensions8.00 × 8.33 × 5.33 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm8.33 mm3.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786665858
Side View
Table 67.0%Crown 40.5°Girdle: MediumPavilion 35.5°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £4,045 GBP|Low: £372 GBP|High: £4,426 GBP|Avg: £1,176 GBP|+7.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 6£372 GBP
Retailer 3£416 GBP
Retailer 11£496 GBP
Retailer 14£618 GBP
Retailer 5£685 GBP
Retailer 8£693 GBP
Retailer 2£767 GBP
Retailer 7£974 GBP
Retailer 10£1,001 GBP
Retailer 13£1,239 GBP
Retailer 4£1,725 GBP
Retailer 9£1,935 GBP
Retailer 12£2,220 GBP
Brilliant Earth£4,045 GBP

43 data points across 14 retailers

20 retailers£416 GBP to £4,045 GBP

A
Cheapest Retailer
-
£416 GBP
$557 USD
Final sale: no returns
Retailer 2
-
£455 GBP
$610 USD
View
Price last confirmed 38 days ago
Retailer 3
-
£461 GBP
$618 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
£496 GBP
$665 USD
View
B+
Retailer 5
-
£618 GBP
$828 USD
View
A
Retailer 6
-
£685 GBP
$918 USD
View
A
Retailer 7
-
£693 GBP
€884 EUR
View
A
Retailer 8
-
£767 GBP
View
B+
Retailer 9
-
£974 GBP
A$2,007 AUD
View
B+
Retailer 10
-
£1,001 GBP
ZAR 21,657 ZAR
View
B+
Retailer 11
-
£1,157 GBP
$1,550 USD
View
B+
Retailer 12
-
£1,239 GBP
$1,660 USD
View
B+
Retailer 13
-
£1,501 GBP
$2,012 USD
View
B
Retailer 14
-
£1,601 GBP
$2,145 USD
View
B
Retailer 15
-
£1,725 GBP
$2,311 USD
View
B
Retailer 16
-
£1,758 GBP
$2,355 USD
View
B+
Retailer 17
-
£1,935 GBP
View
Retailer 18
-
£2,220 GBP
$2,975 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
£3,516 GBP
View
Most Expensive
B
Brilliant Earth
18614121A · Oct 29
£4,045 GBP
$5,420 USD
View
19 more retailers have this diamond
Prices start from £416 GBPSave up to £3,629 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
3.21ct Princess
£416 GBP