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Princess|Lab Grown|IGI

3.51ct D VS1 Princess Lab Grown Diamond

VG • D/VS1 • IGI LG841641298

Shape and cutting style on the report: Princess cut

Certificate IGI LG841641298

Diamond specifications and retailer prices

From £435 GBP
$584 USD
As of November 2, 2026
Save £4,736 GBP (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,172 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown princess diamond

This 3.51ct lab-grown princess 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 LG841641298 or 841641298. Listed at 20 retailers as of October 31, 2026, with prices from £435 to £5,172, a £4,736 spread on the same certified stone. Brilliant Earth lists it at £5,172. 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

3.51
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641298
Dimensions8.30 × 8.30 × 5.81 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.30 mm8.30 mm3.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641298
Side View
Table 70.0%Crown 42.2°Girdle: MediumPavilion 38.5°Culet: NoneDepth 70.0%

Caratlytics Score

How it works →
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: Nov 2
Current: £5,172 GBP|Low: £435 GBP|High: £5,239 GBP|Avg: £1,327 GBP|-1.3%
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
Retailer 20
November 1, 2026
Retailer 6£435 GBP
Retailer 3£487 GBP
Retailer 5£487 GBP
Retailer 19£540 GBP
Retailer 13£676 GBP
Retailer 4£813 GBP
Retailer 7£829 GBP
Retailer 15£831 GBP
Retailer 14£844 GBP
Retailer 17£850 GBP
Retailer 16£1,140 GBP
Retailer 18£1,173 GBP
Retailer 11£1,267 GBP
Retailer 10£1,340 GBP
Retailer 20£1,420 GBP
Retailer 8£1,724 GBP
Retailer 12£1,748 GBP
Retailer 9£1,803 GBP
Retailer 2£2,344 GBP
Brilliant Earth£5,172 GBP

12 data points across 20 retailers

20 retailers£435 GBP to £5,172 GBP

A
Cheapest Retailer
-
£435 GBP
$584 USD
A
Retailer 2
-
£487 GBP
$654 USD
View
Final sale: no returns
A
Retailer 3
-
£487 GBP
$654 USD
View
A
Retailer 4
-
£540 GBP
$725 USD
View
A
Retailer 5
-
£676 GBP
View
A
Retailer 6
-
£813 GBP
$1,091 USD
View
A
Retailer 7
-
£829 GBP
$1,113 USD
View
B+
Retailer 8
-
£831 GBP
$1,115 USD
View
A
Retailer 9
-
£844 GBP
View
A
Retailer 10
-
£850 GBP
€1,086 EUR
View
B+
Retailer 11
-
£1,140 GBP
A$2,354 AUD
View
B+
Retailer 12
-
£1,173 GBP
ZAR 25,422 ZAR
View
B+
Retailer 13
-
£1,267 GBP
$1,700 USD
View
B
Retailer 14
-
£1,340 GBP
$1,798 USD
View
B+
Retailer 15
-
£1,420 GBP
$1,906 USD
View
B
Retailer 16
-
£1,724 GBP
$2,313 USD
View
B
Retailer 17
-
£1,748 GBP
$2,346 USD
View
B
Retailer 18
-
£1,803 GBP
$2,420 USD
View
B
Retailer 19
-
£2,344 GBP
View
Most Expensive
B
Brilliant Earth
22222546A · Oct 31
£5,172 GBP
$6,940 USD
View
19 more retailers have this diamond
Prices start from £435 GBPSave up to £4,736 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
3.51ct Princess
£435 GBP