Princess|Lab Grown|IGI

3.09ct D VS1 Princess Lab Grown Diamond

ID • D/VS1 • IGI LG678544369

Shape and cutting style on the report: Princess cut

Certificate IGI LG678544369

Diamond specifications and retailer prices

From £355 GBP
$475 USD
As of October 30, 2026
Save £3,041 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,396 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown princess diamond

This 3.09ct 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 LG678544369 or 678544369. Listed at 22 retailers as of October 30, 2026, with prices from £355 to £3,396, a £3,041 spread on the same certified stone. Brilliant Earth lists it at £3,396. 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

3.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678544369
Dimensions7.82 × 7.81 × 5.58 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.81 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678544369
Side View
Table 71.0%Crown 40.9°Girdle: MediumPavilion 38.6°Culet: NoneDepth 71.4%

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: Oct 30
Current: £3,396 GBP|Low: £340 GBP|High: £3,500 GBP|Avg: £1,191 GBP|+18.8%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 20£355 GBP
Retailer 9£397 GBP
Retailer 21£397 GBP
Retailer 3£440 GBP
Retailer 11£440 GBP
Retailer 2£610 GBP
Retailer 12£662 GBP
Retailer 19£664 GBP
Retailer 8£686 GBP
Retailer 15£753 GBP
Retailer 10£839 GBP
Retailer 13£1,026 GBP
Retailer 17£1,054 GBP
Retailer 18£1,182 GBP
Retailer 6£1,410 GBP
Retailer 4£1,537 GBP
Retailer 5£1,645 GBP
Retailer 14£1,665 GBP
Retailer 16£2,038 GBP
Retailer 7£3,150 GBP
Brilliant Earth£3,396 GBP

40 data points across 21 retailers

22 retailers£355 GBP to £3,396 GBP

A
Cheapest Retailer
-
£355 GBP
$475 USD
A
Retailer 2
-
£397 GBP
$532 USD
View
A
Retailer 3
-
£397 GBP
$532 USD
View
Final sale: no returns
Retailer 4
-
£440 GBP
$589 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£440 GBP
$589 USD
View
A
Retailer 6
-
£610 GBP
View
A
Retailer 7
-
£662 GBP
$887 USD
View
A
Retailer 8
-
£664 GBP
$890 USD
View
B+
Retailer 9
-
£686 GBP
$919 USD
View
A
Retailer 10
-
£753 GBP
View
A
Retailer 11
-
£839 GBP
$1,124 USD
View
B+
Retailer 12
-
£1,026 GBP
A$2,114 AUD
View
B+
Retailer 13
-
£1,054 GBP
ZAR 22,825 ZAR
View
B+
Retailer 14
-
£1,182 GBP
$1,584 USD
View
B+
Retailer 15
-
£1,277 GBP
$1,711 USD
View
B+
Retailer 16
-
£1,410 GBP
View
B
Retailer 17
-
£1,537 GBP
$2,060 USD
View
B+
Retailer 18
-
£1,645 GBP
$2,204 USD
View
B
Retailer 19
-
£1,665 GBP
$2,231 USD
View
B
Retailer 20
-
£2,038 GBP
View
B
Retailer 21
-
£3,150 GBP
$4,220 USD
View
Most Expensive
B
Brilliant Earth
14974015Y · Oct 30
£3,396 GBP
$4,550 USD
View
21 more retailers have this diamond
Prices start from £355 GBPSave up to £3,041 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
3.09ct Princess
£355 GBP