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Round|Lab Grown|IGI

3.55ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG780604660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780604660

Diamond specifications and retailer prices

From £566 GBP
$754 USD
As of October 29, 2026
Save £5,561 GBP (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £6,128 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown round diamond

This 3.55ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780604660 or 780604660. Listed at 20 retailers as of October 29, 2026, with prices from £566 to £6,128, a £5,561 spread on the same certified stone. Brilliant Earth lists it at £6,128. 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

3.55
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780604660
Dimensions9.81 × 9.77 × 6.01 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm9.77 mm3.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780604660
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.4%

Caratlytics Score

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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 29
Current: £6,128 GBP|Low: £550 GBP|High: £7,104 GBP|Avg: £1,873 GBP|-13.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 11£566 GBP
Retailer 3£613 GBP
Retailer 2£633 GBP
Retailer 10£653 GBP
Retailer 16£656 GBP
Retailer 13£788 GBP
Retailer 6£922 GBP
Retailer 12£1,106 GBP
Retailer 5£1,184 GBP
Retailer 4£1,514 GBP
Retailer 18£1,628 GBP
Retailer 14£1,682 GBP
Retailer 9£2,028 GBP
Retailer 8£2,208 GBP
Retailer 17£2,587 GBP
Retailer 15£2,730 GBP
Retailer 7£5,001 GBP
Brilliant Earth£6,128 GBP

26 data points across 18 retailers

20 retailers£566 GBP to £6,128 GBP

A
Cheapest Retailer
-
£566 GBP
$754 USD
A
Retailer 2
-
£613 GBP
$816 USD
View
A
Retailer 3
-
£633 GBP
$843 USD
View
Final sale: no returns
A
Retailer 4
-
£653 GBP
$870 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
£656 GBP
$874 USD
View
A
Retailer 6
-
£788 GBP
$1,050 USD
View
A
Retailer 7
-
£922 GBP
$1,228 USD
View
A
Retailer 8
-
£1,106 GBP
View
A
Retailer 9
-
£1,184 GBP
$1,577 USD
View
B+
Retailer 10
-
£1,509 GBP
$2,010 USD
View
Price last confirmed 43 days ago
B+
Retailer 11
-
£1,514 GBP
$2,016 USD
View
B+
Retailer 12
-
£1,628 GBP
A$3,335 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£1,682 GBP
ZAR 36,192 ZAR
View
B+
Retailer 14
-
£2,028 GBP
$2,701 USD
View
B+
Retailer 15
-
£2,208 GBP
$2,941 USD
View
B+
Retailer 16
-
£2,587 GBP
$3,445 USD
View
B+
Retailer 17
-
£2,730 GBP
View
B
Retailer 18
-
£5,001 GBP
$6,660 USD
View
B
Retailer 19
-
£5,459 GBP
$7,270 USD
View
Most Expensive
B
Brilliant Earth
20678617Y · Oct 29
£6,128 GBP
$8,160 USD
View
19 more retailers have this diamond
Prices start from £566 GBPSave up to £5,561 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
3.55ct Round
£566 GBP