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Round|Lab Grown|IGI

3.55ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG798618809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG798618809

Diamond specifications and retailer prices

From £665 GBP
$885 USD
As of October 26, 2026
Save £2,239 GBP (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £7,149 GBP at Brilliant Earth · As of October 28, 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 LG798618809 or 798618809. Listed at 21 retailers as of October 26, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 LG798618809
Dimensions9.79 × 9.82 × 6.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.79 mm9.82 mm3.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798618809
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: £7,149 GBP|Low: £665 GBP|High: £7,149 GBP|Avg: £1,647 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 29, 2026
Retailer 9£665 GBP
Retailer 5£723 GBP
Retailer 10£743 GBP
Retailer 3£770 GBP
Retailer 14£799 GBP
Retailer 7£884 GBP
Retailer 20£901 GBP
Retailer 6£992 GBP
Retailer 16£1,015 GBP
Retailer 18£1,090 GBP
Retailer 2£1,178 GBP
Retailer 17£1,215 GBP
Retailer 21£1,714 GBP
Retailer 11£1,751 GBP
Retailer 13£1,789 GBP
Retailer 4£2,167 GBP
Retailer 8£2,272 GBP
Retailer 19£2,559 GBP
Retailer 15£2,904 GBP
Retailer 12£3,327 GBP
Brilliant Earth£7,149 GBP

16 data points across 21 retailers

21 retailers£665 GBP to £2,904 GBP

A
Cheapest Retailer
-
£665 GBP
$885 USD
A
Retailer 2
-
£723 GBP
$963 USD
View
A
Retailer 3
-
£743 GBP
$990 USD
View
Final sale: no returns
A
Retailer 4
-
£770 GBP
$1,026 USD
View
A
Retailer 5
-
£799 GBP
$1,064 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£884 GBP
HK$9,200 HKD
View
A
Retailer 7
-
£901 GBP
$1,200 USD
View
A
Retailer 8
-
£992 GBP
$1,321 USD
View
A
Retailer 9
-
£1,015 GBP
View
A
Retailer 10
-
£1,090 GBP
$1,452 USD
View
A
Retailer 11
-
£1,178 GBP
View
A
Retailer 12
-
£1,215 GBP
€1,541 EUR
View
B+
Retailer 13
-
£1,714 GBP
$2,283 USD
View
B+
Retailer 14
-
£1,751 GBP
A$3,587 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£1,789 GBP
ZAR 38,498 ZAR
View
B
Retailer 16
-
£2,167 GBP
$2,886 USD
View
B+
Retailer 17
-
£2,272 GBP
$3,026 USD
View
B+
Retailer 18
-
£2,559 GBP
SGD 4,605 SGD
View
B
Retailer 19
-
£2,904 GBP
View
B
Retailer 20
-
£3,327 GBP
$4,430 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
19642337A · Oct 28
£7,149 GBP
$9,520 USD
View
Price under review
20 more retailers have this diamond
Prices start from £665 GBPSave up to £2,239 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
£665 GBP