Round|Lab Grown|IGI

3.55ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG770659724

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770659724

Diamond specifications and retailer prices

From £818 GBP
$1,089 USD
As of October 29, 2026
Save £2,831 GBP (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £7,179 GBP at Brilliant Earth · As of October 25, 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 LG770659724 or 770659724. Listed at 22 retailers as of October 29, 2026, with a 346% 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 angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770659724
Dimensions9.87 × 9.91 × 5.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.87 mm9.91 mm3.55 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770659724
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.1%

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 29
Current: £7,179 GBP|Low: £716 GBP|High: £7,412 GBP|Avg: £2,527 GBP|-3.1%
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
October 30, 2026
Retailer 5£915 GBP
Retailer 11£1,078 GBP
Retailer 2£1,369 GBP
Retailer 12£1,370 GBP
Retailer 3£1,610 GBP
Retailer 4£1,924 GBP
Retailer 10£2,039 GBP
Retailer 13£2,140 GBP
Retailer 8£2,202 GBP
Retailer 15£2,747 GBP
Retailer 6£2,754 GBP
Retailer 14£2,840 GBP
Retailer 9£3,234 GBP
Retailer 7£3,649 GBP
Brilliant Earth£7,179 GBP

39 data points across 15 retailers

22 retailers£818 GBP to £3,649 GBP

Retailer 1
-
£818 GBP
$1,089 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£818 GBP
$1,089 USD
View
Retailer 3
-
£890 GBP
$1,185 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£915 GBP
$1,219 USD
View
Final sale: no returns
Retailer 5
-
£936 GBP
$1,246 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£948 GBP
$1,263 USD
View
A
Retailer 7
-
£1,078 GBP
$1,435 USD
View
B+
Retailer 8
-
£1,369 GBP
View
B+
Retailer 9
-
£1,370 GBP
$1,825 USD
View
B+
Retailer 10
-
£1,610 GBP
$2,144 USD
View
B+
Retailer 11
-
£1,778 GBP
$2,368 USD
View
Retailer 12
-
£1,778 GBP
$2,368 USD
View
Price last confirmed 39 days ago
B+
Retailer 13
-
£1,924 GBP
$2,562 USD
View
B+
Retailer 14
-
£2,039 GBP
A$4,178 AUD
View
Retailer 15
-
£2,140 GBP
A$4,385 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£2,202 GBP
ZAR 47,382 ZAR
View
B
Retailer 17
-
£2,747 GBP
$3,658 USD
View
B
Retailer 18
-
£2,754 GBP
$3,667 USD
View
Retailer 19
-
£2,840 GBP
A$5,819 AUD
View
Price last confirmed 21 days ago
B
Retailer 20
-
£3,234 GBP
View
B
Retailer 21
-
£3,649 GBP
$4,859 USD
View
Most Expensive
Brilliant Earth
17909804A · Oct 25
£7,179 GBP
$9,560 USD
View
Price under review
21 more retailers have this diamond
Prices start from £818 GBPSave up to £2,831 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
£818 GBP