Round|Lab Grown|IGI

3.55ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG804641065

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804641065

Diamond specifications and retailer prices

From $434 USD
As of October 29, 2026
Save $2,566 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,000 USD 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804641065 or 804641065. Listed at 15 retailers as of October 29, 2026, with prices from $434 to $3,000, a $2,566 spread on the same certified stone. Brilliant Earth lists it at $3,000. 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804641065
Dimensions9.83 × 9.79 × 5.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.83 mm9.79 mm3.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804641065
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.7%

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: $3,000 USD|Low: $417 USD|High: $3,080 USD|Avg: $1,203 USD|-2.6%
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 29, 2026
Retailer 12$434 USD
Retailer 3$538 USD
Retailer 13$538 USD
Retailer 7$602 USD
Retailer 14$846 USD
Retailer 10$850 USD
Retailer 4$934 USD
Retailer 6$1,064 USD
Retailer 2$1,137 USD
Retailer 9$1,169 USD
Retailer 11$1,510 USD
Retailer 15$1,731 USD
Retailer 5$1,762 USD
Retailer 8$1,988 USD
Brilliant Earth$3,000 USD

30 data points across 15 retailers

15 retailers$434 USD to $3,000 USD

A
Cheapest Retailer
-
$434 USD
A
Retailer 2
-
$538 USD
View
A
Retailer 3
-
$538 USD
View
B+
Retailer 4
-
$846 USD
View
A
Retailer 5
-
$850 USD
View
A
Retailer 6
-
$934 USD
View
A
Retailer 7
-
$1,064 USD
View
A
Retailer 8
-
$1,137 USD
A$1,749 AUD
View
A
Retailer 9
-
$1,169 USD
ZAR 18,878 ZAR
View
B+
Retailer 10
-
$1,510 USD
View
Retailer 11
-
$1,731 USD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
$1,731 USD
View
B+
Retailer 13
-
$1,762 USD
View
B+
Retailer 14
-
$1,988 USD
£1,565 GBP
View
Most Expensive
B
Brilliant Earth
21393620A · Oct 29
$3,000 USD
View
14 more retailers have this diamond
Prices start from $434 USDSave up to $2,566 USD

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
$434 USD