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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 $618 AUD
$434 USD
As of October 29, 2026
Save $3,653 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,271 AUD 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 $618 to $4,271, a $3,653 spread on the same certified stone. Brilliant Earth lists it at $4,271. 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
Colour
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: $4,271 AUD|Low: $594 AUD|High: $4,385 AUD|Avg: $1,712 AUD|-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$618 AUD
Retailer 3$766 AUD
Retailer 13$766 AUD
Retailer 7$856 AUD
Retailer 14$1,204 AUD
Retailer 10$1,210 AUD
Retailer 4$1,330 AUD
Retailer 6$1,515 AUD
Retailer 2$1,618 AUD
Retailer 9$1,664 AUD
Retailer 11$2,150 AUD
Retailer 15$2,464 AUD
Retailer 5$2,509 AUD
Retailer 8$2,829 AUD
Brilliant Earth$4,271 AUD

29 data points across 15 retailers

15 retailers$618 AUD to $4,271 AUD

A
Cheapest Retailer
-
$618 AUD
$434 USD
A
Retailer 2
-
$766 AUD
$538 USD
View
A
Retailer 3
-
$766 AUD
$538 USD
View
B+
Retailer 4
-
$1,204 AUD
$846 USD
View
A
Retailer 5
-
$1,210 AUD
$850 USD
View
A
Retailer 6
-
$1,330 AUD
$934 USD
View
A
Retailer 7
-
$1,515 AUD
$1,064 USD
View
A
Retailer 8
-
$1,618 AUD
View
A
Retailer 9
-
$1,664 AUD
ZAR 18,878 ZAR
View
B+
Retailer 10
-
$2,150 AUD
$1,510 USD
View
Retailer 11
-
$2,464 AUD
$1,731 USD
View
Price last confirmed 40 days ago
B+
Retailer 12
-
$2,464 AUD
$1,731 USD
View
B+
Retailer 13
-
$2,509 AUD
$1,762 USD
View
B+
Retailer 14
-
$2,829 AUD
£1,565 GBP
View
Most Expensive
B
Brilliant Earth
21393620A · Oct 29
$4,271 AUD
$3,000 USD
View
14 more retailers have this diamond
Prices start from $618 AUDSave up to $3,653 AUD

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
$618 AUD