Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG631426155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631426155

Diamond specifications and retailer prices

From $2,389 NZD
CA$1,870 CAD
As of October 30, 2026
Save $1,816 NZD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,205 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct 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 LG631426155 or 631426155. Listed at 3 retailers as of October 30, 2026, with prices from $2,389 to $4,205, a $1,816 spread on the same certified stone. Brilliant Earth lists it at $4,205. 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

3.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631426155
Dimensions9.22 × 9.17 × 5.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.22 mm9.17 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631426155
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,205 NZD|Low: $468 NZD|High: $7,647 NZD|Avg: $2,368 NZD|-45.0%
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
August 3, 2026
Retailer 12$976 NZD
Retailer 6$1,252 NZD
Retailer 10$1,464 NZD
Retailer 3$1,537 NZD
Retailer 5$1,576 NZD
Retailer 7$1,581 NZD
Retailer 14$1,879 NZD
Retailer 8$2,000 NZD
Retailer 11$2,389 NZD
Retailer 13$2,761 NZD
Retailer 2$3,160 NZD
Retailer 9$3,456 NZD
Brilliant Earth$4,205 NZD
Retailer 4$5,004 NZD

61 data points across 14 retailers

3 retailers$2,389 NZD to $4,205 NZD

B+
Cheapest Retailer
-
$2,389 NZD
CA$1,870 CAD
B
Retailer 2
-
$3,160 NZD
$1,781 USD
View
Most Expensive
B
Brilliant Earth
19476484Y · Oct 31
$4,205 NZD
$2,370 USD
View
2 more retailers have this diamond
Prices start from $2,389 NZDSave up to $1,816 NZD

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.

B+
3.05ct Round
$2,389 NZD