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Round|Lab Grown|IGI

3.68ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG621408866

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621408866

Diamond specifications and retailer prices

From $659 AUD
$463 USD
As of October 29, 2026
Save $2,107 AUD (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,766 AUD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.68ct lab-grown round diamond

This 3.68ct 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 LG621408866 or 621408866. Listed at 4 retailers as of October 29, 2026, with prices from $659 to $2,766, a $2,107 spread on the same certified stone. The Diamond Guys lists it at $2,766. 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

3.68
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621408866
Dimensions9.95 × 9.90 × 6.08 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
9.95 mm9.90 mm3.68 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621408866
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $659 AUD|Low: $659 AUD|High: $4,968 AUD|Avg: $1,916 AUD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 27, 2026
Retailer 1$659 AUD
Retailer 9$904 AUD
Retailer 6$938 AUD
Retailer 5$1,055 AUD
Retailer 3$1,155 AUD
Retailer 11$1,239 AUD
Retailer 12$1,395 AUD
Retailer 7$1,788 AUD
Retailer 13$1,913 AUD
Retailer 4$2,091 AUD
Retailer 10$2,673 AUD
The Diamond Guys$2,766 AUD
Retailer 2$3,251 AUD
Retailer 8$4,968 AUD

6 data points across 14 retailers

4 retailers$659 AUD to $2,766 AUD

A
Cheapest Retailer
-
$659 AUD
$463 USD
Final sale: no returns
B+
Retailer 2
-
$938 AUD
$659 USD
View
B+
Retailer 3
-
$2,091 AUD
CA$2,040 CAD
View
Most Expensive
B
The Diamond Guys
1954433978 · Oct 30
$2,766 AUD
$1,943 USD
View
3 more retailers have this diamond
Prices start from $659 AUDSave up to $2,107 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
3.68ct Round
$659 AUD