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Round|Lab Grown|IGI

1.21ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG683543521

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683543521

Diamond specifications and retailer prices

From $248 AUD
$174 USD
As of November 1, 2026
Save $1,336 AUD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,584 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG683543521 or 683543521. Listed at 22 retailers as of November 1, 2026, with prices from $248 to $1,584, a $1,336 spread on the same certified stone. Reve Diamonds lists it at $1,584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683543521
Dimensions6.90 × 6.95 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.90 mm6.95 mm1.21 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683543521
Side View
Table 59.0%Crown 33.8°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 59.8%

Caratlytics Score

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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: Nov 1
Current: $1,437 AUD|Low: $245 AUD|High: $1,584 AUD|Avg: $693 AUD|-0.4%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
Reve Diamonds
November 2, 2026
Retailer 10$248 AUD
Retailer 5$278 AUD
Retailer 2$288 AUD
Retailer 6$307 AUD
Retailer 8$308 AUD
Retailer 16$531 AUD
Retailer 7$548 AUD
Retailer 14$549 AUD
Retailer 13$593 AUD
Retailer 4$662 AUD
Retailer 17$694 AUD
Retailer 19$713 AUD
Retailer 15$750 AUD
Retailer 12$818 AUD
Retailer 18$928 AUD
Retailer 3$970 AUD
Retailer 11$989 AUD
Retailer 9$1,066 AUD
Retailer 1$1,437 AUD
Reve Diamonds$1,584 AUD

41 data points across 20 retailers

22 retailers$248 AUD to $1,584 AUD

A
Cheapest Retailer
-
$248 AUD
$174 USD
Retailer 2
-
$278 AUD
$195 USD
View
Price last confirmed 7 days ago
Final sale: no returns
A
Retailer 3
-
$288 AUD
$202 USD
View
A
Retailer 4
-
$307 AUD
$215 USD
View
Retailer 5
-
$308 AUD
$216 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$531 AUD
ZAR 6,010 ZAR
View
A
Retailer 7
-
$548 AUD
$384 USD
View
A
Retailer 8
-
$549 AUD
£303 GBP
View
A
Retailer 9
-
$556 AUD
$390 USD
View
B+
Retailer 10
-
$593 AUD
€396 EUR
View
B+
Retailer 11
-
$662 AUD
$464 USD
View
B+
Retailer 12
-
$694 AUD
View
B+
Retailer 13
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$713 AUD
$500 USD
View
B+
Retailer 14
-
$750 AUD
View
B+
Retailer 15
-
$818 AUD
$573 USD
View
B+
Retailer 16
-
$928 AUD
View
Retailer 17
-
$970 AUD
$680 USD
View
Price last confirmed 17 days ago
B
Retailer 18
-
$989 AUD
$693 USD
View
B
Retailer 19
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$1,066 AUD
$747 USD
View
B
Retailer 20
-
$1,067 AUD
$748 USD
View
B
Retailer 21
-
$1,437 AUD
£793 GBP
View
Most Expensive
B
Reve Diamonds
CCD89B03D · Nov 1
$1,584 AUD
$1,110 USD
View
21 more retailers have this diamond
Prices start from $248 AUDSave up to $1,336 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
1.21ct Round
$248 AUD