Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG825658773

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG825658773

Diamond specifications and retailer prices

From $194 USD
As of October 30, 2026
Save $981 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,175 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825658773 or 825658773. Listed at 19 retailers as of October 30, 2026, with prices from $194 to $1,175, a $981 spread on the same certified stone. Reve Diamonds lists it at $1,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658773
Dimensions7.78 × 5.46 × 3.42 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658773
Side View
Table 72.0%Crown 42.3°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $416 USD|Low: $154 USD|High: $1,175 USD|Avg: $607 USD|+2.9%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 15$194 USD
Retailer 5$217 USD
Retailer 2$241 USD
Retailer 1$416 USD
Retailer 3$419 USD
Retailer 8$439 USD
Retailer 10$442 USD
Retailer 6$463 USD
Retailer 12$588 USD
Retailer 14$618 USD
Retailer 9$710 USD
Retailer 13$725 USD
Retailer 7$828 USD
Retailer 4$862 USD
Retailer 11$1,133 USD
Reve Diamonds$1,175 USD

45 data points across 16 retailers

19 retailers$194 USD to $1,175 USD

A
Cheapest Retailer
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$194 USD
A
Retailer 2
-
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$225 USD
View
Retailer 4
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$241 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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$241 USD
View
A
Retailer 6
-
$416 USD
ZAR 6,718 ZAR
View
A
Retailer 7
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$419 USD
View
A
Retailer 8
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$439 USD
£346 GBP
View
A
Retailer 9
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$442 USD
€421 EUR
View
A
Retailer 10
-
$463 USD
View
B+
Retailer 11
-
$588 USD
A$904 AUD
View
B+
Retailer 12
-
$618 USD
View
B+
Retailer 13
-
$710 USD
View
Retailer 14
-
$725 USD
View
Price last confirmed 13 days ago
B
Retailer 15
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$774 USD
View
B
Retailer 16
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$828 USD
View
B
Retailer 17
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$880 USD
View
B
Retailer 18
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$1,133 USD
£892 GBP
View
Most Expensive
B
Reve Diamonds
3F34DD91A · Nov 1
$1,175 USD
View
18 more retailers have this diamond
Prices start from $194 USDSave up to $981 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
1.21ct Radiant
$194 USD