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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG632434291

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

Certificate IGI LG632434291

Diamond specifications and retailer prices

From $160 USD
As of November 6, 2026
Save $905 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,065 USD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632434291 or 632434291. Listed at 20 retailers as of November 6, 2026, with prices from $160 to $1,065, a $905 spread on the same certified stone. Reve Diamonds lists it at $1,065. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632434291
Dimensions7.09 × 5.03 × 3.29 mm
L/W Ratio1.41
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
7.09 mm5.03 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632434291
Side View
Table 62.0%Crown 38.3°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.4%

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 6
Current: $383 USD|Low: $152 USD|High: $1,065 USD|Avg: $467 USD|+9.7%
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
Retailer 14
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 13$160 USD
Retailer 4$178 USD
Retailer 12$185 USD
Retailer 2$198 USD
Retailer 3$198 USD
Retailer 7$320 USD
Retailer 8$344 USD
Retailer 15$359 USD
Retailer 1$383 USD
Retailer 6$385 USD
Retailer 14$440 USD
Retailer 9$670 USD
Retailer 11$673 USD
Retailer 5$691 USD
Retailer 10$923 USD
Reve Diamonds$1,065 USD

42 data points across 16 retailers

20 retailers$160 USD to $1,065 USD

A
Cheapest Retailer
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$160 USD
A
Retailer 2
-
$178 USD
View
Final sale: no returns
A
Retailer 3
-
$185 USD
View
Retailer 4
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$198 USD
View
Price last confirmed 13 days ago
A
Retailer 5
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$198 USD
View
A
Retailer 6
-
$320 USD
View
A
Retailer 7
-
$344 USD
View
A
Retailer 8
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$359 USD
View
B+
Retailer 9
-
$383 USD
View
Retailer 10
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$385 USD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$440 USD
View
B+
Retailer 12
-
$469 USD
View
Retailer 13
-
$547 USD
View
Price last confirmed 68 days ago
B+
Retailer 14
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$550 USD
View
B
Retailer 15
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$660 USD
View
B
Retailer 16
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$670 USD
View
B
Retailer 17
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$673 USD
View
B
Retailer 18
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$691 USD
View
B
Retailer 19
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$923 USD
View
Most Expensive
B
Reve Diamonds
A5C211770 · Nov 6
$1,065 USD
View
19 more retailers have this diamond
Prices start from $160 USDSave up to $905 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
1.00ct Radiant
$160 USD