Radiant|Lab Grown|IGI

1.20ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG617452400

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

Certificate IGI LG617452400

Diamond specifications and retailer prices

From $152 USD
As of October 27, 2026
Save $1,308 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,460 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG617452400 or 617452400. Listed at 11 retailers as of October 27, 2026, with prices from $152 to $1,460, a $1,308 spread on the same certified stone. Do Amore Diamonds lists it at $1,460. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617452400
Dimensions7.68 × 5.15 × 3.51 mm
L/W Ratio1.49
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
7.68 mm5.15 mm1.20 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617452400
Side View
Table 62.0%Crown 42.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 68.2%

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: Oct 27
Current: $1,460 USD|Low: $123 USD|High: $1,490 USD|Avg: $651 USD|-2.0%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 29, 2026
Retailer 15$152 USD
Retailer 19$174 USD
Retailer 13$176 USD
Retailer 17$344 USD
Retailer 3$357 USD
Retailer 5$370 USD
Retailer 4$418 USD
Retailer 8$479 USD
Retailer 12$506 USD
Retailer 10$580 USD
Retailer 14$639 USD
Retailer 9$644 USD
Retailer 16$668 USD
Retailer 6$842 USD
Retailer 7$890 USD
Retailer 2$977 USD
Retailer 11$1,128 USD
Retailer 18$1,300 USD
Do Amore Diamonds$1,460 USD

21 data points across 19 retailers

11 retailers$152 USD to $1,460 USD

A
Cheapest Retailer
-
$152 USD
A
Retailer 2
-
$174 USD
View
Final sale: no returns
A
Retailer 3
-
$176 USD
View
B+
Retailer 4
-
$344 USD
View
Retailer 5
-
$506 USD
A$779 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$639 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$668 USD
View
B
Retailer 8
-
$890 USD
View
B
Retailer 9
-
$977 USD
£769 GBP
View
C
Retailer 10
-
$1,300 USD
View
Most Expensive
C
Do Amore Diamonds
27-B9E1C0F16 · Oct 29
$1,460 USD
View
10 more retailers have this diamond
Prices start from $152 USDSave up to $1,308 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
1.20ct Radiant
$152 USD