Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG739585776

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

Certificate IGI LG739585776

Diamond specifications and retailer prices

From $168 USD
As of October 27, 2026
Save $1,452 USD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,620 USD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG739585776 or 739585776. Listed at 15 retailers as of October 27, 2026, with prices from $168 to $1,620, a $1,452 spread on the same certified stone. Do Amore Diamonds lists it at $1,620. 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

1.23
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739585776
Dimensions7.81 × 5.33 × 3.46 mm
L/W Ratio1.47
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
7.81 mm5.33 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739585776
Side View
Table 64.0%Crown 42.7°Girdle: MediumPavilion 35°Culet: NoneDepth 64.9%

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: $1,620 USD|Low: $162 USD|High: $1,650 USD|Avg: $569 USD|-1.8%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 29, 2026
Retailer 18$168 USD
Retailer 3$189 USD
Retailer 20$195 USD
Retailer 5$241 USD
Retailer 4$283 USD
Retailer 11$315 USD
Retailer 6$374 USD
Retailer 8$376 USD
Retailer 15$380 USD
Retailer 7$394 USD
Retailer 10$521 USD
Retailer 14$562 USD
Retailer 12$695 USD
Retailer 17$709 USD
Retailer 13$722 USD
Retailer 19$741 USD
Retailer 9$918 USD
Retailer 2$1,083 USD
Retailer 16$1,290 USD
Do Amore Diamonds$1,620 USD

28 data points across 20 retailers

15 retailers$168 USD to $1,620 USD

A
Cheapest Retailer
-
$168 USD
A
Retailer 2
-
$189 USD
View
Final sale: no returns
A
Retailer 3
-
$195 USD
View
A
Retailer 4
-
$241 USD
View
B+
Retailer 5
-
$283 USD
View
A
Retailer 6
-
$374 USD
View
A
Retailer 7
-
$380 USD
€362 EUR
View
B+
Retailer 8
-
$562 USD
A$865 AUD
View
B
Retailer 9
-
$695 USD
View
Price last confirmed 50 days ago
B
Retailer 10
-
$709 USD
View
B
Retailer 11
-
$722 USD
A$1,111 AUD
View
B+
Retailer 12
-
$741 USD
View
B
Retailer 13
-
$1,083 USD
£853 GBP
View
B
Retailer 14
-
$1,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-48A4AAABC · Oct 28
$1,620 USD
View
14 more retailers have this diamond
Prices start from $168 USDSave up to $1,452 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
1.23ct Radiant
$168 USD