Radiant|Lab Grown|IGI

1.23ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG744522308

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

Certificate IGI LG744522308

Diamond specifications and retailer prices

From $183 USD
As of October 29, 2026
Save $1,387 USD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,570 USD at Do Amore Diamonds · As of October 29, 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 LG744522308 or 744522308. Listed at 13 retailers as of October 29, 2026, with prices from $183 to $1,570, a $1,387 spread on the same certified stone. Do Amore Diamonds lists it at $1,570. 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 angle47.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744522308
Dimensions7.22 × 5.29 × 3.75 mm
L/W Ratio1.36
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
7.22 mm5.29 mm1.23 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744522308
Side View
Table 60.0%Crown 47.3°Girdle: MediumPavilion 36.8°Culet: NoneDepth 70.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,570 USD|Low: $172 USD|High: $1,630 USD|Avg: $607 USD|+5.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 26, 2026
Retailer 7$183 USD
Retailer 10$239 USD
Retailer 11$279 USD
Retailer 4$350 USD
Retailer 13$385 USD
Retailer 9$453 USD
Retailer 2$545 USD
Retailer 6$563 USD
Retailer 3$705 USD
Retailer 12$749 USD
Retailer 5$811 USD
Retailer 8$1,046 USD
Do Amore Diamonds$1,570 USD

24 data points across 13 retailers

13 retailers$183 USD to $1,570 USD

A
Retailer 1
-
$163 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$183 USD
View
Final sale: no returns
A
Retailer 3
-
$191 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$239 USD
View
B+
Retailer 5
-
$279 USD
View
A
Retailer 6
-
$453 USD
View
B+
Retailer 7
-
$545 USD
A$839 AUD
View
B+
Retailer 8
-
$563 USD
View
B
Retailer 9
-
$705 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$748 USD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$749 USD
View
B
Retailer 12
-
$1,046 USD
£824 GBP
View
Most Expensive
B
Do Amore Diamonds
27-085B4B35E · Oct 29
$1,570 USD
View
12 more retailers have this diamond
Prices start from $183 USDSave up to $1,387 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
$183 USD