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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG749572328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749572328

Diamond specifications and retailer prices

From $193 USD
As of October 30, 2026
Save $1,610 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,803 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round 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 LG749572328 or 749572328. Listed at 22 retailers as of October 27, 2026, with prices from $193 to $1,803, a $1,610 spread on the same certified stone. Queensmith lists it at $1,803. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749572328
Dimensions6.91 × 6.98 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm6.98 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749572328
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $365 USD|Low: $166 USD|High: $1,146 USD|Avg: $484 USD|-1.0%
Retailer 1
Retailer 2
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Retailer 21
October 30, 2026
Retailer 21$173 USD
Retailer 15$193 USD
Retailer 13$201 USD
Retailer 5$214 USD
Retailer 6$214 USD
Retailer 2$243 USD
Retailer 8$290 USD
Retailer 1$365 USD
Retailer 17$368 USD
Retailer 12$382 USD
Retailer 3$398 USD
Retailer 16$400 USD
Retailer 7$464 USD
Retailer 18$523 USD
Retailer 20$537 USD
Retailer 10$689 USD
Retailer 14$704 USD
Retailer 11$708 USD
Retailer 4$744 USD
Retailer 19$1,003 USD
Retailer 9$1,107 USD

34 data points across 21 retailers

22 retailers$193 USD to $1,803 USD

Retailer 1
-
$173 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$193 USD
View
Final sale: no returns
A
Retailer 3
-
$201 USD
View
A
Retailer 4
-
$214 USD
View
Retailer 5
-
$214 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 7
-
$290 USD
View
A
Retailer 8
-
$365 USD
£287 GBP
View
A
Retailer 9
-
$368 USD
ZAR 5,946 ZAR
View
A
Retailer 10
-
$382 USD
£301 GBP
View
A
Retailer 11
-
$398 USD
View
A
Retailer 12
-
$400 USD
€381 EUR
View
B+
Retailer 13
-
$464 USD
View
B+
Retailer 14
-
$523 USD
A$805 AUD
View
B+
Retailer 15
-
$537 USD
View
Retailer 16
-
$689 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$704 USD
SGD 951 SGD
View
B
Retailer 18
-
$708 USD
View
B
Retailer 19
-
$744 USD
View
B
Retailer 20
-
$1,003 USD
£790 GBP
View
B
Retailer 21
-
$1,107 USD
View
Most Expensive
B
Queensmith
LG749572328 · Oct 27
$1,803 USD
£1,420 GBP
View
21 more retailers have this diamond
Prices start from $193 USDSave up to $1,610 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 Round
$193 USD