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Round|Lab Grown|IGI

1.23ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG669437829

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669437829

Diamond specifications and retailer prices

From $288 CAD
$206 USD
As of October 27, 2026
Save $1,311 CAD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,600 CAD at Flawless Fine Jewelry · As of October 29, 2026
View at Flawless Fine Jewelry

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 LG669437829 or 669437829. Listed at 25 retailers as of October 27, 2026, with prices from $288 to $1,600, a $1,311 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,600. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669437829
Dimensions6.88 × 6.85 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.85 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669437829
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.4%

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 27
Current: $1,600 CAD|Low: $234 CAD|High: $1,600 CAD|Avg: $720 CAD
Flawless Fine Jewelry
Retailer 2
Retailer 3
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Retailer 23
October 30, 2026
Retailer 5$248 CAD
Retailer 21$276 CAD
Retailer 22$288 CAD
Retailer 11$308 CAD
Retailer 15$308 CAD
Retailer 13$525 CAD
Retailer 18$528 CAD
Retailer 6$547 CAD
Retailer 2$551 CAD
Retailer 4$560 CAD
Retailer 17$570 CAD
Retailer 9$655 CAD
Retailer 3$699 CAD
Retailer 16$735 CAD
Retailer 19$751 CAD
Retailer 8$990 CAD
Retailer 12$1,041 CAD
Retailer 23$1,044 CAD
Retailer 10$1,065 CAD
Retailer 14$1,218 CAD
Retailer 20$1,440 CAD
Retailer 7$1,569 CAD
Flawless Fine Jewelry$1,600 CAD

36 data points across 23 retailers

25 retailers$288 CAD to $1,600 CAD

Retailer 1
-
$244 CAD
$174 USD
Price last confirmed 38 days ago
Retailer 2
-
$248 CAD
$177 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$276 CAD
$197 USD
View
Price last confirmed 8 days ago
Final sale: no returns
Retailer 4
-
$281 CAD
$201 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$288 CAD
$206 USD
View
Retailer 6
-
$298 CAD
$213 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$308 CAD
$220 USD
View
Retailer 8
-
$308 CAD
$220 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$525 CAD
£295 GBP
View
A
Retailer 10
-
$528 CAD
ZAR 6,097 ZAR
View
A
Retailer 11
-
$547 CAD
$391 USD
View
B+
Retailer 12
-
$551 CAD
£310 GBP
View
A
Retailer 13
-
$560 CAD
$400 USD
View
B+
Retailer 14
-
$570 CAD
€388 EUR
View
B+
Retailer 15
-
$655 CAD
$468 USD
View
B+
Retailer 16
-
$699 CAD
A$768 AUD
View
B+
Retailer 17
-
$751 CAD
A$825 AUD
View
Retailer 18
-
$990 CAD
$707 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$1,041 CAD
$744 USD
View
B
Retailer 20
-
$1,044 CAD
$746 USD
View
B
Retailer 21
-
$1,065 CAD
$761 USD
View
Retailer 22
-
$1,218 CAD
$870 USD
View
Price last confirmed 13 days ago
B
Retailer 23
-
$1,440 CAD
£810 GBP
View
B
Retailer 24
-
$1,569 CAD
$1,121 USD
View
Most Expensive
B
Flawless Fine Jewelry
D52129277 · Oct 29
$1,600 CAD
£900 GBP
View
24 more retailers have this diamond
Prices start from $288 CADSave up to $1,311 CAD

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
$288 CAD