CaratHunter
Plans
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 $206 USD
As of October 30, 2026
Save $937 USD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,143 USD 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 29, 2026, with prices from $206 to $1,143, a $937 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,143. 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 30
Current: $1,143 USD|Low: $167 USD|High: $1,143 USD|Avg: $515 USD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 30, 2026
Retailer 5$177 USD
Retailer 21$197 USD
Retailer 22$206 USD
Retailer 11$220 USD
Retailer 15$220 USD
Retailer 2$374 USD
Retailer 18$377 USD
Retailer 6$391 USD
Retailer 13$394 USD
Retailer 4$400 USD
Retailer 17$407 USD
Retailer 9$468 USD
Retailer 3$499 USD
Retailer 16$525 USD
Retailer 19$536 USD
Retailer 8$707 USD
Retailer 12$744 USD
Retailer 23$746 USD
Retailer 10$761 USD
Retailer 14$870 USD
Retailer 20$1,029 USD
Retailer 7$1,121 USD
Flawless Fine Jewelry$1,143 USD

36 data points across 23 retailers

25 retailers$206 USD to $1,143 USD

Retailer 1
-
$174 USD
Price last confirmed 39 days ago
Retailer 2
-
$177 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$197 USD
View
Price last confirmed 8 days ago
Final sale: no returns
Retailer 4
-
$201 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$206 USD
View
Retailer 6
-
$213 USD
View
Price last confirmed 39 days ago
A
Retailer 7
-
$220 USD
View
Retailer 8
-
$220 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$374 USD
£295 GBP
View
A
Retailer 10
-
$377 USD
ZAR 6,097 ZAR
View
A
Retailer 11
-
$391 USD
View
B+
Retailer 12
-
$394 USD
£310 GBP
View
A
Retailer 13
-
$400 USD
View
B+
Retailer 14
-
$407 USD
€388 EUR
View
B+
Retailer 15
-
$468 USD
View
B+
Retailer 16
-
$499 USD
A$768 AUD
View
B+
Retailer 17
-
$536 USD
A$825 AUD
View
Retailer 18
-
$707 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$744 USD
View
B
Retailer 20
-
$746 USD
View
B
Retailer 21
-
$761 USD
View
Retailer 22
-
$870 USD
View
Price last confirmed 14 days ago
B
Retailer 23
-
$1,029 USD
£810 GBP
View
B
Retailer 24
-
$1,121 USD
View
Most Expensive
B
Flawless Fine Jewelry
D52129277 · Oct 29
$1,143 USD
£900 GBP
View
24 more retailers have this diamond
Prices start from $206 USDSave up to $937 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
$206 USD