Radiant|Lab Grown|IGI

1.29ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG843657153

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

Certificate IGI LG843657153

Diamond specifications and retailer prices

From $196 USD
As of October 30, 2026
Save $985 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,230 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843657153 or 843657153. Listed at 18 retailers as of October 30, 2026, with a 503% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843657153
Dimensions7.88 × 5.26 × 3.58 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm5.26 mm1.29 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843657153
Side View
Table 65.0%Crown 41.8°Girdle: MediumPavilion 35°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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 30
Current: $1,230 USD|Low: $196 USD|High: $1,230 USD|Avg: $559 USD
Brilliant Earth
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
October 30, 2026
Retailer 17$196 USD
Retailer 18$218 USD
Retailer 15$228 USD
Retailer 8$243 USD
Retailer 14$243 USD
Retailer 2$306 USD
Retailer 12$418 USD
Retailer 3$424 USD
Retailer 11$444 USD
Retailer 6$485 USD
Retailer 16$567 USD
Retailer 13$593 USD
Retailer 9$645 USD
Retailer 7$782 USD
Retailer 5$785 USD
Retailer 10$836 USD
Retailer 4$1,181 USD
Brilliant Earth$1,230 USD

10 data points across 18 retailers

18 retailers$196 USD to $1,181 USD

A
Cheapest Retailer
-
$196 USD
A
Retailer 2
-
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$228 USD
View
A
Retailer 4
-
$243 USD
View
A
Retailer 5
-
$243 USD
View
A
Retailer 6
-
$306 USD
£241 GBP
View
A
Retailer 7
-
$418 USD
ZAR 6,748 ZAR
View
A
Retailer 8
-
$424 USD
View
A
Retailer 9
-
$444 USD
£350 GBP
View
A
Retailer 10
-
$485 USD
View
B+
Retailer 11
-
$567 USD
View
B+
Retailer 12
-
$593 USD
A$913 AUD
View
Retailer 13
-
$645 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$782 USD
View
B
Retailer 15
-
$785 USD
View
B
Retailer 16
-
$836 USD
View
B
Retailer 17
-
$1,181 USD
View
Most Expensive
Brilliant Earth
22222569A · Oct 22
$1,230 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $196 USDSave up to $985 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
1.29ct Radiant
$196 USD