Radiant|Lab Grown|IGI

1.29ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG771642711

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

Certificate IGI LG771642711

Diamond specifications and retailer prices

From $295 USD
£232 GBP
As of October 30, 2026
Save $1,445 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,740 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 very-good cut grade and certified by IGI LG771642711 or 771642711. Listed at 18 retailers as of October 27, 2026, with prices from $295 to $1,740, a $1,445 spread on the same certified stone. Queensmith lists it at $1,740. 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

1.29
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771642711
Dimensions5.16 × 5.16 × 3.77 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.16 mm5.16 mm1.29 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771642711
Side View
Table 70.0%Crown 44°Girdle: MediumPavilion 37.1°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $413 USD|Low: $232 USD|High: $1,160 USD|Avg: $597 USD|+29.9%
Retailer 1
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
October 31, 2026
Retailer 6$232 USD
Retailer 8$295 USD
Retailer 2$386 USD
Retailer 11$403 USD
Retailer 1$413 USD
Retailer 9$427 USD
Retailer 4$494 USD
Retailer 13$573 USD
Retailer 12$708 USD
Retailer 7$720 USD
Retailer 3$758 USD
Retailer 14$770 USD
Retailer 10$1,105 USD
Retailer 5$1,160 USD

37 data points across 14 retailers

18 retailers$295 USD to $1,740 USD

Retailer 1
-
$232 USD
Price last confirmed 36 days ago
A
Retailer 2
-
$295 USD
£232 GBP
View
Retailer 3
-
$386 USD
€368 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$403 USD
ZAR 6,517 ZAR
View
A
Retailer 5
-
$413 USD
View
A
Retailer 6
-
$427 USD
£336 GBP
View
B+
Retailer 7
-
$484 USD
View
B+
Retailer 8
-
$494 USD
View
B+
Retailer 9
-
$573 USD
A$882 AUD
View
B+
Retailer 10
-
$708 USD
A$1,089 AUD
View
B+
Retailer 11
-
$720 USD
View
Retailer 12
-
$755 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$758 USD
View
Retailer 14
-
$770 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$809 USD
View
B
Retailer 16
-
$1,105 USD
£870 GBP
View
B
Retailer 17
-
$1,160 USD
View
Most Expensive
B
Queensmith
LG771642711 · Oct 27
$1,740 USD
£1,370 GBP
View
17 more retailers have this diamond
Prices start from $295 USDSave up to $1,445 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
$295 USD