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 $377 SGD
£232 GBP
As of October 30, 2026
Save $1,847 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,224 SGD 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 $377 to $2,224, a $1,847 spread on the same certified stone. Queensmith lists it at $2,224. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $528 SGD|Low: $297 SGD|High: $1,483 SGD|Avg: $763 SGD|+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$297 SGD
Retailer 8$377 SGD
Retailer 2$494 SGD
Retailer 11$516 SGD
Retailer 1$528 SGD
Retailer 9$546 SGD
Retailer 4$632 SGD
Retailer 13$733 SGD
Retailer 12$905 SGD
Retailer 7$920 SGD
Retailer 3$969 SGD
Retailer 14$984 SGD
Retailer 10$1,413 SGD
Retailer 5$1,483 SGD

37 data points across 14 retailers

18 retailers$377 SGD to $2,224 SGD

Retailer 1
-
$297 SGD
$232 USD
Price last confirmed 35 days ago
A
Retailer 2
-
$377 SGD
£232 GBP
View
Retailer 3
-
$494 SGD
€368 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$516 SGD
ZAR 6,517 ZAR
View
A
Retailer 5
-
$528 SGD
$413 USD
View
A
Retailer 6
-
$546 SGD
£336 GBP
View
B+
Retailer 7
-
$619 SGD
$484 USD
View
B+
Retailer 8
-
$632 SGD
$494 USD
View
B+
Retailer 9
-
$733 SGD
A$882 AUD
View
B+
Retailer 10
-
$905 SGD
A$1,089 AUD
View
B+
Retailer 11
-
$920 SGD
$720 USD
View
Retailer 12
-
$965 SGD
$755 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$969 SGD
$758 USD
View
Retailer 14
-
$984 SGD
$770 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$1,034 SGD
$809 USD
View
B
Retailer 16
-
$1,413 SGD
£870 GBP
View
B
Retailer 17
-
$1,483 SGD
$1,160 USD
View
Most Expensive
B
Queensmith
LG771642711 · Oct 27
$2,224 SGD
£1,370 GBP
View
17 more retailers have this diamond
Prices start from $377 SGDSave up to $1,847 SGD

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
$377 SGD