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Radiant|Lab Grown|IGI

4.25ct I VVS1 Radiant Lab Grown Diamond

ID • I/VVS1 • IGI LG828682711

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

Certificate IGI LG828682711

Diamond specifications and retailer prices

From $2,013 SGD
$1,575 USD
As of October 31, 2026
Save $2,762 SGD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,775 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.25ct lab-grown radiant diamond

This 4.25ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828682711 or 828682711. Listed at 6 retailers as of October 31, 2026, with prices from $2,013 to $4,775, a $2,762 spread on the same certified stone. Taylor and Hart lists it at $4,775. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.25
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828682711
Dimensions12.00 × 8.55 × 4.94 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm8.55 mm4.25 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828682711
Side View
Table 69.0%Crown 43°Girdle: MediumPavilion 35°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,658 SGD|Low: $1,373 SGD|High: $4,775 SGD|Avg: $3,023 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 1, 2026
Retailer 4$1,373 SGD
Retailer 5$2,013 SGD
Retailer 3$2,201 SGD
Retailer 2$2,923 SGD
Retailer 1$4,658 SGD
Taylor and Hart$4,775 SGD

17 data points across 6 retailers

6 retailers$2,013 SGD to $4,775 SGD

Retailer 1
-
$1,373 SGD
$1,074 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$2,013 SGD
$1,575 USD
View
B+
Retailer 3
-
$2,201 SGD
$1,722 USD
View
B+
Retailer 4
-
$2,923 SGD
ZAR 36,937 ZAR
View
B
Retailer 5
-
$4,658 SGD
£2,869 GBP
View
Most Expensive
B
Taylor and Hart
4KPBL9K · Oct 31
$4,775 SGD
$3,735 USD
View
5 more retailers have this diamond
Prices start from $2,013 SGDSave up to $2,762 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.

B+
4.25ct Radiant
$2,013 SGD