Radiant|Lab Grown|IGI

4.34ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG636428610

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

Certificate IGI LG636428610

Diamond specifications and retailer prices

From $451 USD
As of October 30, 2026
Save $2,729 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,180 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.34ct lab-grown radiant diamond

This 4.34ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636428610 or 636428610. Listed at 17 retailers as of October 28, 2026, with prices from $451 to $3,180, a $2,729 spread on the same certified stone. Rare Carat lists it at $3,180. 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

4.34
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636428610
Dimensions11.80 × 7.98 × 5.21 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.80 mm7.98 mm4.34 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636428610
Side View
Table 64.0%Crown 45.2°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 65.3%

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: $3,180 USD|Low: $451 USD|High: $4,804 USD|Avg: $1,696 USD|-13.5%
Rare Carat
Retailer 2
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Retailer 20
October 31, 2026
Retailer 9$451 USD
Retailer 7$506 USD
Retailer 14$560 USD
Retailer 19$614 USD
Retailer 13$619 USD
Retailer 16$705 USD
Retailer 6$877 USD
Retailer 18$914 USD
Retailer 5$1,114 USD
Retailer 15$1,118 USD
Retailer 10$1,205 USD
Retailer 4$1,384 USD
Retailer 2$1,505 USD
Retailer 20$1,799 USD
Retailer 8$1,831 USD
Retailer 17$2,068 USD
Retailer 3$2,455 USD
Rare Carat$3,180 USD
Retailer 12$4,090 USD
Retailer 11$4,804 USD

5 data points across 20 retailers

17 retailers$451 USD to $3,180 USD

A
Cheapest Retailer
-
$451 USD
A
Retailer 2
-
$506 USD
View
A
Retailer 3
-
$560 USD
View
A
Retailer 4
-
$614 USD
HK$4,800 HKD
View
A
Retailer 5
-
$619 USD
£487 GBP
View
A
Retailer 6
-
$705 USD
View
B+
Retailer 7
-
$877 USD
View
A
Retailer 8
-
$914 USD
View
A
Retailer 9
-
$1,114 USD
ZAR 17,994 ZAR
View
A
Retailer 10
-
$1,118 USD
A$1,720 AUD
View
A
Retailer 11
-
$1,384 USD
View
B+
Retailer 12
-
$1,505 USD
View
B+
Retailer 13
-
$1,799 USD
View
B+
Retailer 14
-
$1,831 USD
View
B+
Retailer 15
-
$2,068 USD
£1,628 GBP
View
B
Retailer 16
-
$2,455 USD
View
Most Expensive
B
Rare Carat
KI6104286KF636 · Oct 28
$3,180 USD
View
16 more retailers have this diamond
Prices start from $451 USDSave up to $2,729 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
4.34ct Radiant
$451 USD