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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 $644 AUD
$451 USD
As of October 30, 2026
Save $3,894 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,538 AUD 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 $644 to $4,538, a $3,894 spread on the same certified stone. Rare Carat lists it at $4,538. 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
Colour
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: $4,538 AUD|Low: $644 AUD|High: $6,854 AUD|Avg: $2,420 AUD|-13.5%
Rare Carat
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
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Retailer 17
Retailer 18
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Retailer 20
October 31, 2026
Retailer 9$644 AUD
Retailer 7$722 AUD
Retailer 14$799 AUD
Retailer 19$877 AUD
Retailer 13$883 AUD
Retailer 16$1,006 AUD
Retailer 6$1,251 AUD
Retailer 18$1,304 AUD
Retailer 5$1,589 AUD
Retailer 15$1,595 AUD
Retailer 10$1,720 AUD
Retailer 4$1,975 AUD
Retailer 2$2,147 AUD
Retailer 20$2,567 AUD
Retailer 8$2,613 AUD
Retailer 17$2,950 AUD
Retailer 3$3,503 AUD
Rare Carat$4,538 AUD
Retailer 12$5,836 AUD
Retailer 11$6,854 AUD

5 data points across 20 retailers

17 retailers$644 AUD to $4,538 AUD

A
Cheapest Retailer
-
$644 AUD
$451 USD
A
Retailer 2
-
$722 AUD
$506 USD
View
A
Retailer 3
-
$799 AUD
$560 USD
View
A
Retailer 4
-
$877 AUD
HK$4,800 HKD
View
A
Retailer 5
-
$883 AUD
£487 GBP
View
A
Retailer 6
-
$1,006 AUD
$705 USD
View
B+
Retailer 7
-
$1,251 AUD
$877 USD
View
A
Retailer 8
-
$1,304 AUD
$914 USD
View
A
Retailer 9
-
$1,589 AUD
ZAR 17,994 ZAR
View
A
Retailer 10
-
$1,595 AUD
View
A
Retailer 11
-
$1,975 AUD
$1,384 USD
View
B+
Retailer 12
-
$2,147 AUD
$1,505 USD
View
B+
Retailer 13
-
$2,567 AUD
$1,799 USD
View
B+
Retailer 14
-
$2,613 AUD
$1,831 USD
View
B+
Retailer 15
-
$2,950 AUD
£1,628 GBP
View
B
Retailer 16
-
$3,503 AUD
$2,455 USD
View
Most Expensive
B
Rare Carat
KI6104286KF636 · Oct 28
$4,538 AUD
$3,180 USD
View
16 more retailers have this diamond
Prices start from $644 AUDSave up to $3,894 AUD

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
$644 AUD