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Radiant|Lab Grown|IGI

3.71ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG585390358

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

Certificate IGI LG585390358

Diamond specifications and retailer prices

From $929 AUD
HK$5,100 HKD
As of October 30, 2026
Save $2,647 AUD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,576 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.71ct lab-grown radiant diamond

This 3.71ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG585390358 or 585390358. Listed at 15 retailers as of October 30, 2026, with prices from $929 to $3,576, a $2,647 spread on the same certified stone. MOH London lists it at $3,576. 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

3.71
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585390358
Dimensions10.90 × 7.61 × 5.22 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.90 mm7.61 mm3.71 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585390358
Side View
Table 67.0%Crown 40.7°Girdle: MED-STKPavilion 37.3°Culet: NoneDepth 68.6%

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: $3,576 AUD|Low: $847 AUD|High: $8,633 AUD|Avg: $2,840 AUD|-9.8%
MOH London
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 7$847 AUD
Retailer 14$929 AUD
Retailer 5$940 AUD
Retailer 15$1,053 AUD
Retailer 11$1,334 AUD
Retailer 12$1,636 AUD
Retailer 17$1,860 AUD
Retailer 2$1,920 AUD
Retailer 6$2,091 AUD
Retailer 3$2,301 AUD
Retailer 18$2,620 AUD
Retailer 16$2,716 AUD
Retailer 8$2,734 AUD
Retailer 13$2,794 AUD
Retailer 9$2,899 AUD
MOH London$3,576 AUD
Retailer 4$6,008 AUD
Retailer 10$8,633 AUD

27 data points across 18 retailers

15 retailers$929 AUD to $3,576 AUD

Retailer 1
-
$757 AUD
$532 USD
Price last confirmed 32 days ago
Retailer 2
-
$848 AUD
$596 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$927 AUD
$651 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$929 AUD
HK$5,100 HKD
View
A
Retailer 5
-
$1,053 AUD
$740 USD
View
B+
Retailer 6
-
$1,334 AUD
$937 USD
View
A
Retailer 7
-
$1,636 AUD
$1,149 USD
View
A
Retailer 8
-
$1,860 AUD
ZAR 21,108 ZAR
View
A
Retailer 9
-
$1,920 AUD
$1,349 USD
View
Retailer 10
-
$2,244 AUD
$1,576 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$2,301 AUD
$1,616 USD
View
Retailer 12
-
$2,470 AUD
$1,735 USD
View
Price last confirmed 32 days ago
B+
Retailer 13
-
$2,716 AUD
SGD 2,578 SGD
View
B+
Retailer 14
-
$2,794 AUD
$1,963 USD
View
Most Expensive
B+
MOH London
LG585390358 · Nov 1
$3,576 AUD
£1,978 GBP
View
14 more retailers have this diamond
Prices start from $929 AUDSave up to $2,647 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
3.71ct Radiant
$929 AUD