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Radiant|Lab Grown|IGI

3.89ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG790695164

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

Certificate IGI LG790695164

Diamond specifications and retailer prices

From $988 AUD
$695 USD
As of October 27, 2026
Save $3,709 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,697 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 3.89ct lab-grown radiant diamond

This 3.89ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG790695164 or 790695164. Listed at 18 retailers as of October 26, 2026, with prices from $988 to $4,697, a $3,709 spread on the same certified stone. MOH London lists it at $4,697. 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

3.89
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790695164
Dimensions10.97 × 7.81 × 5.08 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.97 mm7.81 mm3.89 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790695164
Side View
Table 68.0%Crown 42.5°Girdle: ThickPavilion 33.9°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $4,697 AUD|Low: $988 AUD|High: $4,773 AUD|Avg: $2,572 AUD|-1.6%
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
October 28, 2026
Retailer 4$988 AUD
Retailer 11$1,105 AUD
Retailer 8$1,187 AUD
Retailer 10$1,187 AUD
Retailer 16$1,401 AUD
Retailer 14$1,542 AUD
Retailer 15$1,824 AUD
Retailer 12$1,864 AUD
Retailer 6$2,680 AUD
Retailer 5$2,733 AUD
Retailer 7$2,926 AUD
Retailer 2$2,950 AUD
Retailer 9$3,340 AUD
Retailer 17$3,554 AUD
Retailer 18$3,906 AUD
Retailer 13$3,941 AUD
Retailer 3$3,950 AUD
MOH London$4,697 AUD

20 data points across 18 retailers

18 retailers$988 AUD to $4,697 AUD

A
Cheapest Retailer
-
$988 AUD
$695 USD
A
Retailer 2
-
$1,105 AUD
$777 USD
View
Final sale: no returns
A
Retailer 3
-
$1,187 AUD
$835 USD
View
A
Retailer 4
-
$1,187 AUD
$835 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,401 AUD
$985 USD
View
A
Retailer 6
-
$1,542 AUD
£854 GBP
View
A
Retailer 7
-
$1,824 AUD
£1,010 GBP
View
A
Retailer 8
-
$1,864 AUD
$1,311 USD
View
B+
Retailer 9
-
$2,680 AUD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$2,733 AUD
ZAR 31,047 ZAR
View
B+
Retailer 11
-
$2,926 AUD
$2,058 USD
View
B+
Retailer 12
-
$2,950 AUD
$2,075 USD
View
B+
Retailer 13
-
$3,340 AUD
$2,349 USD
View
B+
Retailer 14
-
$3,554 AUD
£1,968 GBP
View
B+
Retailer 15
-
$3,906 AUD
$2,747 USD
View
B+
Retailer 16
-
$3,941 AUD
$2,772 USD
View
B+
Retailer 17
-
$3,950 AUD
$2,778 USD
View
Most Expensive
B
MOH London
LG790695164 · Oct 26
$4,697 AUD
£2,601 GBP
View
17 more retailers have this diamond
Prices start from $988 AUDSave up to $3,709 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
3.89ct Radiant
$988 AUD