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Oval|Lab Grown|IGI

3.89ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG788660726

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788660726

Diamond specifications and retailer prices

From $1,039 AUD
$730 USD
As of October 31, 2026
Save $9,524 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,563 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.89ct lab-grown oval diamond

This 3.89ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788660726 or 788660726. Listed at 15 retailers as of October 29, 2026, with prices from $1,039 to $10,563, a $9,524 spread on the same certified stone. Brilliant Earth lists it at $10,563. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788660726
Dimensions12.71 × 8.88 × 5.43 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.71 mm8.88 mm3.89 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788660726
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

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 31
Current: $10,563 AUD|Low: $1,039 AUD|High: $10,563 AUD|Avg: $2,861 AUD|+75.4%
Brilliant Earth
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 31, 2026
Retailer 12$1,039 AUD
Retailer 3$1,130 AUD
Retailer 6$1,153 AUD
Retailer 10$1,294 AUD
Retailer 2$1,401 AUD
Retailer 15$1,482 AUD
Retailer 8$1,503 AUD
Retailer 18$1,856 AUD
Retailer 13$2,031 AUD
Retailer 5$2,144 AUD
Retailer 17$2,342 AUD
Retailer 9$2,897 AUD
Retailer 11$3,776 AUD
Retailer 14$4,035 AUD
Retailer 7$4,527 AUD
Retailer 4$5,489 AUD
Retailer 16$6,235 AUD
Brilliant Earth$10,563 AUD

15 data points across 18 retailers

15 retailers$1,039 AUD to $10,563 AUD

A
Cheapest Retailer
-
$1,039 AUD
$730 USD
A
Retailer 2
-
$1,130 AUD
$794 USD
View
B+
Retailer 3
-
$1,153 AUD
$810 USD
View
A
Retailer 4
-
$1,334 AUD
$937 USD
View
A
Retailer 5
-
$1,401 AUD
€937 EUR
View
A
Retailer 6
-
$1,856 AUD
$1,304 USD
View
B+
Retailer 7
-
$2,031 AUD
View
B+
Retailer 8
-
$2,144 AUD
$1,506 USD
View
B+
Retailer 9
-
$2,342 AUD
$1,645 USD
View
B
Retailer 10
-
$3,776 AUD
View
B
Retailer 11
-
$4,035 AUD
£2,232 GBP
View
Retailer 12
-
$4,527 AUD
$3,180 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$5,489 AUD
$3,856 USD
View
B
Retailer 14
-
$6,235 AUD
$4,380 USD
View
Most Expensive
B
Brilliant Earth
22276869A · Oct 29
$10,563 AUD
$7,420 USD
View
14 more retailers have this diamond
Prices start from $1,039 AUDSave up to $9,524 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 Oval
$1,039 AUD