CaratHunter
Plans
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 $933 SGD
$730 USD
As of November 2, 2026
Save $8,616 SGD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,550 SGD at Brilliant Earth · As of November 1, 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 November 1, 2026, with prices from $933 to $9,550, a $8,616 spread on the same certified stone. Brilliant Earth lists it at $9,550. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,550 SGD|Low: $933 SGD|High: $9,550 SGD|Avg: $2,586 SGD|+76.6%
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
November 1, 2026
Retailer 13$933 SGD
Retailer 3$1,014 SGD
Retailer 6$1,036 SGD
Retailer 10$1,162 SGD
Retailer 11$1,258 SGD
Retailer 15$1,331 SGD
Retailer 8$1,349 SGD
Retailer 18$1,667 SGD
Retailer 14$1,824 SGD
Retailer 5$1,926 SGD
Retailer 17$2,103 SGD
Retailer 9$2,602 SGD
Retailer 12$3,391 SGD
Retailer 2$3,604 SGD
Retailer 7$4,065 SGD
Retailer 4$4,929 SGD
Retailer 16$5,599 SGD
Brilliant Earth$9,550 SGD

16 data points across 18 retailers

15 retailers$933 SGD to $9,550 SGD

A
Cheapest Retailer
-
$933 SGD
$730 USD
A
Retailer 2
-
$1,014 SGD
$794 USD
View
B+
Retailer 3
-
$1,036 SGD
$810 USD
View
A
Retailer 4
-
$1,198 SGD
$937 USD
View
A
Retailer 5
-
$1,258 SGD
€937 EUR
View
A
Retailer 6
-
$1,667 SGD
$1,304 USD
View
B+
Retailer 7
-
$1,824 SGD
A$2,195 AUD
View
B+
Retailer 8
-
$1,926 SGD
$1,506 USD
View
B+
Retailer 9
-
$2,103 SGD
$1,645 USD
View
B
Retailer 10
-
$3,391 SGD
A$4,081 AUD
View
B
Retailer 11
-
$3,604 SGD
£2,220 GBP
View
Retailer 12
-
$4,065 SGD
$3,180 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$4,929 SGD
$3,856 USD
View
B
Retailer 14
-
$5,599 SGD
$4,380 USD
View
Most Expensive
B
Brilliant Earth
22276869A · Nov 1
$9,550 SGD
$7,470 USD
View
14 more retailers have this diamond
Prices start from $933 SGDSave up to $8,616 SGD

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
$933 SGD