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Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG807603558

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807603558

Diamond specifications and retailer prices

From $706 SGD
$552 USD
As of October 29, 2026
Save $3,980 SGD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,354 SGD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 3.91ct lab-grown oval diamond

This 3.91ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807603558 or 807603558. Listed at 7 retailers as of October 28, 2026, with a 564% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.91
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807603558
Dimensions12.43 × 8.89 × 12.43 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.43 mm8.89 mm3.91 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807603558
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 29
Current: $6,354 SGD|Low: $489 SGD|High: $6,545 SGD|Avg: $2,224 SGD|-2.9%
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
October 30, 2026
Retailer 6$489 SGD
Retailer 9$706 SGD
Retailer 12$839 SGD
Retailer 13$954 SGD
Retailer 5$972 SGD
Retailer 3$1,195 SGD
Retailer 2$1,263 SGD
Retailer 15$1,266 SGD
Retailer 4$2,005 SGD
Retailer 14$2,260 SGD
Retailer 16$2,423 SGD
Retailer 7$2,726 SGD
Retailer 8$2,869 SGD
Retailer 10$4,685 SGD
Retailer 11$6,200 SGD
Brilliant Earth$6,354 SGD

38 data points across 16 retailers

7 retailers$706 SGD to $4,685 SGD

A
Cheapest Retailer
-
$706 SGD
$552 USD
Final sale: no returns
A
Retailer 2
-
$1,263 SGD
£778 GBP
View
Retailer 3
-
$2,005 SGD
$1,568 USD
View
Price last confirmed 44 days ago
Retailer 4
-
$3,656 SGD
A$4,400 AUD
View
Price last confirmed 119 days ago
B
Retailer 5
-
$4,685 SGD
$3,665 USD
View
Retailer 6
-
$6,200 SGD
$4,850 USD
View
Price last confirmed 7 days ago
Most Expensive
Brilliant Earth
20100737A · Oct 10
$6,354 SGD
$4,970 USD
View
Price last confirmed 20 days ago
6 more retailers have this diamond
Prices start from $706 SGDSave up to $3,980 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
3.91ct Oval
$706 SGD