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Oval|Lab Grown|IGI

4.00ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG849660923

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG849660923

Diamond specifications and retailer prices

From $1,070 SGD
£659 GBP
As of November 1, 2026
Save $2,650 SGD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,719 SGD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG849660923 or 849660923. Listed at 7 retailers as of November 1, 2026, with prices from $1,070 to $3,719, a $2,650 spread on the same certified stone. Reve Diamonds lists it at $3,719. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.00
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849660923
Dimensions12.60 × 8.86 × 5.52 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.60 mm8.86 mm4.00 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849660923
Side View
Table 61.0%Crown 37.2°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 62.3%

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 1
Current: $1,070 SGD|Low: $1,070 SGD|High: $3,719 SGD|Avg: $2,043 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Reve Diamonds
November 1, 2026
Retailer 1$1,070 SGD
Retailer 3$1,387 SGD
Retailer 5$1,579 SGD
Retailer 2$1,779 SGD
Retailer 6$1,874 SGD
Retailer 4$2,759 SGD
Reve Diamonds$3,719 SGD

3 data points across 7 retailers

7 retailers$1,070 SGD to $3,719 SGD

A
Cheapest Retailer
-
$1,070 SGD
£659 GBP
B+
Retailer 2
-
$1,387 SGD
$1,085 USD
View
B+
Retailer 3
-
$1,579 SGD
$1,235 USD
View
B+
Retailer 4
-
$1,779 SGD
£1,096 GBP
View
B+
Retailer 5
-
$1,874 SGD
$1,466 USD
View
B
Retailer 6
-
$2,759 SGD
$2,158 USD
View
Most Expensive
B
Reve Diamonds
30CCB39E8 · Nov 1
$3,719 SGD
$2,909 USD
View
6 more retailers have this diamond
Prices start from $1,070 SGDSave up to $2,650 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
4.00ct Oval
$1,070 SGD