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Oval|Lab Grown|IGI

4.50ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG745516776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG745516776

Diamond specifications and retailer prices

From $772 SGD
$604 USD
As of October 29, 2026
Save $4,073 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,845 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.5ct lab-grown oval diamond

This 4.5ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG745516776 or 745516776. Listed at 19 retailers as of October 29, 2026, with prices from $772 to $4,845, a $4,073 spread on the same certified stone. Brilliant Earth lists it at $4,845. 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

4.50
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745516776
Dimensions12.78 × 9.04 × 5.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.78 mm9.04 mm4.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745516776
Side View
Table 57.0%Crown 36.7°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 65.0%

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 29
Current: $4,845 SGD|Low: $741 SGD|High: $4,845 SGD|Avg: $2,055 SGD
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
Retailer 19
October 30, 2026
Retailer 3$772 SGD
Retailer 2$802 SGD
Retailer 4$864 SGD
Retailer 18$864 SGD
Retailer 6$958 SGD
Retailer 10$958 SGD
Retailer 14$1,125 SGD
Retailer 19$1,272 SGD
Retailer 15$1,440 SGD
Retailer 8$1,474 SGD
Retailer 12$1,498 SGD
Retailer 17$2,048 SGD
Retailer 7$2,339 SGD
Retailer 9$2,518 SGD
Retailer 5$3,026 SGD
Retailer 11$3,096 SGD
Retailer 13$4,179 SGD
Retailer 16$4,244 SGD
Brilliant Earth$4,845 SGD

37 data points across 19 retailers

19 retailers$772 SGD to $4,845 SGD

A
Cheapest Retailer
-
$772 SGD
$604 USD
A
Retailer 2
-
$802 SGD
£494 GBP
View
A
Retailer 3
-
$864 SGD
$676 USD
View
Final sale: no returns
A
Retailer 4
-
$864 SGD
$676 USD
View
Retailer 5
-
$958 SGD
$749 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$958 SGD
$749 USD
View
A
Retailer 7
-
$1,125 SGD
$880 USD
View
B+
Retailer 8
-
$1,272 SGD
$995 USD
View
A
Retailer 9
-
$1,440 SGD
€1,073 EUR
View
B+
Retailer 10
-
$1,474 SGD
$1,153 USD
View
B+
Retailer 11
-
$1,498 SGD
£923 GBP
View
B+
Retailer 12
-
$2,048 SGD
$1,602 USD
View
B+
Retailer 13
-
$2,339 SGD
$1,830 USD
View
B
Retailer 14
-
$2,518 SGD
$1,970 USD
View
B
Retailer 15
-
$3,026 SGD
$2,367 USD
View
B
Retailer 16
-
$3,096 SGD
$2,422 USD
View
B
Retailer 17
-
$4,179 SGD
£2,574 GBP
View
Retailer 18
-
$4,244 SGD
$3,320 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18205689A · Oct 29
$4,845 SGD
$3,790 USD
View
18 more retailers have this diamond
Prices start from $772 SGDSave up to $4,073 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
4.50ct Oval
$772 SGD