Oval|Lab Grown|IGI

3.63ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG831609255

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831609255

Diamond specifications and retailer prices

From $423 USD
As of October 29, 2026
Save $2,687 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,110 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.63ct lab-grown oval diamond

This 3.63ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831609255 or 831609255. Listed at 15 retailers as of October 28, 2026, with prices from $423 to $3,110, a $2,687 spread on the same certified stone. Rare Carat lists it at $3,110. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.63
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831609255
Dimensions11.89 × 8.79 × 5.47 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.89 mm8.79 mm3.63 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831609255
Side View
Table 57.0%Crown 38.6°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 62.2%

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: $3,110 USD|Low: $406 USD|High: $3,145 USD|Avg: $1,038 USD|-1.1%
Rare Carat
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
October 30, 2026
Retailer 13$423 USD
Retailer 5$473 USD
Retailer 12$473 USD
Retailer 14$524 USD
Retailer 2$643 USD
Retailer 10$702 USD
Retailer 9$705 USD
Retailer 7$862 USD
Retailer 6$924 USD
Retailer 3$1,420 USD
Retailer 11$1,470 USD
Retailer 4$1,684 USD
Retailer 8$1,935 USD
Rare Carat$3,110 USD

43 data points across 14 retailers

15 retailers$423 USD to $3,110 USD

A
Cheapest Retailer
-
$423 USD
A
Retailer 2
-
$473 USD
View
A
Retailer 3
-
$473 USD
View
Final sale: no returns
A
Retailer 4
-
$524 USD
View
A
Retailer 5
-
$643 USD
£507 GBP
View
B+
Retailer 6
-
$702 USD
View
A
Retailer 7
-
$705 USD
View
A
Retailer 8
-
$862 USD
£678 GBP
View
A
Retailer 9
-
$924 USD
View
B+
Retailer 10
-
$1,420 USD
View
B+
Retailer 11
-
$1,470 USD
View
B+
Retailer 12
-
$1,684 USD
View
B+
Retailer 13
-
$1,718 USD
View
B+
Retailer 14
-
$1,935 USD
£1,524 GBP
View
Most Expensive
B
Rare Carat
PY-1-A_l_831609255 · Oct 28
$3,110 USD
View
14 more retailers have this diamond
Prices start from $423 USDSave up to $2,687 USD

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
3.63ct Oval
$423 USD