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Oval|Lab Grown|IGI

3.56ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG848664508

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG848664508

Diamond specifications and retailer prices

From $458 USD
As of October 29, 2026
Save $2,972 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,430 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.56ct lab-grown oval diamond

This 3.56ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG848664508 or 848664508. Listed at 16 retailers as of October 28, 2026, with prices from $458 to $3,430, a $2,972 spread on the same certified stone. Brilliant Earth lists it at $3,430. 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

3.56
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848664508
Dimensions11.79 × 8.45 × 5.46 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
11.79 mm8.45 mm3.56 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848664508
Side View
Table 61.0%Crown 36.7°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.6%

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: $3,430 USD|Low: $458 USD|High: $3,430 USD|Avg: $1,354 USD
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 7$458 USD
Retailer 4$513 USD
Retailer 12$513 USD
Retailer 3$568 USD
Retailer 11$705 USD
Retailer 2$777 USD
Retailer 6$888 USD
Retailer 9$940 USD
Retailer 15$961 USD
Retailer 13$1,526 USD
Retailer 16$1,769 USD
Retailer 14$1,825 USD
Retailer 8$1,856 USD
Retailer 10$2,097 USD
Retailer 5$3,010 USD
Brilliant Earth$3,430 USD

11 data points across 16 retailers

16 retailers$458 USD to $3,430 USD

A
Cheapest Retailer
-
$458 USD
A
Retailer 2
-
$513 USD
View
A
Retailer 3
-
$513 USD
View
Final sale: no returns
A
Retailer 4
-
$568 USD
View
A
Retailer 5
-
$705 USD
View
A
Retailer 6
-
$777 USD
£611 GBP
View
B+
Retailer 7
-
$888 USD
View
A
Retailer 8
-
$940 USD
£740 GBP
View
B+
Retailer 9
-
$961 USD
View
B+
Retailer 10
-
$1,526 USD
View
B
Retailer 11
-
$1,769 USD
View
B
Retailer 12
-
$1,825 USD
View
B
Retailer 13
-
$1,856 USD
View
B
Retailer 14
-
$2,097 USD
£1,651 GBP
View
B
Retailer 15
-
$3,010 USD
View
Most Expensive
B
Brilliant Earth
22219804A · Oct 28
$3,430 USD
View
15 more retailers have this diamond
Prices start from $458 USDSave up to $2,972 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
3.56ct Oval
$458 USD