Oval|Lab Grown|IGI

1.89ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG810636682

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG810636682

Diamond specifications and retailer prices

From $333 USD
HK$2,600 HKD
As of October 30, 2026
Save $1,087 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown oval diamond

This 1.89ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG810636682 or 810636682. Listed at 11 retailers as of October 29, 2026, with prices from $333 to $1,420, a $1,087 spread on the same certified stone. Brilliant Earth lists it at $1,420. 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

1.89
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810636682
Dimensions9.90 × 7.09 × 4.27 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
9.90 mm7.09 mm1.89 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810636682
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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 30
Current: $1,420 USD|Low: $400 USD|High: $1,460 USD|Avg: $810 USD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 5$474 USD
Retailer 6$499 USD
Retailer 2$558 USD
Retailer 8$563 USD
Retailer 9$693 USD
Retailer 7$747 USD
Retailer 10$959 USD
Retailer 4$1,185 USD
Retailer 3$1,190 USD
Brilliant Earth$1,420 USD

37 data points across 10 retailers

11 retailers$333 USD to $1,420 USD

A
Cheapest Retailer
-
$333 USD
HK$2,600 HKD
A
Retailer 2
-
$474 USD
€451 EUR
View
B+
Retailer 3
-
$499 USD
View
A
Retailer 4
-
$558 USD
£439 GBP
View
A
Retailer 5
-
$563 USD
View
B+
Retailer 6
-
$693 USD
View
B+
Retailer 7
-
$747 USD
View
B
Retailer 8
-
$959 USD
SGD 1,296 SGD
View
B
Retailer 9
-
$1,185 USD
View
B
Retailer 10
-
$1,190 USD
£937 GBP
View
Most Expensive
B
Brilliant Earth
20213402A · Oct 29
$1,420 USD
View
10 more retailers have this diamond
Prices start from $333 USDSave up to $1,087 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
1.89ct Oval
$333 USD