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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 HK$2,611 HKD
As of October 28, 2026
Save HK$8,529 HKD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$11,140 HKD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from HK$2,611 to HK$11,140, a HK$8,529 spread on the same certified stone. Brilliant Earth lists it at HK$11,140. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$11,140 HKD|Low: HK$3,138 HKD|High: HK$11,454 HKD|Avg: HK$6,356 HKD|-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 5HK$3,715 HKD
Retailer 6HK$3,915 HKD
Retailer 2HK$4,378 HKD
Retailer 8HK$4,417 HKD
Retailer 9HK$5,437 HKD
Retailer 7HK$5,860 HKD
Retailer 10HK$7,524 HKD
Retailer 4HK$9,296 HKD
Retailer 3HK$9,336 HKD
Brilliant EarthHK$11,140 HKD

37 data points across 10 retailers

11 retailersHK$2,611 HKD to HK$11,140 HKD

A
Cheapest Retailer
-
HK$2,611 HKD
A
Retailer 2
-
HK$3,715 HKD
€451 EUR
View
B+
Retailer 3
-
HK$3,915 HKD
$499 USD
View
A
Retailer 4
-
HK$4,378 HKD
£439 GBP
View
A
Retailer 5
-
HK$4,417 HKD
$563 USD
View
B+
Retailer 6
-
HK$5,437 HKD
$693 USD
View
B+
Retailer 7
-
HK$5,860 HKD
$747 USD
View
B
Retailer 8
-
HK$7,524 HKD
SGD 1,296 SGD
View
B
Retailer 9
-
HK$9,296 HKD
$1,185 USD
View
B
Retailer 10
-
HK$9,336 HKD
£937 GBP
View
Most Expensive
B
Brilliant Earth
20213402A · Oct 28
HK$11,140 HKD
$1,420 USD
View
10 more retailers have this diamond
Prices start from HK$2,611 HKDSave up to HK$8,529 HKD

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
HK$2,611 HKD