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Oval|Lab Grown|IGI

1.83ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG514270728

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG514270728

Diamond specifications and retailer prices

From HK$2,063 HKD
$263 USD
As of October 28, 2026
Save HK$10,960 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$13,023 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.83ct lab-grown oval diamond

This 1.83ct 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 LG514270728 or 514270728. Listed at 18 retailers as of October 28, 2026, with prices from HK$2,063 to HK$13,023, a HK$10,960 spread on the same certified stone. Brilliant Earth lists it at HK$13,023. 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

1.83
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514270728
Dimensions9.77 × 6.91 × 4.33 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.77 mm6.91 mm1.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514270728
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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 28
Current: HK$13,023 HKD|Low: HK$2,314 HKD|High: HK$13,415 HKD|Avg: HK$6,365 HKD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8HK$2,314 HKD
Retailer 4HK$3,805 HKD
Retailer 5HK$4,218 HKD
Retailer 7HK$4,268 HKD
Retailer 9HK$4,723 HKD
Retailer 3HK$4,877 HKD
Retailer 6HK$7,869 HKD
Retailer 10HK$8,255 HKD
Retailer 2HK$10,312 HKD
Brilliant EarthHK$13,023 HKD

42 data points across 10 retailers

18 retailersHK$2,063 HKD to HK$13,023 HKD

A
Cheapest Retailer
-
HK$2,063 HKD
$263 USD
A
Retailer 2
-
HK$2,314 HKD
$295 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,393 HKD
$305 USD
View
A
Retailer 4
-
HK$2,558 HKD
$326 USD
View
A
Retailer 5
-
HK$2,558 HKD
$326 USD
View
A
Retailer 6
-
HK$2,812 HKD
View
A
Retailer 7
-
HK$3,805 HKD
$485 USD
View
A
Retailer 8
-
HK$4,218 HKD
€512 EUR
View
B+
Retailer 9
-
HK$4,268 HKD
$544 USD
View
B+
Retailer 10
-
HK$4,723 HKD
$602 USD
View
A
Retailer 11
-
HK$4,877 HKD
£490 GBP
View
B+
Retailer 12
-
HK$5,099 HKD
$650 USD
View
B
Retailer 13
-
HK$7,869 HKD
$1,003 USD
View
B
Retailer 14
-
HK$8,230 HKD
$1,049 USD
View
B
Retailer 15
-
HK$8,255 HKD
SGD 1,422 SGD
View
B
Retailer 16
-
HK$8,546 HKD
$1,089 USD
View
Price last confirmed 72 days ago
B
Retailer 17
-
HK$10,312 HKD
£1,035 GBP
View
Most Expensive
B
Brilliant Earth
19055812A · Oct 28
HK$13,023 HKD
$1,660 USD
View
17 more retailers have this diamond
Prices start from HK$2,063 HKDSave up to HK$10,960 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
1.83ct Oval
HK$2,063 HKD