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Oval|Lab Grown|IGI

1.78ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836620561

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836620561

Diamond specifications and retailer prices

From HK$3,005 HKD
$383 USD
As of October 29, 2026
Save HK$32,343 HKD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$35,348 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.78ct lab-grown oval diamond

This 1.78ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620561 or 836620561. Listed at 20 retailers as of October 28, 2026, with prices from HK$3,005 to HK$35,348, a HK$32,343 spread on the same certified stone. Rare Carat lists it at HK$35,348. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620561
Dimensions10.00 × 6.65 × 4.24 mm
L/W Ratio1.50
Girdle conditionFaceted
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
10.00 mm6.65 mm1.78 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620561
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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 29
Current: HK$35,348 HKD|Low: HK$3,005 HKD|High: HK$35,740 HKD|Avg: HK$10,919 HKD|-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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 20HK$3,005 HKD
Retailer 17HK$3,366 HKD
Retailer 4HK$3,421 HKD
Retailer 8HK$3,727 HKD
Retailer 16HK$3,727 HKD
Retailer 14HK$4,904 HKD
Retailer 18HK$5,924 HKD
Retailer 13HK$6,399 HKD
Retailer 9HK$6,410 HKD
Retailer 2HK$6,740 HKD
Retailer 19HK$10,444 HKD
Retailer 3HK$10,938 HKD
Retailer 7HK$11,966 HKD
Retailer 5HK$12,267 HKD
Retailer 11HK$12,820 HKD
Retailer 6HK$12,923 HKD
Retailer 15HK$14,569 HKD
Retailer 10HK$17,427 HKD
Retailer 12HK$29,424 HKD
Rare CaratHK$35,348 HKD

29 data points across 20 retailers

20 retailersHK$3,005 HKD to HK$35,348 HKD

A
Cheapest Retailer
-
HK$3,005 HKD
$383 USD
A
Retailer 2
-
HK$3,366 HKD
$429 USD
View
A
Retailer 3
-
HK$3,421 HKD
$436 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,727 HKD
$475 USD
View
A
Retailer 5
-
HK$3,727 HKD
$475 USD
View
A
Retailer 6
-
HK$4,904 HKD
$625 USD
View
A
Retailer 7
-
HK$5,924 HKD
$755 USD
View
A
Retailer 8
-
HK$6,399 HKD
ZAR 13,174 ZAR
View
A
Retailer 9
-
HK$6,410 HKD
€778 EUR
View
A
Retailer 10
-
HK$6,740 HKD
£676 GBP
View
B+
Retailer 11
-
HK$10,444 HKD
$1,331 USD
View
B+
Retailer 12
-
HK$10,938 HKD
$1,394 USD
View
B+
Retailer 13
-
HK$11,966 HKD
$1,525 USD
View
B+
Retailer 14
-
HK$12,267 HKD
$1,563 USD
View
B+
Retailer 15
-
HK$12,820 HKD
SGD 2,208 SGD
View
B+
Retailer 16
-
HK$12,923 HKD
$1,647 USD
View
B+
Retailer 17
-
HK$14,569 HKD
£1,462 GBP
View
B+
Retailer 18
-
HK$17,427 HKD
$2,221 USD
View
B
Retailer 19
-
HK$29,424 HKD
$3,750 USD
View
Most Expensive
B
Rare Carat
PD-241524 · Oct 28
HK$35,348 HKD
$4,505 USD
View
19 more retailers have this diamond
Prices start from HK$3,005 HKDSave up to HK$32,343 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
1.78ct Oval
HK$3,005 HKD