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Oval|Lab Grown|IGI

1.64ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG788640224

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788640224

Diamond specifications and retailer prices

From HK$2,479 HKD
$316 USD
As of October 30, 2026
Save HK$24,118 HKD (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$26,597 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.64ct lab-grown oval diamond

This 1.64ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788640224 or 788640224. Listed at 23 retailers as of October 29, 2026, with prices from HK$2,479 to HK$26,597, a HK$24,118 spread on the same certified stone. Brilliant Earth lists it at HK$26,597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788640224
Dimensions9.61 × 6.54 × 4.01 mm
L/W Ratio1.47
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
9.61 mm6.54 mm1.64 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788640224
Side View
Table 59.0%Crown 37°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 61.3%

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 30
Current: HK$26,597 HKD|Low: HK$1,828 HKD|High: HK$27,381 HKD|Avg: HK$7,678 HKD|-2.9%
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 2HK$2,479 HKD
Retailer 12HK$3,884 HKD
Retailer 15HK$4,041 HKD
Retailer 7HK$4,630 HKD
Retailer 13HK$4,729 HKD
Retailer 9HK$4,857 HKD
Retailer 6HK$5,429 HKD
Retailer 4HK$6,136 HKD
Retailer 11HK$6,400 HKD
Retailer 8HK$8,748 HKD
Retailer 16HK$9,187 HKD
Retailer 5HK$9,243 HKD
Retailer 3HK$10,584 HKD
Retailer 10HK$11,090 HKD
Retailer 14HK$11,440 HKD
Brilliant EarthHK$26,597 HKD

36 data points across 16 retailers

23 retailersHK$2,479 HKD to HK$26,597 HKD

Retailer 1
-
HK$2,299 HKD
$293 USD
Price last confirmed 37 days ago
Retailer 2
-
HK$2,299 HKD
$293 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$2,479 HKD
$316 USD
View
Final sale: no returns
Retailer 4
-
HK$2,668 HKD
$340 USD
View
Price last confirmed 34 days ago
Retailer 5
-
HK$2,809 HKD
$358 USD
View
Price last confirmed 35 days ago
Retailer 6
-
HK$2,848 HKD
$363 USD
View
Price last confirmed 18 days ago
Retailer 7
-
HK$2,848 HKD
$363 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
HK$3,884 HKD
$495 USD
View
A
Retailer 9
-
HK$4,041 HKD
$515 USD
View
A
Retailer 10
-
HK$4,729 HKD
ZAR 9,738 ZAR
View
A
Retailer 11
-
HK$4,857 HKD
£487 GBP
View
A
Retailer 12
-
HK$5,429 HKD
$692 USD
View
A
Retailer 13
-
HK$6,136 HKD
$782 USD
View
A
Retailer 14
-
HK$6,400 HKD
A$1,255 AUD
View
B+
Retailer 15
-
HK$8,748 HKD
$1,115 USD
View
Retailer 16
-
HK$9,156 HKD
$1,167 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
HK$9,187 HKD
$1,171 USD
View
B+
Retailer 18
-
HK$9,243 HKD
$1,178 USD
View
B+
Retailer 19
-
HK$9,831 HKD
$1,253 USD
View
B+
Retailer 20
-
HK$10,584 HKD
$1,349 USD
View
B+
Retailer 21
-
HK$11,090 HKD
£1,113 GBP
View
B+
Retailer 22
-
HK$11,440 HKD
$1,458 USD
View
Most Expensive
B
Brilliant Earth
18549542A · Oct 29
HK$26,597 HKD
$3,390 USD
View
22 more retailers have this diamond
Prices start from HK$2,479 HKDSave up to HK$24,118 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
1.64ct Oval
HK$2,479 HKD