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Oval|Lab Grown|IGI

1.66ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG823666729

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG823666729

Diamond specifications and retailer prices

From HK$2,974 HKD
$379 USD
As of November 1, 2026
Save HK$13,032 HKD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$16,005 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823666729 or 823666729. Listed at 24 retailers as of October 31, 2026, with prices from HK$2,974 to HK$16,005, a HK$13,032 spread on the same certified stone. Brilliant Earth lists it at HK$16,005. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823666729
Dimensions9.11 × 7.04 × 4.25 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.11 mm7.04 mm1.66 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823666729
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

Caratlytics Score

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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: Nov 1
Current: HK$16,005 HKD|Low: HK$2,974 HKD|High: HK$16,790 HKD|Avg: HK$8,358 HKD|-4.7%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 14HK$2,974 HKD
Retailer 7HK$3,327 HKD
Retailer 9HK$3,327 HKD
Retailer 3HK$3,687 HKD
Retailer 4HK$3,687 HKD
Retailer 21HK$4,864 HKD
Retailer 10HK$4,943 HKD
Retailer 6HK$5,115 HKD
Retailer 17HK$5,898 HKD
Retailer 15HK$6,007 HKD
Retailer 20HK$6,333 HKD
Retailer 13HK$6,611 HKD
Retailer 19HK$8,552 HKD
Retailer 18HK$9,088 HKD
Retailer 22HK$9,242 HKD
Retailer 12HK$11,728 HKD
Retailer 5HK$11,847 HKD
Retailer 8HK$12,148 HKD
Retailer 16HK$12,867 HKD
Retailer 11HK$13,842 HKD
Retailer 2HK$14,398 HKD
Brilliant EarthHK$16,005 HKD

28 data points across 22 retailers

24 retailersHK$2,974 HKD to HK$16,005 HKD

A
Cheapest Retailer
-
HK$2,974 HKD
$379 USD
A
Retailer 2
-
HK$3,327 HKD
$424 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,327 HKD
$424 USD
View
A
Retailer 4
-
HK$3,687 HKD
$470 USD
View
Retailer 5
-
HK$3,687 HKD
$470 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$4,864 HKD
$620 USD
View
A
Retailer 7
-
HK$4,943 HKD
$630 USD
View
A
Retailer 8
-
HK$5,115 HKD
$652 USD
View
A
Retailer 9
-
HK$5,898 HKD
€716 EUR
View
B+
Retailer 10
-
HK$6,007 HKD
A$1,178 AUD
View
B+
Retailer 11
-
HK$6,333 HKD
ZAR 13,041 ZAR
View
B+
Retailer 12
-
HK$6,611 HKD
£664 GBP
View
B+
Retailer 13
-
HK$8,552 HKD
A$1,677 AUD
View
Retailer 14
-
HK$8,790 HKD
$1,120 USD
View
Price last confirmed 53 days ago
B+
Retailer 15
-
HK$9,088 HKD
A$1,782 AUD
View
B
Retailer 16
-
HK$9,242 HKD
$1,178 USD
View
Retailer 17
-
HK$11,259 HKD
$1,435 USD
View
Price last confirmed 38 days ago
B
Retailer 18
-
HK$11,728 HKD
SGD 2,020 SGD
View
B
Retailer 19
-
HK$11,847 HKD
$1,510 USD
View
B
Retailer 20
-
HK$12,148 HKD
$1,548 USD
View
B
Retailer 21
-
HK$12,867 HKD
$1,640 USD
View
B
Retailer 22
-
HK$13,842 HKD
$1,764 USD
View
B
Retailer 23
-
HK$14,398 HKD
£1,445 GBP
View
Most Expensive
B
Brilliant Earth
21127214A · Oct 31
HK$16,005 HKD
$2,040 USD
View
23 more retailers have this diamond
Prices start from HK$2,974 HKDSave up to HK$13,032 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
1.66ct Oval
HK$2,974 HKD