Oval|Lab Grown|IGI

3.09ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG778652172

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778652172

Diamond specifications and retailer prices

From HK$8,450 HKD
$1,077 USD
As of October 29, 2026
Save HK$66,084 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$74,534 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778652172 or 778652172. Listed at 22 retailers as of October 29, 2026, with prices from HK$8,450 to HK$74,534, a HK$66,084 spread on the same certified stone. Brilliant Earth lists it at HK$74,534. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778652172
Dimensions11.76 × 8.26 × 5.04 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.26 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778652172
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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: Oct 29
Current: HK$74,534 HKD|Low: HK$9,454 HKD|High: HK$75,005 HKD|Avg: HK$24,091 HKD|-0.6%
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
October 30, 2026
Retailer 5HK$9,454 HKD
Retailer 14HK$10,945 HKD
Retailer 3HK$12,435 HKD
Retailer 2HK$14,197 HKD
Retailer 9HK$15,232 HKD
Retailer 15HK$15,621 HKD
Retailer 13HK$18,688 HKD
Retailer 11HK$22,117 HKD
Retailer 10HK$22,547 HKD
Retailer 4HK$24,149 HKD
Retailer 6HK$27,022 HKD
Retailer 12HK$28,378 HKD
Retailer 8HK$33,290 HKD
Retailer 7HK$34,245 HKD
Brilliant EarthHK$74,534 HKD

44 data points across 15 retailers

22 retailersHK$8,450 HKD to HK$74,534 HKD

A
Cheapest Retailer
-
HK$8,450 HKD
$1,077 USD
A
Retailer 2
-
HK$9,195 HKD
$1,172 USD
View
A
Retailer 3
-
HK$9,454 HKD
$1,205 USD
View
Final sale: no returns
A
Retailer 4
-
HK$9,799 HKD
$1,249 USD
View
Retailer 5
-
HK$9,799 HKD
$1,249 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$10,945 HKD
$1,395 USD
View
A
Retailer 7
-
HK$12,435 HKD
$1,585 USD
View
A
Retailer 8
-
HK$14,197 HKD
£1,425 GBP
View
A
Retailer 9
-
HK$15,232 HKD
€1,849 EUR
View
A
Retailer 10
-
HK$15,621 HKD
$1,991 USD
View
A
Retailer 11
-
HK$18,375 HKD
$2,342 USD
View
A
Retailer 12
-
HK$18,688 HKD
$2,382 USD
View
Retailer 13
-
HK$19,881 HKD
$2,534 USD
View
Price last confirmed 31 days ago
Retailer 14
-
HK$22,117 HKD
A$4,337 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
HK$22,547 HKD
ZAR 46,427 ZAR
View
B+
Retailer 16
-
HK$24,149 HKD
$3,078 USD
View
B+
Retailer 17
-
HK$27,022 HKD
£2,712 GBP
View
B+
Retailer 18
-
HK$28,276 HKD
$3,604 USD
View
B+
Retailer 19
-
HK$28,378 HKD
$3,617 USD
View
B+
Retailer 20
-
HK$33,290 HKD
£3,341 GBP
View
B+
Retailer 21
-
HK$34,245 HKD
$4,365 USD
View
Most Expensive
B
Brilliant Earth
19713042A · Oct 30
HK$74,534 HKD
$9,500 USD
View
21 more retailers have this diamond
Prices start from HK$8,450 HKDSave up to HK$66,084 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
3.09ct Oval
HK$8,450 HKD