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Round|Lab Grown|IGI

1.78ct G VVS2 Round Lab Grown Diamond

ID • G/VVS2 • IGI LG784688459

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784688459

Diamond specifications and retailer prices

From HK$1,906 HKD
$243 USD
As of October 29, 2026
Save HK$10,410 HKD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$12,317 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown round diamond

This 1.78ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG784688459 or 784688459. Listed at 21 retailers as of October 28, 2026, with prices from HK$1,906 to HK$12,317, a HK$10,410 spread on the same certified stone. Brilliant Earth lists it at HK$12,317. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784688459
Dimensions7.71 × 7.74 × 4.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.74 mm1.78 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784688459
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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$12,317 HKD|Low: HK$1,867 HKD|High: HK$13,415 HKD|Avg: HK$5,851 HKD|-8.2%
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
October 29, 2026
Retailer 2HK$1,906 HKD
Retailer 8HK$2,212 HKD
Retailer 7HK$2,361 HKD
Retailer 12HK$3,705 HKD
Retailer 14HK$3,929 HKD
Retailer 18HK$3,970 HKD
Retailer 4HK$4,061 HKD
Retailer 13HK$4,409 HKD
Retailer 3HK$4,452 HKD
Retailer 15HK$4,927 HKD
Retailer 6HK$5,507 HKD
Retailer 11HK$6,072 HKD
Retailer 5HK$7,602 HKD
Retailer 9HK$8,006 HKD
Retailer 19HK$8,865 HKD
Retailer 17HK$9,610 HKD
Retailer 10HK$9,694 HKD
Retailer 16HK$10,489 HKD
Brilliant EarthHK$12,317 HKD

32 data points across 19 retailers

21 retailersHK$1,906 HKD to HK$12,317 HKD

A
Cheapest Retailer
-
HK$1,906 HKD
$243 USD
A
Retailer 2
-
HK$2,212 HKD
$282 USD
View
A
Retailer 3
-
HK$2,361 HKD
$301 USD
View
A
Retailer 4
-
HK$2,416 HKD
$308 USD
View
A
Retailer 5
-
HK$3,705 HKD
£372 GBP
View
A
Retailer 6
-
HK$3,929 HKD
€477 EUR
View
B+
Retailer 7
-
HK$3,970 HKD
$506 USD
View
A
Retailer 8
-
HK$4,061 HKD
ZAR 8,363 ZAR
View
A
Retailer 9
-
HK$4,409 HKD
$562 USD
View
A
Retailer 10
-
HK$4,452 HKD
£447 GBP
View
B+
Retailer 11
-
HK$4,927 HKD
$628 USD
View
B+
Retailer 12
-
HK$5,507 HKD
A$1,080 AUD
View
B+
Retailer 13
-
HK$6,072 HKD
$774 USD
View
B+
Retailer 14
-
HK$7,602 HKD
$969 USD
View
B
Retailer 15
-
HK$8,006 HKD
$1,021 USD
View
B
Retailer 16
-
HK$8,567 HKD
$1,092 USD
View
B
Retailer 17
-
HK$8,865 HKD
$1,130 USD
View
B
Retailer 18
-
HK$9,610 HKD
$1,225 USD
View
B
Retailer 19
-
HK$9,694 HKD
£973 GBP
View
B
Retailer 20
-
HK$10,489 HKD
$1,337 USD
View
Most Expensive
B
Brilliant Earth
18543125A · Oct 28
HK$12,317 HKD
$1,570 USD
View
20 more retailers have this diamond
Prices start from HK$1,906 HKDSave up to HK$10,410 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 Round
HK$1,906 HKD