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Round|Lab Grown|IGI

1.55ct E VVS1 Round Lab Grown Diamond

EX • E/VVS1 • IGI LG778671717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778671717

Diamond specifications and retailer prices

From HK$1,891 HKD
$241 USD
As of October 29, 2026
Save HK$17,647 HKD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$19,538 HKD at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778671717 or 778671717. Listed at 25 retailers as of October 25, 2026, with prices from HK$1,891 to HK$19,538, a HK$17,647 spread on the same certified stone. Brilliant Earth lists it at HK$19,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671717
Dimensions7.39 × 7.36 × 4.62 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
7.39 mm7.36 mm1.55 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671717
Side View
Table 55.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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$19,538 HKD|Low: HK$1,860 HKD|High: HK$19,538 HKD|Avg: HK$5,313 HKD
Brilliant Earth
Retailer 2
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Retailer 24
October 29, 2026
Retailer 5HK$1,891 HKD
Retailer 9HK$2,111 HKD
Retailer 23HK$2,197 HKD
Retailer 12HK$2,252 HKD
Retailer 17HK$2,346 HKD
Retailer 18HK$3,136 HKD
Retailer 20HK$3,154 HKD
Retailer 19HK$3,765 HKD
Retailer 21HK$4,028 HKD
Retailer 2HK$4,418 HKD
Retailer 4HK$4,622 HKD
Retailer 24HK$4,682 HKD
Retailer 14HK$4,870 HKD
Retailer 8HK$4,912 HKD
Retailer 22HK$5,462 HKD
Retailer 3HK$5,900 HKD
Retailer 15HK$7,187 HKD
Retailer 7HK$7,533 HKD
Retailer 10HK$7,944 HKD
Retailer 11HK$9,088 HKD
Retailer 13HK$9,447 HKD
Retailer 16HK$9,533 HKD
Retailer 6HK$10,391 HKD
Brilliant EarthHK$19,538 HKD

31 data points across 24 retailers

25 retailersHK$1,891 HKD to HK$19,538 HKD

A
Cheapest Retailer
-
HK$1,891 HKD
$241 USD
A
Retailer 2
-
HK$2,111 HKD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,197 HKD
$280 USD
View
A
Retailer 4
-
HK$2,252 HKD
$287 USD
View
A
Retailer 5
-
HK$2,346 HKD
$299 USD
View
A
Retailer 6
-
HK$3,136 HKD
£315 GBP
View
B+
Retailer 7
-
HK$3,154 HKD
$402 USD
View
A
Retailer 8
-
HK$3,765 HKD
€457 EUR
View
A
Retailer 9
-
HK$4,028 HKD
ZAR 8,293 ZAR
View
A
Retailer 10
-
HK$4,418 HKD
£443 GBP
View
B+
Retailer 11
-
HK$4,622 HKD
$589 USD
View
A
Retailer 12
-
HK$4,682 HKD
A$918 AUD
View
B+
Retailer 13
-
HK$4,870 HKD
$621 USD
View
B+
Retailer 14
-
HK$4,912 HKD
$626 USD
View
B+
Retailer 15
-
HK$5,462 HKD
A$1,071 AUD
View
B+
Retailer 16
-
HK$5,900 HKD
$752 USD
View
B+
Retailer 17
-
HK$7,187 HKD
$916 USD
View
B+
Retailer 18
-
HK$7,533 HKD
$960 USD
View
B
Retailer 19
-
HK$7,944 HKD
$1,012 USD
View
B
Retailer 20
-
HK$9,088 HKD
£912 GBP
View
B
Retailer 21
-
HK$9,150 HKD
$1,166 USD
View
Price last confirmed 109 days ago
B+
Retailer 22
-
HK$9,447 HKD
£948 GBP
View
B
Retailer 23
-
HK$9,533 HKD
$1,215 USD
View
B
Retailer 24
-
HK$10,391 HKD
$1,324 USD
View
Most Expensive
B
Brilliant Earth
18619220A · Oct 25
HK$19,538 HKD
$2,490 USD
View
24 more retailers have this diamond
Prices start from HK$1,891 HKDSave up to HK$17,647 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
1.55ct Round
HK$1,891 HKD