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Oval|Lab Grown|IGI

0.55ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG778617268

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778617268

Diamond specifications and retailer prices

From HK$1,003 HKD
As of November 5, 2026
Save HK$5,423 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$12,070 HKD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 0.55ct lab-grown oval diamond

This 0.55ct lab-grown oval sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778617268 or 778617268. Listed at 13 retailers as of November 4, 2026, with a 541% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.55
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778617268
Dimensions6.71 × 4.64 × 2.83 mm
L/W Ratio1.45
Girdle conditionFaceted
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
6.71 mm4.64 mm0.55 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778617268
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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: Nov 5
Current: HK$12,070 HKD|Low: HK$988 HKD|High: HK$12,070 HKD|Avg: HK$3,917 HKD
Do Amore Diamonds
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
November 4, 2026
Retailer 7HK$1,003 HKD
Retailer 13HK$1,183 HKD
Retailer 3HK$1,270 HKD
Retailer 10HK$1,528 HKD
Retailer 5HK$1,850 HKD
Retailer 4HK$1,873 HKD
Retailer 9HK$2,351 HKD
Retailer 8HK$3,292 HKD
Retailer 11HK$3,637 HKD
Retailer 12HK$4,013 HKD
Retailer 14HK$4,507 HKD
Retailer 6HK$6,411 HKD
Retailer 2HK$6,427 HKD
Do Amore DiamondsHK$12,070 HKD

31 data points across 14 retailers

13 retailersHK$1,003 HKD to HK$6,427 HKD

A
Cheapest Retailer
-
HK$1,003 HKD
Retailer 2
-
HK$1,027 HKD
View
Price last confirmed 19 days ago
Retailer 3
-
HK$1,183 HKD
View
Price last confirmed 17 days ago
Retailer 4
-
HK$1,270 HKD
View
Price last confirmed 18 days ago
A
Retailer 5
-
HK$1,528 HKD
View
A
Retailer 6
-
HK$1,873 HKD
View
A
Retailer 7
-
HK$2,351 HKD
View
B+
Retailer 8
-
HK$3,292 HKD
View
B+
Retailer 9
-
HK$3,637 HKD
View
B
Retailer 10
-
HK$4,013 HKD
View
Retailer 11
-
HK$4,507 HKD
View
Price last confirmed 19 days ago
B
Retailer 12
-
HK$6,427 HKD
View
Most Expensive
Do Amore Diamonds
32-LG778617268 · Nov 6
HK$12,070 HKD
$1,540 USD
View
Price under review
12 more retailers have this diamond
Prices start from HK$1,003 HKDSave up to HK$5,423 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
0.55ct Oval
HK$1,003 HKD