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Round|Lab Grown|IGI

0.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG782655554

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782655554

Diamond specifications and retailer prices

From HK$690 HKD
$88 USD
As of October 26, 2026
Save HK$5,873 HKD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$6,564 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round 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 LG782655554 or 782655554. Listed at 13 retailers as of October 26, 2026, with prices from HK$690 to HK$6,564, a HK$5,873 spread on the same certified stone. Reve Diamonds lists it at HK$6,564. 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

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782655554
Dimensions5.12 × 5.16 × 3.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.12 mm5.16 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782655554
Side View
Table 60.0%Crown 33.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.7%

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 26
Current: HK$1,569 HKD|Low: HK$667 HKD|High: HK$6,564 HKD|Avg: HK$2,277 HKD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 29, 2026
Retailer 9HK$690 HKD
Retailer 10HK$769 HKD
Retailer 11HK$800 HKD
Retailer 3HK$910 HKD
Retailer 13HK$910 HKD
Retailer 1HK$1,569 HKD
Retailer 7HK$1,763 HKD
Retailer 4HK$1,812 HKD
Retailer 5HK$2,754 HKD
Retailer 8HK$3,076 HKD
Retailer 12HK$3,222 HKD
Retailer 2HK$3,272 HKD
Retailer 6HK$6,337 HKD
Reve DiamondsHK$6,564 HKD

40 data points across 14 retailers

13 retailersHK$690 HKD to HK$6,564 HKD

A
Cheapest Retailer
-
HK$690 HKD
$88 USD
A
Retailer 2
-
HK$800 HKD
$102 USD
View
A
Retailer 3
-
HK$910 HKD
$116 USD
View
A
Retailer 4
-
HK$910 HKD
$116 USD
View
A
Retailer 5
-
HK$1,569 HKD
£157 GBP
View
A
Retailer 6
-
HK$1,763 HKD
€214 EUR
View
A
Retailer 7
-
HK$1,812 HKD
$231 USD
View
B+
Retailer 8
-
HK$2,754 HKD
$351 USD
View
B
Retailer 9
-
HK$3,076 HKD
$392 USD
View
B
Retailer 10
-
HK$3,222 HKD
$411 USD
View
B
Retailer 11
-
HK$3,272 HKD
$417 USD
View
B
Retailer 12
-
HK$6,337 HKD
£636 GBP
View
Most Expensive
B
Reve Diamonds
562D23476 · Oct 28
HK$6,564 HKD
$837 USD
View
12 more retailers have this diamond
Prices start from HK$690 HKDSave up to HK$5,873 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
0.51ct Round
HK$690 HKD