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0.51ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG707549316

Shape and cutting style on the report: Round brilliant

Certificate IGI LG707549316

Diamond specifications and retailer prices

From HK$957 HKD
$122 USD
As of October 25, 2026
Save HK$5,719 HKD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$6,676 HKD at Reve Diamonds · As of October 25, 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 LG707549316 or 707549316. Listed at 15 retailers as of October 25, 2026, with prices from HK$957 to HK$6,676, a HK$5,719 spread on the same certified stone. Reve Diamonds lists it at HK$6,676. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707549316
Dimensions5.16 × 5.19 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.16 mm5.19 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707549316
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
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 25
Current: HK$1,821 HKD|Low: HK$565 HKD|High: HK$6,676 HKD|Avg: HK$2,314 HKD|+4.7%
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
Retailer 14
Retailer 15
Reve Diamonds
October 27, 2026
Retailer 3HK$730 HKD
Retailer 15HK$816 HKD
Retailer 5HK$839 HKD
Retailer 12HK$957 HKD
Retailer 13HK$957 HKD
Retailer 10HK$1,295 HKD
Retailer 8HK$1,573 HKD
Retailer 1HK$1,821 HKD
Retailer 6HK$1,875 HKD
Retailer 7HK$2,040 HKD
Retailer 14HK$2,087 HKD
Retailer 11HK$2,722 HKD
Retailer 4HK$2,895 HKD
Retailer 2HK$3,360 HKD
Retailer 9HK$6,626 HKD
Reve DiamondsHK$6,676 HKD

38 data points across 16 retailers

15 retailersHK$957 HKD to HK$6,676 HKD

Retailer 1
-
HK$730 HKD
$93 USD
Price last confirmed 9 days ago
Retailer 2
-
HK$839 HKD
$107 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$957 HKD
$122 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$957 HKD
$122 USD
View
Retailer 5
-
HK$1,295 HKD
$165 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
HK$1,573 HKD
£158 GBP
View
A
Retailer 7
-
HK$1,821 HKD
€221 EUR
View
B+
Retailer 8
-
HK$1,875 HKD
$239 USD
View
B+
Retailer 9
-
HK$2,040 HKD
$260 USD
View
B+
Retailer 10
-
HK$2,087 HKD
$266 USD
View
B+
Retailer 11
-
HK$2,722 HKD
$347 USD
View
Retailer 12
-
HK$2,895 HKD
$369 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
HK$3,360 HKD
$428 USD
View
B
Retailer 14
-
HK$6,626 HKD
£665 GBP
View
Most Expensive
B
Reve Diamonds
32AEC2105 · Oct 25
HK$6,676 HKD
$851 USD
View
14 more retailers have this diamond
Prices start from HK$957 HKDSave up to HK$5,719 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$957 HKD