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Round|Lab Grown|IGI

5.80ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780667680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780667680

Diamond specifications and retailer prices

From HK$51,185 HKD
$6,524 USD
As of October 29, 2026
Save HK$376,727 HKD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$427,912 HKD at Mervis Diamond Importers · As of October 31, 2026
View at Mervis Diamond Importers

About this 5.8ct lab-grown round diamond

This 5.8ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667680 or 780667680. Listed at 24 retailers as of October 29, 2026, with prices from HK$51,185 to HK$427,912, a HK$376,727 spread on the same certified stone. Mervis Diamond Importers lists it at HK$427,912. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667680
Dimensions11.52 × 11.57 × 7.03 mm
L/W Ratio1.00
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
11.52 mm11.57 mm5.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667680
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

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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 29
Current: HK$427,912 HKD|Low: HK$51,185 HKD|High: HK$427,912 HKD|Avg: HK$121,531 HKD
Mervis Diamond Importers
Retailer 2
Retailer 3
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Retailer 15
Retailer 16
Retailer 17
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Retailer 19
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Retailer 21
October 31, 2026
Retailer 3HK$51,185 HKD
Retailer 19HK$53,233 HKD
Retailer 11HK$54,112 HKD
Retailer 12HK$57,329 HKD
Retailer 14HK$59,376 HKD
Retailer 18HK$59,392 HKD
Retailer 20HK$69,403 HKD
Retailer 7HK$71,278 HKD
Retailer 21HK$73,616 HKD
Retailer 5HK$77,798 HKD
Retailer 2HK$80,282 HKD
Retailer 4HK$86,240 HKD
Retailer 17HK$103,692 HKD
Retailer 16HK$129,373 HKD
Retailer 15HK$133,152 HKD
Retailer 6HK$163,410 HKD
Retailer 9HK$174,481 HKD
Retailer 13HK$198,967 HKD
Retailer 10HK$221,689 HKD
Retailer 8HK$319,398 HKD
Mervis Diamond ImportersHK$427,912 HKD

39 data points across 21 retailers

24 retailersHK$51,185 HKD to HK$427,912 HKD

A
Cheapest Retailer
-
HK$51,185 HKD
$6,524 USD
A
Retailer 2
-
HK$53,233 HKD
$6,785 USD
View
A
Retailer 3
-
HK$54,112 HKD
$6,897 USD
View
A
Retailer 4
-
HK$57,329 HKD
$7,307 USD
View
Final sale: no returns
A
Retailer 5
-
HK$59,376 HKD
$7,568 USD
View
Retailer 6
-
HK$59,376 HKD
$7,568 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$59,392 HKD
$7,570 USD
View
A
Retailer 8
-
HK$69,403 HKD
$8,846 USD
View
Retailer 9
-
HK$71,278 HKD
$9,085 USD
View
Price last confirmed 13 days ago
A
Retailer 10
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HK$73,616 HKD
$9,383 USD
View
A
Retailer 11
-
HK$77,798 HKD
$9,916 USD
View
A
Retailer 12
-
HK$80,282 HKD
£8,057 GBP
View
A
Retailer 13
-
HK$86,240 HKD
$10,992 USD
View
A
Retailer 14
-
HK$103,692 HKD
€12,587 EUR
View
A
Retailer 15
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HK$127,022 HKD
$16,190 USD
View
A
Retailer 16
-
HK$129,373 HKD
£12,984 GBP
View
A
Retailer 17
-
HK$133,152 HKD
ZAR 274,174 ZAR
View
B+
Retailer 18
-
HK$151,212 HKD
$19,273 USD
View
B+
Retailer 19
-
HK$163,410 HKD
$20,828 USD
View
B+
Retailer 20
-
HK$174,481 HKD
$22,239 USD
View
B+
Retailer 21
-
HK$198,967 HKD
$25,360 USD
View
B+
Retailer 22
-
HK$221,689 HKD
$28,256 USD
View
B
Retailer 23
-
HK$319,398 HKD
$40,710 USD
View
Most Expensive
B
Mervis Diamond Importers
1974990084 · Oct 31
HK$427,912 HKD
$54,541 USD
View
23 more retailers have this diamond
Prices start from HK$51,185 HKDSave up to HK$376,727 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
5.80ct Round
HK$51,185 HKD