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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807645112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807645112

Diamond specifications and retailer prices

From HK$2,573 HKD
$328 USD
As of October 29, 2026
Save HK$19,002 HKD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$21,576 HKD at Brilliant Earth · As of October 31, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807645112 or 807645112. Listed at 20 retailers as of October 29, 2026, with prices from HK$2,573 to HK$21,576, a HK$19,002 spread on the same certified stone. Brilliant Earth lists it at HK$21,576. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807645112
Dimensions7.40 × 7.37 × 4.56 mm
L/W Ratio1.00
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
7.40 mm7.37 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807645112
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
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$21,576 HKD|Low: HK$2,573 HKD|High: HK$32,246 HKD|Avg: HK$6,992 HKD|-33.1%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 19HK$2,573 HKD
Retailer 6HK$2,879 HKD
Retailer 17HK$2,981 HKD
Retailer 12HK$3,185 HKD
Retailer 10HK$3,209 HKD
Retailer 11HK$3,515 HKD
Retailer 18HK$4,091 HKD
Retailer 8HK$4,276 HKD
Retailer 13HK$4,276 HKD
Retailer 2HK$5,075 HKD
Retailer 4HK$5,217 HKD
Retailer 7HK$5,475 HKD
Retailer 14HK$5,684 HKD
Retailer 5HK$7,425 HKD
Retailer 16HK$9,344 HKD
Retailer 9HK$10,172 HKD
Retailer 15HK$10,239 HKD
Retailer 3HK$12,834 HKD
Brilliant EarthHK$21,576 HKD

16 data points across 19 retailers

20 retailersHK$2,573 HKD to HK$21,576 HKD

A+
Cheapest Retailer
-
HK$2,573 HKD
$328 USD
A
Retailer 2
-
HK$2,879 HKD
$367 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,981 HKD
$380 USD
View
A
Retailer 4
-
HK$3,185 HKD
$406 USD
View
A
Retailer 5
-
HK$3,209 HKD
$409 USD
View
A
Retailer 6
-
HK$3,515 HKD
View
A
Retailer 7
-
HK$4,091 HKD
£411 GBP
View
A
Retailer 8
-
HK$4,276 HKD
$545 USD
View
A
Retailer 9
-
HK$4,276 HKD
$545 USD
View
A
Retailer 10
-
HK$5,075 HKD
€616 EUR
View
A
Retailer 11
-
HK$5,217 HKD
$665 USD
View
A
Retailer 12
-
HK$5,475 HKD
ZAR 11,273 ZAR
View
A
Retailer 13
-
HK$5,684 HKD
£570 GBP
View
A
Retailer 14
-
HK$7,425 HKD
A$1,456 AUD
View
B+
Retailer 15
-
HK$9,344 HKD
$1,191 USD
View
B+
Retailer 16
-
HK$10,172 HKD
SGD 1,752 SGD
View
B+
Retailer 17
-
HK$10,239 HKD
$1,305 USD
View
B+
Retailer 18
-
HK$11,784 HKD
$1,502 USD
View
B+
Retailer 19
-
HK$12,834 HKD
£1,288 GBP
View
Most Expensive
B
Brilliant Earth
20090410A · Oct 31
HK$21,576 HKD
$2,750 USD
View
19 more retailers have this diamond
Prices start from HK$2,573 HKDSave up to HK$19,002 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$2,573 HKD