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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG778644701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778644701

Diamond specifications and retailer prices

From HK$2,526 HKD
$322 USD
As of November 1, 2026
Save HK$17,324 HKD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$19,851 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG778644701 or 778644701. Listed at 24 retailers as of November 1, 2026, with prices from HK$2,526 to HK$19,851, a HK$17,324 spread on the same certified stone. Brilliant Earth lists it at HK$19,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778644701
Dimensions7.33 × 7.35 × 4.57 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
7.33 mm7.35 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778644701
Side View
Table 56.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 1
Current: HK$19,851 HKD|Low: HK$2,526 HKD|High: HK$30,757 HKD|Avg: HK$7,749 HKD|-35.5%
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
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 8HK$2,526 HKD
Retailer 9HK$2,825 HKD
Retailer 3HK$2,934 HKD
Retailer 19HK$3,131 HKD
Retailer 14HK$3,154 HKD
Retailer 16HK$4,011 HKD
Retailer 12HK$4,355 HKD
Retailer 13HK$5,025 HKD
Retailer 4HK$5,084 HKD
Retailer 17HK$5,403 HKD
Retailer 2HK$5,535 HKD
Retailer 11HK$7,354 HKD
Retailer 6HK$7,556 HKD
Retailer 21HK$7,642 HKD
Retailer 10HK$10,039 HKD
Retailer 20HK$10,074 HKD
Retailer 7HK$10,426 HKD
Retailer 15HK$11,220 HKD
Retailer 5HK$12,421 HKD
Retailer 18HK$12,555 HKD
Retailer 22HK$13,296 HKD
Brilliant EarthHK$19,851 HKD

24 data points across 22 retailers

24 retailersHK$2,526 HKD to HK$19,851 HKD

A
Cheapest Retailer
-
HK$2,526 HKD
$322 USD
A
Retailer 2
-
HK$2,825 HKD
$360 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,934 HKD
$374 USD
View
A
Retailer 4
-
HK$3,131 HKD
$399 USD
View
Retailer 5
-
HK$3,154 HKD
$402 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$4,011 HKD
£402 GBP
View
A
Retailer 7
-
HK$4,355 HKD
$555 USD
View
A
Retailer 8
-
HK$5,025 HKD
€610 EUR
View
A
Retailer 9
-
HK$5,084 HKD
$648 USD
View
A
Retailer 10
-
HK$5,403 HKD
ZAR 11,125 ZAR
View
A
Retailer 11
-
HK$5,498 HKD
A$1,078 AUD
View
A
Retailer 12
-
HK$5,535 HKD
£555 GBP
View
A
Retailer 13
-
HK$7,354 HKD
A$1,442 AUD
View
B+
Retailer 14
-
HK$7,556 HKD
$963 USD
View
B+
Retailer 15
-
HK$7,642 HKD
$974 USD
View
B+
Retailer 16
-
HK$7,783 HKD
$992 USD
View
B+
Retailer 17
-
HK$10,039 HKD
SGD 1,729 SGD
View
B+
Retailer 18
-
HK$10,074 HKD
$1,284 USD
View
B+
Retailer 19
-
HK$10,426 HKD
$1,329 USD
View
B+
Retailer 20
-
HK$11,220 HKD
$1,430 USD
View
B+
Retailer 21
-
HK$12,421 HKD
$1,583 USD
View
B+
Retailer 22
-
HK$12,555 HKD
£1,260 GBP
View
B+
Retailer 23
-
HK$13,296 HKD
A$2,607 AUD
View
Most Expensive
B
Brilliant Earth
21000796A · Nov 2
HK$19,851 HKD
$2,530 USD
View
23 more retailers have this diamond
Prices start from HK$2,526 HKDSave up to HK$17,324 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
1.51ct Round
HK$2,526 HKD