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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG674507997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674507997

Diamond specifications and retailer prices

From HK$3,021 HKD
$385 USD
As of November 1, 2026
Save HK$21,536 HKD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$24,557 HKD at Brilliant Earth · As of October 31, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674507997 or 674507997. Listed at 24 retailers as of October 31, 2026, with prices from HK$3,021 to HK$24,557, a HK$21,536 spread on the same certified stone. Brilliant Earth lists it at HK$24,557. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674507997
Dimensions7.44 × 7.39 × 4.51 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
7.44 mm7.39 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674507997
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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$24,557 HKD|Low: HK$1,922 HKD|High: HK$24,557 HKD|Avg: HK$6,643 HKD|+1.3%
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
November 2, 2026
Retailer 11HK$1,922 HKD
Retailer 6HK$3,021 HKD
Retailer 19HK$3,138 HKD
Retailer 9HK$3,334 HKD
Retailer 2HK$4,761 HKD
Retailer 15HK$5,060 HKD
Retailer 7HK$5,305 HKD
Retailer 18HK$5,359 HKD
Retailer 3HK$5,398 HKD
Retailer 12HK$5,785 HKD
Retailer 13HK$6,010 HKD
Retailer 17HK$6,826 HKD
Retailer 8HK$7,736 HKD
Retailer 16HK$8,348 HKD
Retailer 5HK$11,117 HKD
Retailer 10HK$12,592 HKD
Retailer 4HK$12,991 HKD
Retailer 14HK$13,113 HKD
Brilliant EarthHK$24,557 HKD

27 data points across 19 retailers

24 retailersHK$3,021 HKD to HK$24,557 HKD

Retailer 1
-
HK$1,922 HKD
$245 USD
Price last confirmed 14 days ago
Retailer 2
-
HK$2,581 HKD
$329 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
HK$3,021 HKD
$385 USD
View
Final sale: no returns
Retailer 4
-
HK$3,115 HKD
$397 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
HK$3,138 HKD
$400 USD
View
Retailer 6
-
HK$3,334 HKD
$425 USD
View
Price last confirmed 30 days ago
Retailer 7
-
HK$3,334 HKD
$425 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$4,761 HKD
£478 GBP
View
A
Retailer 9
-
HK$5,060 HKD
$645 USD
View
A
Retailer 10
-
HK$5,305 HKD
€644 EUR
View
A
Retailer 11
-
HK$5,359 HKD
$683 USD
View
A
Retailer 12
-
HK$5,398 HKD
$688 USD
View
A
Retailer 13
-
HK$5,785 HKD
ZAR 11,913 ZAR
View
B+
Retailer 14
-
HK$6,010 HKD
£603 GBP
View
B+
Retailer 15
-
HK$6,826 HKD
$870 USD
View
B+
Retailer 16
-
HK$7,736 HKD
A$1,517 AUD
View
B+
Retailer 17
-
HK$8,348 HKD
$1,064 USD
View
Retailer 18
-
HK$10,709 HKD
$1,365 USD
View
Price last confirmed 25 days ago
B
Retailer 19
-
HK$11,117 HKD
$1,417 USD
View
B
Retailer 20
-
HK$12,592 HKD
$1,605 USD
View
B
Retailer 21
-
HK$12,991 HKD
$1,656 USD
View
B
Retailer 22
-
HK$13,113 HKD
£1,316 GBP
View
Retailer 23
-
HK$15,644 HKD
$1,994 USD
View
Price last confirmed 67 days ago
Most Expensive
B
Brilliant Earth
14081461A · Oct 31
HK$24,557 HKD
$3,130 USD
View
23 more retailers have this diamond
Prices start from HK$3,021 HKDSave up to HK$21,536 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$3,021 HKD