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Round|Lab Grown|IGI

1.21ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840635038

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840635038

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of October 29, 2026
Save HK$15,478 HKD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$17,502 HKD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840635038 or 840635038. Listed at 22 retailers as of October 29, 2026, with prices from HK$2,024 to HK$17,502, a HK$15,478 spread on the same certified stone. Helzberg Diamonds lists it at HK$17,502. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635038
Dimensions6.77 × 6.83 × 4.23 mm
L/W Ratio1.01
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
6.77 mm6.83 mm1.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635038
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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: Oct 29
Current: HK$17,502 HKD|Low: HK$2,024 HKD|High: HK$17,502 HKD|Avg: HK$6,656 HKD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 29, 2026
Retailer 7HK$2,024 HKD
Retailer 12HK$2,267 HKD
Retailer 22HK$2,346 HKD
Retailer 3HK$2,510 HKD
Retailer 18HK$2,510 HKD
Retailer 17HK$3,883 HKD
Retailer 14HK$4,004 HKD
Retailer 2HK$4,185 HKD
Retailer 8HK$4,197 HKD
Retailer 13HK$4,315 HKD
Retailer 11HK$4,480 HKD
Retailer 16HK$4,763 HKD
Retailer 6HK$5,594 HKD
Retailer 4HK$7,712 HKD
Retailer 10HK$8,073 HKD
Retailer 21HK$8,162 HKD
Retailer 15HK$8,476 HKD
Retailer 20HK$8,896 HKD
Retailer 19HK$10,083 HKD
Retailer 9HK$11,846 HKD
Retailer 5HK$13,964 HKD
Helzberg DiamondsHK$17,502 HKD

14 data points across 22 retailers

22 retailersHK$2,024 HKD to HK$17,502 HKD

A
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
A
Retailer 2
-
HK$2,267 HKD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,346 HKD
$299 USD
View
A
Retailer 4
-
HK$2,510 HKD
$320 USD
View
A
Retailer 5
-
HK$2,510 HKD
$320 USD
View
A
Retailer 6
-
HK$3,883 HKD
$495 USD
View
A
Retailer 7
-
HK$4,004 HKD
£402 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$4,185 HKD
€508 EUR
View
A
Retailer 9
-
HK$4,197 HKD
$535 USD
View
A
Retailer 10
-
HK$4,315 HKD
ZAR 8,886 ZAR
View
A
Retailer 11
-
HK$4,480 HKD
$571 USD
View
A
Retailer 12
-
HK$4,763 HKD
£478 GBP
View
B+
Retailer 13
-
HK$5,594 HKD
$713 USD
View
B+
Retailer 14
-
HK$7,712 HKD
$983 USD
View
B+
Retailer 15
-
HK$8,073 HKD
$1,029 USD
View
B+
Retailer 16
-
HK$8,162 HKD
SGD 1,406 SGD
View
B+
Retailer 17
-
HK$8,476 HKD
$1,080 USD
View
B+
Retailer 18
-
HK$8,896 HKD
$1,134 USD
View
B
Retailer 19
-
HK$10,083 HKD
£1,012 GBP
View
B
Retailer 20
-
HK$11,846 HKD
$1,510 USD
View
Price last confirmed 7 days ago
B
Retailer 21
-
HK$13,964 HKD
$1,780 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJLGJO · Oct 29
HK$17,502 HKD
$2,231 USD
View
21 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$15,478 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
1.21ct Round
HK$2,024 HKD