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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816623945

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816623945

Diamond specifications and retailer prices

From HK$2,534 HKD
$323 USD
As of October 30, 2026
Save HK$18,492 HKD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$21,026 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant 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 LG816623945 or 816623945. Listed at 19 retailers as of October 30, 2026, with prices from HK$2,534 to HK$21,026, a HK$18,492 spread on the same certified stone. Brilliant Earth lists it at HK$21,026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623945
Dimensions7.10 × 5.16 × 3.14 mm
L/W Ratio1.38
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
7.10 mm5.16 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623945
Side View
Table 63.0%Crown 40.7°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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 30
Current: HK$21,026 HKD|Low: HK$2,440 HKD|High: HK$21,026 HKD|Avg: HK$7,011 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10HK$2,534 HKD
Retailer 4HK$2,832 HKD
Retailer 11HK$3,146 HKD
Retailer 8HK$4,354 HKD
Retailer 5HK$5,025 HKD
Retailer 12HK$5,108 HKD
Retailer 7HK$5,407 HKD
Retailer 2HK$5,622 HKD
Retailer 6HK$7,681 HKD
Retailer 3HK$12,196 HKD
Retailer 9HK$12,624 HKD
Brilliant EarthHK$21,026 HKD

44 data points across 12 retailers

19 retailersHK$2,534 HKD to HK$21,026 HKD

A
Cheapest Retailer
-
HK$2,534 HKD
$323 USD
A
Retailer 2
-
HK$2,832 HKD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,942 HKD
$375 USD
View
A
Retailer 4
-
HK$3,146 HKD
$401 USD
View
A
Retailer 5
-
HK$3,146 HKD
$401 USD
View
A
Retailer 6
-
HK$4,354 HKD
$555 USD
View
B+
Retailer 7
-
HK$4,794 HKD
$611 USD
View
B+
Retailer 8
-
HK$5,025 HKD
€610 EUR
View
B+
Retailer 9
-
HK$5,108 HKD
$651 USD
View
B+
Retailer 10
-
HK$5,407 HKD
ZAR 11,133 ZAR
View
B+
Retailer 11
-
HK$5,622 HKD
£564 GBP
View
B+
Retailer 12
-
HK$7,681 HKD
$979 USD
View
B+
Retailer 13
-
HK$8,401 HKD
SGD 1,447 SGD
View
B
Retailer 14
-
HK$10,113 HKD
$1,289 USD
View
B
Retailer 15
-
HK$10,467 HKD
$1,334 USD
View
B
Retailer 16
-
HK$12,196 HKD
£1,224 GBP
View
B
Retailer 17
-
HK$12,455 HKD
$1,587 USD
View
B
Retailer 18
-
HK$12,624 HKD
£1,267 GBP
View
Most Expensive
B
Brilliant Earth
21092347A · Oct 31
HK$21,026 HKD
$2,680 USD
View
18 more retailers have this diamond
Prices start from HK$2,534 HKDSave up to HK$18,492 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
1.03ct Radiant
HK$2,534 HKD