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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG840630346

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630346

Diamond specifications and retailer prices

From HK$2,283 HKD
$291 USD
As of October 25, 2026
Save HK$10,811 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$13,094 HKD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840630346 or 840630346. Listed at 16 retailers as of October 25, 2026, with prices from HK$2,283 to HK$13,094, a HK$10,811 spread on the same certified stone. Helzberg Diamonds lists it at HK$13,094. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630346
Dimensions7.58 × 4.90 × 3.39 mm
L/W Ratio1.55
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
7.58 mm4.90 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630346
Side View
Table 64.0%Crown 35.3°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 69.2%

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 25
Current: HK$13,094 HKD|Low: HK$2,283 HKD|High: HK$15,613 HKD|Avg: HK$6,710 HKD
Helzberg Diamonds
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
November 1, 2026
Retailer 16HK$2,283 HKD
Retailer 3HK$2,364 HKD
Retailer 7HK$3,868 HKD
Retailer 13HK$3,925 HKD
Retailer 6HK$4,111 HKD
Retailer 9HK$4,280 HKD
Retailer 10HK$4,424 HKD
Retailer 4HK$4,551 HKD
Retailer 14HK$5,574 HKD
Retailer 11HK$5,994 HKD
Retailer 8HK$7,222 HKD
Retailer 5HK$7,754 HKD
Retailer 2HK$9,157 HKD
Retailer 15HK$10,749 HKD
Retailer 12HK$11,062 HKD
Helzberg DiamondsHK$13,094 HKD

20 data points across 16 retailers

16 retailersHK$2,283 HKD to HK$13,094 HKD

A
Cheapest Retailer
-
HK$2,283 HKD
$291 USD
Retailer 2
-
HK$2,364 HKD
£237 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$3,868 HKD
$493 USD
View
A
Retailer 4
-
HK$3,925 HKD
ZAR 8,082 ZAR
View
A
Retailer 5
-
HK$4,111 HKD
$524 USD
View
A
Retailer 6
-
HK$4,280 HKD
£430 GBP
View
A
Retailer 7
-
HK$4,424 HKD
€537 EUR
View
A
Retailer 8
-
HK$4,551 HKD
$580 USD
View
A
Retailer 9
-
HK$5,574 HKD
A$1,093 AUD
View
A
Retailer 10
-
HK$5,994 HKD
$764 USD
View
B+
Retailer 11
-
HK$7,222 HKD
SGD 1,244 SGD
View
B+
Retailer 12
-
HK$7,754 HKD
$988 USD
View
B+
Retailer 13
-
HK$9,157 HKD
£919 GBP
View
Retailer 14
-
HK$10,749 HKD
$1,370 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
HK$11,062 HKD
$1,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJKM · Oct 31
HK$13,094 HKD
$1,669 USD
View
15 more retailers have this diamond
Prices start from HK$2,283 HKDSave up to HK$10,811 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 Cushion
HK$2,283 HKD