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Radiant|Lab Grown|IGI

1.37ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG722578619

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

Certificate IGI LG722578619

Diamond specifications and retailer prices

From HK$2,079 HKD
$265 USD
As of October 30, 2026
Save HK$16,672 HKD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$18,751 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.37ct lab-grown radiant diamond

This 1.37ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722578619 or 722578619. Listed at 24 retailers as of October 29, 2026, with prices from HK$2,079 to HK$18,751, a HK$16,672 spread on the same certified stone. Brilliant Earth lists it at HK$18,751. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722578619
Dimensions5.50 × 5.50 × 3.65 mm
L/W Ratio1.00
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
5.50 mm5.50 mm1.37 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722578619
Side View
Table 66.0%Crown 39.8°Girdle: MediumPavilion 33.6°Culet: NoneDepth 66.4%

Caratlytics Score

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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$18,751 HKD|Low: HK$2,001 HKD|High: HK$18,987 HKD|Avg: HK$6,641 HKD|+9.1%
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
October 31, 2026
Retailer 4HK$2,079 HKD
Retailer 5HK$2,581 HKD
Retailer 8HK$2,739 HKD
Retailer 3HK$3,468 HKD
Retailer 12HK$3,844 HKD
Retailer 11HK$4,437 HKD
Retailer 2HK$4,613 HKD
Retailer 7HK$4,947 HKD
Retailer 10HK$6,283 HKD
Retailer 14HK$6,339 HKD
Retailer 6HK$8,301 HKD
Retailer 9HK$10,402 HKD
Retailer 13HK$14,397 HKD
Brilliant EarthHK$18,751 HKD

34 data points across 14 retailers

24 retailersHK$2,079 HKD to HK$18,751 HKD

A
Cheapest Retailer
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HK$2,079 HKD
$265 USD
A
Retailer 2
-
HK$2,330 HKD
$297 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,416 HKD
$308 USD
View
A
Retailer 4
-
HK$2,581 HKD
$329 USD
View
A
Retailer 5
-
HK$2,581 HKD
$329 USD
View
A
Retailer 6
-
HK$2,739 HKD
£275 GBP
View
A
Retailer 7
-
HK$3,468 HKD
$442 USD
View
A
Retailer 8
-
HK$3,844 HKD
$490 USD
View
A
Retailer 9
-
HK$4,437 HKD
ZAR 9,136 ZAR
View
A
Retailer 10
-
HK$4,598 HKD
$586 USD
View
A
Retailer 11
-
HK$4,613 HKD
€560 EUR
View
A
Retailer 12
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HK$4,947 HKD
£496 GBP
View
Retailer 13
-
HK$6,273 HKD
A$1,230 AUD
View
Price last confirmed 34 days ago
A
Retailer 14
-
HK$6,283 HKD
A$1,232 AUD
View
B+
Retailer 15
-
HK$6,339 HKD
$808 USD
View
B+
Retailer 16
-
HK$7,720 HKD
$984 USD
View
B+
Retailer 17
-
HK$8,301 HKD
$1,058 USD
View
B+
Retailer 18
-
HK$8,702 HKD
$1,109 USD
View
B+
Retailer 19
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HK$10,402 HKD
£1,044 GBP
View
B
Retailer 20
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HK$11,003 HKD
$1,402 USD
View
Retailer 21
-
HK$14,397 HKD
$1,835 USD
View
Price last confirmed 12 days ago
Retailer 22
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HK$15,358 HKD
$1,958 USD
View
Price last confirmed 83 days ago
Retailer 23
-
HK$17,182 HKD
$2,190 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21313421A · Oct 29
HK$18,751 HKD
$2,390 USD
View
23 more retailers have this diamond
Prices start from HK$2,079 HKDSave up to HK$16,672 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
1.37ct Radiant
HK$2,079 HKD