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Radiant|Lab Grown|IGI

1.70ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG581327872

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

Certificate IGI LG581327872

Diamond specifications and retailer prices

From HK$2,526 HKD
$322 USD
As of October 30, 2026
Save HK$17,402 HKD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$19,928 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581327872 or 581327872. Listed at 18 retailers as of October 30, 2026, with prices from HK$2,526 to HK$19,928, a HK$17,402 spread on the same certified stone. Brilliant Earth lists it at HK$19,928. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327872
Dimensions8.12 × 5.99 × 4.08 mm
L/W Ratio1.36
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 Faint Blue
Top View
8.12 mm5.99 mm1.70 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327872
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 36.3°Culet: NoneDepth 68.1%

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$19,928 HKD|Low: HK$2,424 HKD|High: HK$25,342 HKD|Avg: HK$7,686 HKD|-21.4%
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
November 1, 2026
Retailer 15HK$2,526 HKD
Retailer 5HK$2,824 HKD
Retailer 3HK$3,130 HKD
Retailer 14HK$4,221 HKD
Retailer 11HK$4,354 HKD
Retailer 6HK$5,210 HKD
Retailer 12HK$5,281 HKD
Retailer 10HK$5,378 HKD
Retailer 2HK$5,590 HKD
Retailer 9HK$7,298 HKD
Retailer 13HK$7,493 HKD
Retailer 7HK$8,968 HKD
Retailer 4HK$12,035 HKD
Retailer 8HK$12,614 HKD
Brilliant EarthHK$19,928 HKD

45 data points across 15 retailers

18 retailersHK$2,526 HKD to HK$19,928 HKD

A
Cheapest Retailer
-
HK$2,526 HKD
$322 USD
A
Retailer 2
-
HK$2,824 HKD
$360 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,926 HKD
$373 USD
View
A
Retailer 4
-
HK$3,130 HKD
$399 USD
View
A
Retailer 5
-
HK$3,130 HKD
$399 USD
View
A
Retailer 6
-
HK$4,221 HKD
$538 USD
View
A
Retailer 7
-
HK$4,354 HKD
$555 USD
View
A
Retailer 8
-
HK$5,210 HKD
$664 USD
View
A
Retailer 9
-
HK$5,378 HKD
ZAR 11,074 ZAR
View
A
Retailer 10
-
HK$5,590 HKD
£561 GBP
View
A
Retailer 11
-
HK$7,298 HKD
A$1,431 AUD
View
B+
Retailer 12
-
HK$7,493 HKD
$955 USD
View
B+
Retailer 13
-
HK$8,968 HKD
$1,143 USD
View
B+
Retailer 14
-
HK$10,058 HKD
$1,282 USD
View
B+
Retailer 15
-
HK$10,415 HKD
$1,327 USD
View
B
Retailer 16
-
HK$12,035 HKD
$1,534 USD
View
B+
Retailer 17
-
HK$12,614 HKD
£1,266 GBP
View
Most Expensive
B
Brilliant Earth
21312144A · Oct 31
HK$19,928 HKD
$2,540 USD
View
17 more retailers have this diamond
Prices start from HK$2,526 HKDSave up to HK$17,402 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
1.70ct Radiant
HK$2,526 HKD