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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818659742

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

Certificate IGI LG818659742

Diamond specifications and retailer prices

From HK$4,653 HKD
$593 USD
As of October 30, 2026
Save HK$27,162 HKD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$31,814 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659742 or 818659742. Listed at 22 retailers as of October 28, 2026, with prices from HK$4,653 to HK$31,814, a HK$27,162 spread on the same certified stone. Rare Carat lists it at HK$31,814. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659742
Dimensions8.20 × 6.12 × 3.97 mm
L/W Ratio1.34
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
8.20 mm6.12 mm1.70 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659742
Side View
Table 66.0%Crown 42.8°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 64.9%

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 30
Current: HK$31,814 HKD|Low: HK$4,653 HKD|High: HK$42,681 HKD|Avg: HK$15,949 HKD|-1.1%
Rare Carat
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 14HK$4,653 HKD
Retailer 21HK$5,210 HKD
Retailer 19HK$5,398 HKD
Retailer 12HK$5,767 HKD
Retailer 15HK$6,114 HKD
Retailer 20HK$6,787 HKD
Retailer 5HK$8,850 HKD
Retailer 16HK$9,014 HKD
Retailer 4HK$9,408 HKD
Retailer 18HK$9,907 HKD
Retailer 7HK$10,576 HKD
Retailer 6HK$13,008 HKD
Retailer 10HK$15,158 HKD
Retailer 8HK$16,740 HKD
Retailer 9HK$18,652 HKD
Retailer 2HK$18,900 HKD
Retailer 11HK$19,618 HKD
Retailer 17HK$25,159 HKD
Retailer 3HK$27,499 HKD
Retailer 13HK$31,147 HKD
Rare CaratHK$31,814 HKD

26 data points across 21 retailers

22 retailersHK$4,653 HKD to HK$31,814 HKD

A
Cheapest Retailer
-
HK$4,653 HKD
$593 USD
A
Retailer 2
-
HK$5,210 HKD
$664 USD
View
A
Retailer 3
-
HK$5,398 HKD
$688 USD
View
Final sale: no returns
Retailer 4
-
HK$5,751 HKD
$733 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$5,767 HKD
$735 USD
View
A
Retailer 6
-
HK$6,114 HKD
£614 GBP
View
A
Retailer 7
-
HK$6,787 HKD
$865 USD
View
A
Retailer 8
-
HK$8,850 HKD
$1,128 USD
View
A
Retailer 9
-
HK$9,014 HKD
£905 GBP
View
Retailer 10
-
HK$9,408 HKD
€1,142 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$9,907 HKD
ZAR 20,400 ZAR
View
B+
Retailer 12
-
HK$10,576 HKD
$1,348 USD
View
B+
Retailer 13
-
HK$13,008 HKD
$1,658 USD
View
B+
Retailer 14
-
HK$15,158 HKD
$1,932 USD
View
B+
Retailer 15
-
HK$16,740 HKD
£1,680 GBP
View
B+
Retailer 16
-
HK$18,652 HKD
$2,377 USD
View
B+
Retailer 17
-
HK$18,900 HKD
$2,409 USD
View
B+
Retailer 18
-
HK$19,618 HKD
SGD 3,379 SGD
View
B
Retailer 19
-
HK$25,159 HKD
£2,525 GBP
View
B
Retailer 20
-
HK$27,499 HKD
$3,505 USD
View
B
Retailer 21
-
HK$31,147 HKD
$3,970 USD
View
Most Expensive
B
Rare Carat
VL-144984 · Oct 28
HK$31,814 HKD
$4,055 USD
View
21 more retailers have this diamond
Prices start from HK$4,653 HKDSave up to HK$27,162 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$4,653 HKD