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Round|Lab Grown|IGI

1.70ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG737547741

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737547741

Diamond specifications and retailer prices

From HK$1,632 HKD
$208 USD
As of November 1, 2026
Save HK$8,803 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,435 HKD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG737547741 or 737547741. Listed at 17 retailers as of November 1, 2026, with prices from HK$1,632 to HK$10,435, a HK$8,803 spread on the same certified stone. Brilliant Earth lists it at HK$10,435. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737547741
Dimensions7.70 × 7.72 × 4.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm7.72 mm1.70 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737547741
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.0%

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: Nov 1
Current: HK$10,435 HKD|Low: HK$1,585 HKD|High: HK$13,260 HKD|Avg: HK$4,465 HKD|-21.3%
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
Retailer 16
Retailer 17
November 2, 2026
Retailer 7HK$1,632 HKD
Retailer 4HK$1,820 HKD
Retailer 13HK$1,891 HKD
Retailer 3HK$2,016 HKD
Retailer 12HK$2,016 HKD
Retailer 9HK$2,310 HKD
Retailer 6HK$2,730 HKD
Retailer 10HK$3,713 HKD
Retailer 15HK$4,080 HKD
Retailer 16HK$4,088 HKD
Retailer 2HK$4,267 HKD
Retailer 17HK$6,489 HKD
Retailer 8HK$6,512 HKD
Retailer 14HK$6,512 HKD
Retailer 5HK$6,909 HKD
Retailer 11HK$8,091 HKD
Brilliant EarthHK$10,435 HKD

46 data points across 17 retailers

17 retailersHK$1,632 HKD to HK$10,435 HKD

A
Cheapest Retailer
-
HK$1,632 HKD
$208 USD
A
Retailer 2
-
HK$1,820 HKD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,891 HKD
$241 USD
View
Retailer 4
-
HK$2,016 HKD
$257 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,016 HKD
$257 USD
View
A
Retailer 6
-
HK$2,310 HKD
View
B+
Retailer 7
-
HK$2,730 HKD
$348 USD
View
A
Retailer 8
-
HK$3,713 HKD
£373 GBP
View
A
Retailer 9
-
HK$4,080 HKD
$520 USD
View
A
Retailer 10
-
HK$4,088 HKD
$521 USD
View
A
Retailer 11
-
HK$4,267 HKD
€518 EUR
View
B
Retailer 12
-
HK$6,489 HKD
$827 USD
View
Retailer 13
-
HK$6,512 HKD
$830 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
HK$6,512 HKD
$830 USD
View
B+
Retailer 15
-
HK$6,909 HKD
$881 USD
View
B
Retailer 16
-
HK$8,091 HKD
£812 GBP
View
Most Expensive
B
Brilliant Earth
16145445A · Nov 1
HK$10,435 HKD
$1,330 USD
View
16 more retailers have this diamond
Prices start from HK$1,632 HKDSave up to HK$8,803 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 Round
HK$1,632 HKD