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Round|Lab Grown|IGI

1.70ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG407945444

Shape and cutting style on the report: Round brilliant

Certificate IGI LG407945444

Diamond specifications and retailer prices

From HK$7,689 HKD
$980 USD
As of October 30, 2026
Save HK$31,251 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$38,939 HKD at MOH London · As of October 29, 2026
View at MOH London

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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407945444 or 407945444. Listed at 11 retailers as of October 29, 2026, with prices from HK$7,689 to HK$38,939, a HK$31,251 spread on the same certified stone. MOH London lists it at HK$38,939. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407945444
Dimensions7.67 × 7.63 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.67 mm7.63 mm1.70 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG407945444
Side View
Table 54.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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$38,939 HKD|Low: HK$7,689 HKD|High: HK$39,258 HKD|Avg: HK$18,061 HKD|-0.5%
MOH London
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
October 30, 2026
Retailer 2HK$7,689 HKD
Retailer 5HK$8,756 HKD
Retailer 9HK$11,690 HKD
Retailer 12HK$12,718 HKD
Retailer 14HK$13,094 HKD
Retailer 10HK$13,565 HKD
Retailer 15HK$13,565 HKD
Retailer 6HK$14,924 HKD
Retailer 8HK$16,592 HKD
Retailer 4HK$18,430 HKD
Retailer 11HK$21,372 HKD
Retailer 3HK$24,612 HKD
Retailer 13HK$25,420 HKD
Retailer 7HK$30,359 HKD
MOH LondonHK$38,939 HKD

21 data points across 15 retailers

11 retailersHK$7,689 HKD to HK$38,939 HKD

A
Cheapest Retailer
-
HK$7,689 HKD
$980 USD
B+
Retailer 2
-
HK$11,690 HKD
$1,490 USD
View
B+
Retailer 3
-
HK$12,718 HKD
$1,621 USD
View
B+
Retailer 4
-
HK$13,094 HKD
$1,669 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$13,565 HKD
$1,729 USD
View
Retailer 6
-
HK$13,565 HKD
$1,729 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
HK$16,592 HKD
£1,665 GBP
View
B
Retailer 8
-
HK$21,372 HKD
$2,724 USD
View
B
Retailer 9
-
HK$24,612 HKD
$3,137 USD
View
B
Retailer 10
-
HK$25,420 HKD
$3,240 USD
View
Most Expensive
B
MOH London
LG407945444 · Oct 29
HK$38,939 HKD
£3,908 GBP
View
10 more retailers have this diamond
Prices start from HK$7,689 HKDSave up to HK$31,251 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$7,689 HKD