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Princess|Lab Grown|IGI

1.70ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG789629098

Shape and cutting style on the report: Princess cut

Certificate IGI LG789629098

Diamond specifications and retailer prices

From HK$2,534 HKD
$323 USD
As of October 30, 2026
Save HK$10,411 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$12,945 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.7ct lab-grown princess diamond

This 1.7ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789629098 or 789629098. Listed at 17 retailers as of October 30, 2026, with prices from HK$2,534 to HK$12,945, a HK$10,411 spread on the same certified stone. Brilliant Earth lists it at HK$12,945. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789629098
Dimensions6.55 × 6.48 × 4.62 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.48 mm1.70 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789629098
Side View
Table 71.0%Crown 44.4°Girdle: MediumPavilion 38.5°Culet: NoneDepth 71.3%

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$12,945 HKD|Low: HK$2,432 HKD|High: HK$21,026 HKD|Avg: HK$6,659 HKD|-28.9%
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
October 31, 2026
Retailer 14HK$2,534 HKD
Retailer 16HK$2,832 HKD
Retailer 7HK$2,942 HKD
Retailer 5HK$3,146 HKD
Retailer 17HK$3,146 HKD
Retailer 10HK$3,510 HKD
Retailer 11HK$4,354 HKD
Retailer 6HK$5,060 HKD
Retailer 3HK$5,108 HKD
Retailer 8HK$5,225 HKD
Retailer 2HK$5,570 HKD
Retailer 13HK$9,219 HKD
Retailer 4HK$10,105 HKD
Retailer 9HK$10,459 HKD
Retailer 15HK$12,449 HKD
Retailer 12HK$12,664 HKD
Brilliant EarthHK$12,945 HKD

44 data points across 17 retailers

17 retailersHK$2,534 HKD to HK$12,945 HKD

A
Cheapest Retailer
-
HK$2,534 HKD
$323 USD
A
Retailer 2
-
HK$2,832 HKD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,942 HKD
$375 USD
View
A
Retailer 4
-
HK$3,146 HKD
$401 USD
View
A
Retailer 5
-
HK$3,146 HKD
$401 USD
View
A
Retailer 6
-
HK$3,510 HKD
£352 GBP
View
A
Retailer 7
-
HK$4,354 HKD
$555 USD
View
B+
Retailer 8
-
HK$5,060 HKD
$645 USD
View
B+
Retailer 9
-
HK$5,108 HKD
$651 USD
View
B+
Retailer 10
-
HK$5,225 HKD
$666 USD
View
B+
Retailer 11
-
HK$5,570 HKD
£559 GBP
View
B
Retailer 12
-
HK$9,219 HKD
$1,175 USD
View
B
Retailer 13
-
HK$10,105 HKD
$1,288 USD
View
B
Retailer 14
-
HK$10,459 HKD
$1,333 USD
View
B
Retailer 15
-
HK$12,449 HKD
$1,587 USD
View
B
Retailer 16
-
HK$12,664 HKD
£1,271 GBP
View
Most Expensive
B
Brilliant Earth
18790708A · Oct 30
HK$12,945 HKD
$1,650 USD
View
16 more retailers have this diamond
Prices start from HK$2,534 HKDSave up to HK$10,411 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 Princess
HK$2,534 HKD