CaratHunter
Plans
Cushion|Lab Grown|IGI

1.70ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG12380810

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12380810

Diamond specifications and retailer prices

From HK$1,961 HKD
$250 USD
As of October 31, 2026
Save HK$14,671 HKD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$16,633 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12380810 or 12380810. Listed at 6 retailers as of October 31, 2026, with prices from HK$1,961 to HK$16,633, a HK$14,671 spread on the same certified stone. Do Amore Diamonds lists it at HK$16,633. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12380810
Dimensions6.84 × 6.49 × 4.49 mm
L/W Ratio1.05
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.84 mm6.49 mm1.70 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12380810
Side View
Table 57.0%Crown 33.5°Girdle: STK-UNDPavilion 35.7°Culet: NoneDepth 69.2%

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 31
Current: HK$16,633 HKD|Low: HK$1,224 HKD|High: HK$16,790 HKD|Avg: HK$7,314 HKD|+7.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4HK$1,961 HKD
Retailer 3HK$3,672 HKD
Retailer 8HK$4,056 HKD
Retailer 7HK$4,605 HKD
Retailer 6HK$5,186 HKD
Retailer 10HK$6,018 HKD
Retailer 2HK$9,546 HKD
Retailer 9HK$9,886 HKD
Retailer 5HK$11,847 HKD
Do Amore DiamondsHK$16,633 HKD

13 data points across 10 retailers

6 retailersHK$1,961 HKD to HK$16,633 HKD

A
Cheapest Retailer
-
HK$1,961 HKD
$250 USD
Final sale: no returns
B+
Retailer 2
-
HK$3,672 HKD
$468 USD
View
B
Retailer 3
-
HK$9,546 HKD
£958 GBP
View
B
Retailer 4
-
HK$9,886 HKD
$1,260 USD
View
B
Retailer 5
-
HK$11,847 HKD
$1,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-9906E570A · Oct 31
HK$16,633 HKD
$2,120 USD
View
5 more retailers have this diamond
Prices start from HK$1,961 HKDSave up to HK$14,671 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 Cushion
HK$1,961 HKD