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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG691592978

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG691592978

Diamond specifications and retailer prices

From HK$2,589 HKD
$330 USD
As of October 30, 2026
Save HK$13,416 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$16,005 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691592978 or 691592978. Listed at 19 retailers as of October 29, 2026, with prices from HK$2,589 to HK$16,005, a HK$13,416 spread on the same certified stone. Brilliant Earth lists it at HK$16,005. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691592978
Dimensions8.07 × 6.48 × 4.55 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
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
8.07 mm6.48 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691592978
Side View
Table 62.0%Crown 37.3°Girdle: MED-THKPavilion 41°Culet: NoneDepth 70.2%

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$16,005 HKD|Low: HK$2,589 HKD|High: HK$16,868 HKD|Avg: HK$7,079 HKD|-5.1%
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
October 31, 2026
Retailer 6HK$2,589 HKD
Retailer 4HK$2,879 HKD
Retailer 2HK$4,696 HKD
Retailer 3HK$4,723 HKD
Retailer 10HK$4,747 HKD
Retailer 9HK$4,951 HKD
Retailer 7HK$5,108 HKD
Retailer 5HK$5,618 HKD
Retailer 8HK$6,701 HKD
Retailer 14HK$10,121 HKD
Retailer 13HK$10,322 HKD
Retailer 11HK$11,572 HKD
Retailer 12HK$11,608 HKD
Brilliant EarthHK$16,005 HKD

44 data points across 14 retailers

19 retailersHK$2,589 HKD to HK$16,005 HKD

A
Cheapest Retailer
-
HK$2,589 HKD
$330 USD
Final sale: no returns
A
Retailer 2
-
HK$2,879 HKD
$367 USD
View
A
Retailer 3
-
HK$4,696 HKD
€570 EUR
View
A
Retailer 4
-
HK$4,723 HKD
$602 USD
View
A
Retailer 5
-
HK$4,747 HKD
$605 USD
View
A
Retailer 6
-
HK$4,951 HKD
ZAR 10,195 ZAR
View
A
Retailer 7
-
HK$5,108 HKD
£513 GBP
View
A
Retailer 8
-
HK$5,618 HKD
$716 USD
View
B+
Retailer 9
-
HK$6,065 HKD
$773 USD
View
B+
Retailer 10
-
HK$6,701 HKD
A$1,314 AUD
View
B
Retailer 11
-
HK$9,640 HKD
$1,229 USD
View
B
Retailer 12
-
HK$10,121 HKD
$1,290 USD
View
Retailer 13
-
HK$10,322 HKD
A$2,024 AUD
View
Price last confirmed 23 days ago
B
Retailer 14
-
HK$11,086 HKD
$1,413 USD
View
B
Retailer 15
-
HK$11,239 HKD
£1,128 GBP
View
Retailer 16
-
HK$11,572 HKD
$1,475 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
HK$11,608 HKD
£1,165 GBP
View
B
Retailer 18
-
HK$12,585 HKD
$1,604 USD
View
Most Expensive
B
Brilliant Earth
13554911A · Oct 29
HK$16,005 HKD
$2,040 USD
View
18 more retailers have this diamond
Prices start from HK$2,589 HKDSave up to HK$13,416 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
1.87ct Cushion
HK$2,589 HKD