CaratHunter
Plans
Cushion|Lab Grown|IGI

1.87ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG839684885

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839684885

Diamond specifications and retailer prices

From $2,055 AUD
£1,137 GBP
As of October 30, 2026
Save $7,259 AUD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,315 AUD at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839684885 or 839684885. Listed at 22 retailers as of October 30, 2026, with prices from $2,055 to $9,315, a $7,259 spread on the same certified stone. Riddles Jewelry lists it at $9,315. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684885
Dimensions8.89 × 6.58 × 4.18 mm
L/W Ratio1.35
Girdle conditionFaceted
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
8.89 mm6.58 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684885
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 63.5%

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 30
Current: $2,755 AUD|Low: $1,812 AUD|High: $9,315 AUD|Avg: $4,389 AUD|+0.4%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
Riddles Jewelry
October 31, 2026
Retailer 19$1,812 AUD
Retailer 14$2,055 AUD
Retailer 17$2,057 AUD
Retailer 5$2,059 AUD
Retailer 9$2,222 AUD
Retailer 3$2,498 AUD
Retailer 18$2,523 AUD
Retailer 12$2,605 AUD
Retailer 1$2,755 AUD
Retailer 11$3,101 AUD
Retailer 15$3,332 AUD
Retailer 8$4,439 AUD
Retailer 20$4,835 AUD
Retailer 4$5,012 AUD
Retailer 7$5,495 AUD
Retailer 2$5,777 AUD
Retailer 16$6,156 AUD
Retailer 6$6,337 AUD
Retailer 10$7,598 AUD
Retailer 13$8,741 AUD
Riddles Jewelry$9,315 AUD

29 data points across 21 retailers

22 retailers$2,055 AUD to $9,315 AUD

Retailer 1
-
$1,812 AUD
$1,273 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$2,055 AUD
£1,137 GBP
View
A
Retailer 3
-
$2,057 AUD
$1,445 USD
View
A
Retailer 4
-
$2,059 AUD
$1,446 USD
View
Final sale: no returns
A
Retailer 5
-
$2,222 AUD
$1,561 USD
View
A
Retailer 6
-
$2,498 AUD
$1,755 USD
View
B+
Retailer 7
-
$2,523 AUD
$1,772 USD
View
A
Retailer 8
-
$2,605 AUD
£1,441 GBP
View
B+
Retailer 9
-
$2,755 AUD
€1,843 EUR
View
B+
Retailer 10
-
$3,101 AUD
$2,178 USD
View
B+
Retailer 11
-
$3,332 AUD
ZAR 37,815 ZAR
View
B+
Retailer 12
-
$4,439 AUD
$3,118 USD
View
B+
Retailer 13
-
$4,835 AUD
$3,396 USD
View
B
Retailer 14
-
$5,012 AUD
£2,772 GBP
View
B
Retailer 15
-
$5,495 AUD
CA$5,361 CAD
View
B
Retailer 16
-
$5,777 AUD
$4,058 USD
View
B+
Retailer 17
-
$6,156 AUD
£3,405 GBP
View
B
Retailer 18
-
$6,337 AUD
$4,451 USD
View
B
Retailer 19
-
$7,598 AUD
$5,337 USD
View
B
Retailer 20
-
$8,584 AUD
$6,030 USD
View
B
Retailer 21
-
$8,741 AUD
$6,140 USD
View
Most Expensive
B
Riddles Jewelry
1987846133 · Oct 31
$9,315 AUD
$6,543 USD
View
21 more retailers have this diamond
Prices start from $2,055 AUDSave up to $7,259 AUD

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
$2,055 AUD