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Cushion|Lab Grown|IGI

1.88ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836612065

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836612065

Diamond specifications and retailer prices

From $1,046 AUD
$735 USD
As of October 30, 2026
Save $5,317 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,363 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct 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 LG836612065 or 836612065. Listed at 17 retailers as of October 30, 2026, with prices from $1,046 to $6,363, a $5,317 spread on the same certified stone. Brilliant Earth lists it at $6,363. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612065
Dimensions9.04 × 6.16 × 4.15 mm
L/W Ratio1.47
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
9.04 mm6.16 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612065
Side View
Table 59.0%Crown 33.7°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 67.4%

Caratlytics Score

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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: $6,363 AUD|Low: $1,046 AUD|High: $8,584 AUD|Avg: $3,170 AUD|-25.9%
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 4$1,046 AUD
Retailer 9$1,150 AUD
Retailer 11$1,214 AUD
Retailer 14$1,324 AUD
Retailer 10$1,711 AUD
Retailer 15$1,748 AUD
Retailer 2$1,822 AUD
Retailer 13$1,967 AUD
Retailer 16$2,303 AUD
Retailer 6$2,484 AUD
Retailer 3$3,319 AUD
Retailer 5$3,511 AUD
Retailer 17$3,693 AUD
Retailer 12$4,533 AUD
Retailer 8$5,134 AUD
Retailer 7$5,203 AUD
Brilliant Earth$6,363 AUD

28 data points across 17 retailers

17 retailers$1,046 AUD to $6,363 AUD

A
Cheapest Retailer
-
$1,046 AUD
$735 USD
Final sale: no returns
Retailer 2
-
$1,150 AUD
$808 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,214 AUD
£671 GBP
View
A
Retailer 4
-
$1,324 AUD
$930 USD
View
A
Retailer 5
-
$1,711 AUD
£946 GBP
View
A
Retailer 6
-
$1,748 AUD
$1,228 USD
View
A
Retailer 7
-
$1,822 AUD
€1,219 EUR
View
A
Retailer 8
-
$1,967 AUD
ZAR 22,316 ZAR
View
A
Retailer 9
-
$2,303 AUD
$1,618 USD
View
A
Retailer 10
-
$2,484 AUD
$1,745 USD
View
B+
Retailer 11
-
$3,319 AUD
£1,836 GBP
View
B+
Retailer 12
-
$3,511 AUD
$2,466 USD
View
B+
Retailer 13
-
$3,693 AUD
$2,594 USD
View
B+
Retailer 14
-
$4,533 AUD
£2,507 GBP
View
B
Retailer 15
-
$5,134 AUD
$3,606 USD
View
Retailer 16
-
$5,203 AUD
$3,655 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21612320A · Oct 31
$6,363 AUD
$4,470 USD
View
16 more retailers have this diamond
Prices start from $1,046 AUDSave up to $5,317 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
1.88ct Cushion
$1,046 AUD