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Heart|Lab Grown|IGI

1.88ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818667589

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818667589

Diamond specifications and retailer prices

From $1,284 AUD
$902 USD
As of October 31, 2026
Save $6,252 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,537 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.88ct lab-grown heart diamond

This 1.88ct lab-grown heart 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 LG818667589 or 818667589. Listed at 18 retailers as of October 31, 2026, with prices from $1,284 to $7,537, a $6,252 spread on the same certified stone. With Clarity lists it at $7,537. 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 angle37.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667589
Dimensions7.67 × 8.51 × 4.92 mm
L/W Ratio1.11
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
7.67 mm8.51 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667589
Side View
Table 61.0%Crown 37.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 57.8%

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 31
Current: $2,498 AUD|Low: $1,284 AUD|High: $8,584 AUD|Avg: $3,606 AUD|-18.5%
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
With Clarity
October 31, 2026
Retailer 7$1,284 AUD
Retailer 12$1,602 AUD
Retailer 6$1,687 AUD
Retailer 10$2,041 AUD
Retailer 3$2,144 AUD
Retailer 14$2,379 AUD
Retailer 11$2,445 AUD
Retailer 1$2,498 AUD
Retailer 4$2,884 AUD
Retailer 8$4,373 AUD
Retailer 2$4,602 AUD
Retailer 13$4,994 AUD
Retailer 5$5,265 AUD
Retailer 9$6,349 AUD
With Clarity$7,537 AUD

35 data points across 15 retailers

18 retailers$1,284 AUD to $7,537 AUD

A
Cheapest Retailer
-
$1,284 AUD
$902 USD
Final sale: no returns
Retailer 2
-
$1,395 AUD
$980 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$1,582 AUD
$1,111 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,602 AUD
$1,125 USD
View
Retailer 5
-
$1,663 AUD
$1,168 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$2,041 AUD
£1,129 GBP
View
B+
Retailer 7
-
$2,144 AUD
$1,506 USD
View
B+
Retailer 8
-
$2,379 AUD
$1,671 USD
View
B+
Retailer 9
-
$2,445 AUD
ZAR 27,747 ZAR
View
B+
Retailer 10
-
$2,498 AUD
€1,671 EUR
View
B+
Retailer 11
-
$2,884 AUD
$2,026 USD
View
Retailer 12
-
$3,160 AUD
$2,220 USD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$4,373 AUD
$3,072 USD
View
B
Retailer 14
-
$4,602 AUD
$3,233 USD
View
B+
Retailer 15
-
$4,994 AUD
£2,762 GBP
View
B
Retailer 16
-
$5,265 AUD
SGD 4,998 SGD
View
B
Retailer 17
-
$6,349 AUD
$4,460 USD
View
Most Expensive
B
With Clarity
818667589 · Oct 31
$7,537 AUD
$5,294 USD
View
17 more retailers have this diamond
Prices start from $1,284 AUDSave up to $6,252 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 Heart
$1,284 AUD