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Heart|Lab Grown|IGI

1.88ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG799636873

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799636873

Diamond specifications and retailer prices

From $2,766 AUD
$1,943 USD
As of October 31, 2026
Save $3,526 AUD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,292 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG799636873 or 799636873. Listed at 8 retailers as of October 30, 2026, with prices from $2,766 to $6,292, a $3,526 spread on the same certified stone. Brilliant Earth lists it at $6,292. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799636873
Dimensions7.58 × 8.48 × 4.92 mm
L/W Ratio1.12
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
7.58 mm8.48 mm1.88 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799636873
Side View
Table 57.0%Crown 37.8°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 58.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,292 AUD|Low: $1,534 AUD|High: $12,670 AUD|Avg: $5,557 AUD|-28.2%
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
October 30, 2026
Retailer 6$1,536 AUD
Retailer 7$1,970 AUD
Retailer 2$2,766 AUD
Retailer 10$3,281 AUD
Retailer 3$4,277 AUD
Retailer 4$4,373 AUD
Retailer 12$4,425 AUD
Retailer 8$5,089 AUD
Retailer 11$5,158 AUD
Brilliant Earth$6,292 AUD
Retailer 13$8,331 AUD
Retailer 9$9,310 AUD
Retailer 5$10,034 AUD

15 data points across 13 retailers

8 retailers$2,766 AUD to $6,292 AUD

Retailer 1
-
$1,048 AUD
$736 USD
Price last confirmed 20 days ago
Retailer 2
-
$1,536 AUD
£850 GBP
View
Price last confirmed 18 days ago
Retailer 3
-
$1,552 AUD
$1,090 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$1,970 AUD
$1,384 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$2,766 AUD
$1,943 USD
View
Retailer 6
-
$3,773 AUD
$2,650 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$5,089 AUD
£2,815 GBP
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21412023Y · Oct 30
$6,292 AUD
$4,420 USD
View
7 more retailers have this diamond
Prices start from $2,766 AUDSave up to $3,526 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.

B+
1.88ct Heart
$2,766 AUD