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Heart|Lab Grown|IGI

3.88ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831604055

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604055

Diamond specifications and retailer prices

From $5,958 AUD
$4,185 USD
As of October 30, 2026
Save $18,627 AUD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $24,585 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.88ct lab-grown heart diamond

This 3.88ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604055 or 831604055. Listed at 20 retailers as of October 30, 2026, with prices from $5,958 to $24,585, a $18,627 spread on the same certified stone. Taylor and Hart lists it at $24,585. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604055
Dimensions9.92 × 11.12 × 6.25 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
9.92 mm11.12 mm3.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604055
Side View
Table 59.0%Crown 32.8°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 56.2%

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: $6,339 AUD|Low: $5,720 AUD|High: $26,479 AUD|Avg: $11,205 AUD|-5.0%
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
October 31, 2026
Retailer 5$5,958 AUD
Retailer 1$6,339 AUD
Retailer 6$6,912 AUD
Retailer 7$6,912 AUD
Retailer 9$6,983 AUD
Retailer 10$7,668 AUD
Retailer 15$7,744 AUD
Retailer 4$7,961 AUD
Retailer 18$8,248 AUD
Retailer 12$8,550 AUD
Retailer 11$8,636 AUD
Retailer 3$10,221 AUD
Retailer 16$12,343 AUD
Retailer 2$14,386 AUD
Retailer 19$16,045 AUD
Retailer 17$18,535 AUD
Retailer 8$20,135 AUD
Retailer 14$22,430 AUD
Retailer 13$24,571 AUD

32 data points across 19 retailers

20 retailers$5,958 AUD to $24,585 AUD

A
Cheapest Retailer
-
$5,958 AUD
$4,185 USD
A
Retailer 2
-
$6,339 AUD
$4,453 USD
View
Final sale: no returns
B+
Retailer 3
-
$6,912 AUD
$4,855 USD
View
Retailer 4
-
$6,912 AUD
$4,855 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$6,983 AUD
$4,905 USD
View
B+
Retailer 6
-
$7,668 AUD
$5,386 USD
View
B+
Retailer 7
-
$7,744 AUD
HK$42,500 HKD
View
B+
Retailer 8
-
$7,961 AUD
$5,592 USD
View
B+
Retailer 9
-
$8,248 AUD
£4,562 GBP
View
B+
Retailer 10
-
$8,550 AUD
£4,729 GBP
View
B+
Retailer 11
-
$8,636 AUD
$6,066 USD
View
B+
Retailer 12
-
$10,221 AUD
$7,180 USD
View
B+
Retailer 13
-
$12,343 AUD
$8,670 USD
View
B+
Retailer 14
-
$14,386 AUD
£7,957 GBP
View
B+
Retailer 15
-
$16,045 AUD
ZAR 182,082 ZAR
View
B
Retailer 16
-
$18,535 AUD
$13,020 USD
View
B
Retailer 17
-
$20,135 AUD
$14,144 USD
View
B
Retailer 18
-
$22,430 AUD
SGD 21,292 SGD
View
B
Retailer 19
-
$24,571 AUD
$17,260 USD
View
Most Expensive
B
Taylor and Hart
53Y180P · Oct 30
$24,585 AUD
$17,270 USD
View
19 more retailers have this diamond
Prices start from $5,958 AUDSave up to $18,627 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
3.88ct Heart
$5,958 AUD