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Heart|Lab Grown|IGI

3.80ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG831604185

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831604185

Diamond specifications and retailer prices

From $5,841 AUD
$4,103 USD
As of October 30, 2026
Save $18,236 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $24,077 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.8ct lab-grown heart diamond

This 3.8ct 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 LG831604185 or 831604185. Listed at 19 retailers as of October 30, 2026, with prices from $5,841 to $24,077, a $18,236 spread on the same certified stone. Taylor and Hart lists it at $24,077. 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

3.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604185
Dimensions9.64 × 10.82 × 6.42 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
9.64 mm10.82 mm3.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604185
Side View
Table 58.0%Crown 35.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 59.3%

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: $8,374 AUD|Low: $5,841 AUD|High: $25,394 AUD|Avg: $12,491 AUD|-5.6%
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
Taylor and Hart
October 31, 2026
Retailer 16$5,841 AUD
Retailer 9$6,121 AUD
Retailer 5$6,408 AUD
Retailer 8$6,541 AUD
Retailer 2$6,775 AUD
Retailer 3$6,848 AUD
Retailer 7$7,396 AUD
Retailer 15$7,599 AUD
Retailer 13$7,952 AUD
Retailer 17$8,086 AUD
Retailer 1$8,374 AUD
Retailer 6$8,466 AUD
Retailer 4$14,590 AUD
Retailer 18$15,731 AUD
Retailer 14$16,253 AUD
Retailer 10$19,739 AUD
Retailer 12$21,975 AUD
Retailer 11$24,065 AUD
Taylor and Hart$24,077 AUD

5 data points across 19 retailers

19 retailers$5,841 AUD to $24,077 AUD

A
Cheapest Retailer
-
$5,841 AUD
$4,103 USD
A
Retailer 2
-
$6,121 AUD
$4,300 USD
View
A
Retailer 3
-
$6,408 AUD
$4,501 USD
View
B+
Retailer 4
-
$6,541 AUD
$4,595 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,775 AUD
$4,759 USD
View
B+
Retailer 6
-
$6,848 AUD
$4,810 USD
View
B+
Retailer 7
-
$7,396 AUD
$5,195 USD
View
B+
Retailer 8
-
$7,599 AUD
HK$41,700 HKD
View
B+
Retailer 9
-
$7,952 AUD
$5,586 USD
View
B+
Retailer 10
-
$8,086 AUD
£4,473 GBP
View
B+
Retailer 11
-
$8,374 AUD
£4,632 GBP
View
B+
Retailer 12
-
$8,466 AUD
$5,947 USD
View
B
Retailer 13
-
$14,590 AUD
£8,070 GBP
View
B
Retailer 14
-
$15,731 AUD
ZAR 178,516 ZAR
View
B
Retailer 15
-
$16,253 AUD
$11,417 USD
View
B
Retailer 16
-
$19,739 AUD
$13,866 USD
View
B
Retailer 17
-
$21,975 AUD
SGD 20,860 SGD
View
B
Retailer 18
-
$24,065 AUD
$16,904 USD
View
Most Expensive
B
Taylor and Hart
IR7L51J · Oct 30
$24,077 AUD
$16,913 USD
View
18 more retailers have this diamond
Prices start from $5,841 AUDSave up to $18,236 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
3.80ct Heart
$5,841 AUD